Research Article |
Corresponding author: Zai-fu Xu ( xuzaifu@scau.edu.cn ) Academic editor: Michael S. Engel
© 2016 Hua-yan Chen, Giuseppe Fabrizio Turrisi, Zai-fu Xu.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation:
Chen H-y, Turrisi GF, Xu Z-f (2016) A revision of the Chinese Aulacidae (Hymenoptera, Evanioidea). ZooKeys 587: 77-124. https://doi.org/10.3897/zookeys.587.7207
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The Chinese Aulacidae are revised, keyed and illustrated for the first time. In total twenty-five species are recorded from China, included within two genera Aulacus Jurine, 1807 and Pristaulacus Kieffer, 1900, with five and twenty species respectively. Among the treated species, six are newly described for science: Aulacus magnus sp. n., Pristaulacus calidus sp. n., P. centralis sp. n., P. fopingi sp. n., P. obscurus sp. n., and P. pseudoiosephi sp. n. Three species are newly recorded from China: P. excisus Turner, 1922, P. iosephi Turrisi & Madl, 2013, and P. rufobalteatus Cameron, 1907.
Aulacidae , Aulacus , China, keys, new species, Pristaulacus , revision, taxonomy
Aulacidae (Evanioidea) are a small cosmopolitan family, with two extant genera, containing 247 recognized species: Aulacus Jurine, 1807, with 77 species, and Pristaulacus Kieffer, 1900, with 170 species (
China is located between two zoogeographical regions, Palaearctic and Oriental, and thus includes mixed faunistic characters of both regions. However, Chinese Aulacidae are currently very poorly known (
List of the Chinese species of Aulacidae before this study, with distribution in China.
Species | Chinese distribution |
---|---|
Aulacus flavigenis Alekseev, 1986 | Heilongjiang |
Aulacus schoenitzeri Turrisi, 2005 | Shaanxi |
Aulacus sinensis He & Chen, 2007 | Zhejiang |
Aulacus striatus Jurine, 1807 | Inner Mongolia |
Pristaulacus albitarsatus Sun & Sheng, 2007 | Henan |
Pristaulacus asiaticus Turrisi & Smith, 2011 | Hubei |
Pristaulacus comptipennis Enderlein, 1912 | Taiwan, Hongkong |
Pristaulacus intermedius Uchida, 1932 | Shaanxi |
Pristaulacus karinulus Smith, 2001 | Henan, Jiangsu, Taiwan |
Pristaulacus longicornis Kieffer, 1911 | China (unknown whether Palaearctic or Oriental) |
Pristaulacus memnonius Sun & Sheng, 2007 | Henan |
Pristaulacus nobilei Turrisi & Smith, 2011 | Jiangsu, Guangdong, Hongkong, Macao |
Pristaulacus pieli Kieffer, 1924 | Jiangxi |
Pristaulacus porcatus Sun & Sheng, 2007 | Henan |
Pristaulacus rufipes Enderlein, 1912 | Taiwan |
Pristaulacus zhejiangensis He & Ma, 2002 | Zhejiang |
The extensive search for aulacid-specimens in several museums of China as well as relevant material from European museums resulted in the discovery of a total of 25 species, 6 of which are newly described, one Aulacus and five Pristaulacus. The present paper is the first attempt to revise the Chinese Aulacidae as a framework for further possible contributions.
Descriptions of the species have been made under either an Olympus SZ61 or SZ40 stereomicroscope, with lighting achieved through a 40W LED lamp or a 27W fluorescent lamp. Photographic images were produced by a digital microscope (VHX-2000c, KEYENCE, Osaka, Japan), and plates were finished with ACDSee 10.0 and Photoshop CS 8.0.1, mostly to adjust the size and background.
Morphological nomenclature follows
In text, the following abbreviations are used for some morphological structures: A = antennomere; OOL = distance between outer margin of posterior ocellus and eye; POL = distance between inner margins of posterior ocelli; T = Tergite; S = Sternite.
Type material and other specimens have been examined from the following institutions:
BMNH
The
SCAU
Hymenopteran Collection,
SDEI
SEMC
Shanghai Entomological
SFPS General Station of Forest Pest Management, State Forestry Administration, Shenyang, China (Prof. Mao-Ling Sheng)
TCUC
Turrisi G.F. Collection,
ZMHB
1 | Occipital carina absent (Fig. |
Aulacus Jurine |
– | Occipital carina present (Figs |
Pristaulacus Kieffer |
Aulacus Jurine, 1807: 89. Type species: Aulacus striatus Jurine, by monotypy.
Aulacus Jurine:
The genus Aulacus has been demonstrated to be paraphyletic (
1 | Metasoma entirely black | 2 |
– | Metasoma at least with 2nd and 3rd tergites brown or reddish-brown | 3 |
2 | Antenna black (Fig. |
A. magnus sp. n. |
– | Antenna extensively reddish-orange, with A1–A4 and A11–A14 dark orange; forewing without dark brown spots | A. schoenitzeri Turrisi |
3 | Head mainly black with malar area and gena brown | A. striatus Jurine |
– | Head mainly reddish-brown, with upper part of frons and median part of vertex black | 4 |
4 | Fore coxa brown; lower part of frons with sparse punctures, upper part with oblique transverse carinulae | A. flavigenis Alekseev |
– | Fore coxa black; lower part of frons transverse-carinate, upper part punctate | A. sinensis He & Chen |
Aulacus flavigenis Alekseev, 1986: 17.
Aulacus salicius Sun & Sheng, 2007b: 122. Synonymized by
Aulacus salicius Sun & Sheng:
No available material from China for this study. Examined material: 1 ♀ from South Korea (Tripotin P., gift to Turrisi G.F.).
Head mainly reddish-brown, with upper part of frons and median part of vertex black; fore coxa brown; metasoma black with most of first tergite (except base) and second tergite reddish-brown; lower part of frons with sparse and indistinct punctures, upper part with distinct oblique transverse carinulae; ovipositor about 0.8 × forewing length.
China (Heilongjiang); Russia (Primorski Krai and Skotovo) (
Collected in June (
Redescription is provided by
Holotype, ♀ (
From the Latin adjective “magnus”, meaning “large”, a noun in apposition.
Antenna entirely black; forewing with large dark brown spots under stigma and at apex; head largely smooth with sparse and fine punctures; lateroventral margin of pronotum without teeth; scutellum mostly rugose with nearly smooth area posteriorly; pretarsal claw with one basal large tooth-like process; ovipositor 0.9 × forewing length.
Holotype. Female. Body length 16.2 mm; forewing length 14.0 mm.
Colour. Black except: apical half of mandible reddish-brown; forewing hyaline, with large dark brown spot under stigma and large dark brown spot at apex; hind wing hyaline.
Head. From above, 1.2 × wider than long, shiny; lower interocular distance 1.5 × eye height; malar space 0.3 × eye height; occipital margin straight; temple, from above, rounded, slightly longer than eye length; occipital carina 0.1 × diameter of an ocellus; POL:OOL=0.8; head largely smooth with sparse and fine punctures (distance between punctures 1.0–4.0 × diameter of a puncture); A3 5.0 × longer than wide; A4 6.0 × longer than wide, and 1.4 × longer than A3; A5 5.5 × longer than wide, and 1.3 × longer than A3.
Mesosoma. Pronotum largely rugose, coarsely areolate-rugose in middle, with lateroventral margin regularly rounded and without teeth; propleuron shiny and largely smooth with sparse and fine punctures; mesoscutum transverse-carinate anteriorly, areolate-rugose posterior to notaulus, prescutum not emarginate medially; notaulus shallow and narrow; scutellum mostly rugose with nearly smooth area posteriorly; axilla oblique-rugulose; metanotum irregularly rugose; propodeum coarsely areolate-rugose; mesopleuron and metapleuron coarsely areolate-rugose; forewing with vein 2-rs+m long: cells SM2 and D1 distantly separated; hind wing veins faint to absent; hind coxa with dorsal surface transverse-carinate basally, densely and finely punctate apically, and ventral surface rugulose-punctate to punctate, punctures coarse and dense; hind basitarsus 12.0 × longer than wide, 1.2 × longer than tarsomeres 2–5; pretarsal claw with one large basal tooth-like process.
Metasoma. Pyriform (lateral view), compressed laterally; petiole elongate, 7.0 × longer than wide; segments 1 and 2 polished and shiny; following segments with fine and dense punctures; ovipositor 0.9 × forewing length.
Male. Unknown.
China (Hainan).
Distribution map of the species of Chinese Aulacidae (Pristaulacus longicornis Kieffer, 1911 is not included). 1 Aulacus flavigenis Alekseev, 1986 2 Aulacus magnus sp. n. 3 Aulacus schoenitzeri Turrisi, 2005 4 Aulacus sinensis He & Chen, 2007. 5 Aulacus striatus Jurine, 1807. 6 Pristaulacus albitarsatus Sun & Sheng, 2007 7 Pristaulacus asiaticus Turrisi & Smith, 2011 8 Pristaulacus calidus sp. n. 9 Pristaulacus centralis sp. n. 10 Pristaulacus comptipennis Enderlein, 1912. 11 Pristaulacus excisus Turner, 1922 12 Pristaulacus fopingi sp. n. 13 Pristaulacus intermedius Uchida, 1932 14 Pristaulacus iosephi Turrisi & Madl, 2013 15 Pristaulacus karinulus Smith, 2001 16 Pristaulacus memnonius Sun & Sheng, 2007 17 Pristaulacus nobilei Turrisi & Smith, 2011 18 Pristaulacus obscurus sp. n. 19 Pristaulacus pieli Kieffer, 1924 20 Pristaulacus porcatus Sun & Sheng, 2007 21 Pristaulacus pseudoiosephi sp. n. 22 Pristaulacus rufipes Enderlein, 1912 23 Pristaulacus rufobalteatus Cameron, 1907 24 Pristaulacus zhejiangensis He & Ma, 2002. Note: The South China Sea islands are not shown on this map.
Collected in May. Host not known.
Aulacus schoenitzeri Turrisi, 2005: 798.
Aulacus schoenitzeri Turrisi:
Holotype, ♀ (
Antenna extensively reddish-orange with A1–A4 and A11–A14 darker; legs blackish, except tibiae and tarsi reddish-orange; metasoma entirely black; vertex dull, strongly striolate-punctate; ovipositor 0.9 × forewing length.
China (Shaanxi).
Collected in May or June. Host not known.
Aulacus erythrogaster He & Chen, 2002: 149 (preoccupied by Aulacus erythrogaster Kieffer, 1904).
Aulacus sinensis He & Chen, 2007: 66 (replacement name for Aulacus erythrogaster He & Chen, 2002).
Aulacus sinensis He & Chen:
Holotype, ♀ (
Head mainly reddish brown, upper portion of frons and median portion of vertex black; fore and middle femora black, apically yellow, hind tibia yellow at basal 0.14, the rest blackish brown; frons punctate on upper half, transverse-striate on lower half; apical half of hind coxa with a longitudinal groove along inner side.
China (Zhejiang).
Collected in June. Host not known.
Aulacus striatus Jurine, 1807: 89–90.
Aulacus striatus Jurine:
No available material from China for this study.
Antenna entirely blackish-brown; femora, tibiae and tarsi extensively reddish-orange; metasoma extensively reddish-orange; vertex shining, irregularly, coarsely and deeply punctured, sometimes with very fine carinulae; propodeum weakly declivous; ovipositor 0.7–0.8 × forewing length.
China (Inner Mongolia) (
Collected in August (
The diagnosis is based on European specimens. Unfortunately, we were unable to examine Sun & Sheng’s specimens. Therefore, the status of this species in China is unclear to us.
Pristaulacus Kieffer, 1900: 813. Type species: Pristaulacus chlapowskii Kieffer, designated by Kieffer, 1903: 455.
Pristaulacus Kieffer:
1 | Hind margin of head straight or weakly concave, without medial groove (Figs |
2 |
– | Hind margin of head more or less grooved medially (Figs |
12 |
2 | Lateroventral margin of pronotum without tooth-like process | P. pieli Kieffer |
– | Lateroventral margin of pronotum at least with one tooth-like process (Figs |
3 |
3 | Hind basitarsus 1.9 × longer than tarsomeres 2–5 | P. rufipes Enderlein |
– | Hind basitarsus at most 1.3 × longer than tarsomeres 2–5 | 4 |
4 | Occipital carina wide, 0.5 × diameter of ocellus, lamelliform, brownish | 5 |
– | Occipital carina at most 0.2 × diameter of ocellus, pad-shaped, blackish | 7 |
5 | Large sized species (body length, excluding ovipositor about 15.0 mm); basal antennomeres very elongate (A3 8.3 × longer than wide, A4 14.0 × longer than wide) | P. longicornis Kieffer |
- | Medium sized species (body length, excluding ovipositor about 10.0-11.0 mm); basal antennomeres elongate (A3 5.0–6.0 × longer than wide, A4 10.0 × longer than wide) (Fig. |
6 |
6 | Metasoma entirely blackish, at most slightly lightened basally (Fig. |
P. intermedius Uchida |
– | Metasoma extensively reddish orange | P. karinulus Smith |
7 | Hind coxa entirely smooth, polished | P. memnonius Sun & Sheng |
– | Hind coxa transverse-carinate or rugose | 8 |
8 | Hind coxa rugose | P. zhejiangensis He & Ma |
– | Hind coxa transverse-carinate | 9 |
9 | Forewing with vein 2-rs+m short, cells SM2 and D1 continuous | P. albitarsatus Sun & Sheng |
– | Forewing with vein 2-rs+m long, cells SM2 and D1 distinctly separated (Figs |
10 |
10 | Metasoma entirely black (Fig. |
P. obscurus sp. n. |
– | Metasoma at least with first tergite brown (Figs |
11 |
11 | Frons with yellow areas around antennae (Fig. |
P. fopingi sp. n. |
– | Frons entirely black (Fig. |
P. rufobalteatus Cameron |
12 | Pronotum, in lateral view, with two projecting tooth-like processes, one anteroventral, the other ventral; pretarsal claw with six tooth-like processes | 13 |
– | Pronotum with one anteroventrally projecting tooth-like process; pretarsal claw with four or five tooth-like processes | 16 |
13 | Occipital groove pronounced, as deep or deeper than wide | P. asiaticus Turrisi & Smith |
– | Occipital groove shallow, less deep than wide (Fig. |
14 |
14 | Ovipositor 1.4 × forewing length | P. nobilei Turrisi & Smith |
– | Ovipositor 0.8–0.9 × forewing length | 15 |
15 | Forewing with vein 2-rs+m short, cells SM2 and D1 slightly separated; propleuron dull, finely rugose with small smooth area dorsally | P. iosephi Turrisi & Madl |
– | Forewing with vein 2-rs+m long, cells SM2 and D1 distantly separated (Fig. |
P. pseudoiosephi sp. n. |
16 | Occipital carina not interrupted along occipital medial groove (Fig. |
P. excisus Turner |
– | Occipital carina interrupted along occipital medial groove; occipital medial groove abruptly shaped, from narrow to wide and deep (Figs |
17 |
17 | Forewing with wide and irregular brown spots on basal part, below stigma and on apex | P. comptipennis Enderlein |
– | Forewing with only one brown spot below stigma | 18 |
18 | Mesoscutum mostly areolate-rugose | P. porcatus Sun & Sheng |
– | Mesoscutum mostly transverse-carinate (Figs |
19 |
19 | Setae on body golden brown (Fig. |
P. centralis sp. n. |
– | Setae on body white (Fig. |
P. calidus sp. n. |
Pristaulacus albitarsatus Sun & Sheng, 2007a: 216.
Pristaulacus albitarsatus Sun & Sheng:
No available material for this study.
Metasoma more or less extensively reddish; hind tarsus withish-yellow; hind margin of head straight or weakly concave, without medial groove; occipital carina at most 0.2 × diameter of ocellus, pad-shaped, blackish; lateroventral margin of pronotum at least with one tooth-like process; forewing with vein 2-rs+m short, cells SM2 and D1 continuous; hind coxa transverse-carinate; hind basitarsus at most 1.3 × longer than tarsomeres 2–5 (
China (Henan) (
Collected in May. Host not known (
Unfortunately, we were unable to examine Sun & Sheng’s specimens. The diagnosis is based on the original description of
Pristaulacus asiaticus Turrisi & Smith, 2011: 10.
Holotype, ♂ (
Antenna with A1 dark reddish-brown on ventral surface; forewing infuscate, strongly infuscate on basal third and largely below stigma; hind margin of head grooved medially, occipital groove pronounced, as deep or deeper than wide; pronotum, in lateral view, with two projecting tooth-like processes, one anteroventral, the other ventral; pretarsal claw with six tooth-like processes; forewing with vein 2-rs+m long, cells SM2 and D1 distantly separated.
China (Hubei) (
Collected in August. Host not known (
Holotype, ♂ (
From the Latin adjective “calidus”, meaning “hot”, a noun in apposition.
Antenna black with scape yellowish-orange; metasoma black with posterior margin of first tergite brown; forewing hyaline with a small dark brown spot under stigma; occipital margin concave, with a wide and deep medial groove; pronotum with one anteroventrally projecting tooth-like process; pretarsal claw with five tooth-like processes; forewing with vein 2-rs+m short, cells SM2 and D1 slightly separated.
Holotype. Male. Body length 12.1 mm; forewing length 7.1 mm.
Colour. Antenna black with scape yellowish-orange; head black with clypeus dark brown; mesosoma black; metasoma black with posterior margin of first tergite brown; mandible brown with teeth darker; palpi black; fore leg, tibia and tarsus of mind leg and tarsus of hind leg yellowish-brown, remainder of legs dark brown to black; forewing hyaline with a small dark brown spot under stigma; hind wing hyaline.
Head. From above, 1.2 × wider than long, shiny; lower interocular distance 1.4 × eye height; malar space 0.4 × eye height; occipital margin concave, with a wide and deep medial groove; temple, from above, rounded, distinctly longer than eye length; occipital carina 0.5 × diameter of an ocellus; POL:OOL=0.9; lower frons and clypeus densely and finely punctate, remainder of head largely smooth with sparse and fine punctures; A3 3.5 × longer than wide; A4 5.8 × longer than wide, and 2.0 × longer than A3; A5 5.6 × longer than wide, and 1.9 × longer than A3.
Mesosoma. Pronotum coarsely areolate-rugose, with one anterior short tooth-like process on lateroventral margin; propleuron shiny and smooth ventrally, finely rugose on dorsal surface; mesoscutum mostly transverse-carinate, coarsely areolate-rugose along transscutal fissure and on sides, anterior part slightly emarginate medially, rounded laterally; notauli deep and wide; scutellum transverse-carinate in middle, coarsely areolate-rugose on anterior and posterior margin; axillae, metanotum, propodeum, mesopleuron and metapleuron coarsely areolate-rugose; forewing with vein 2-rs+m short, cells SM2 and D1 slightly separated; hind wing veins faint to absent; hind coxa transverse-carinate; hind basitarsus 10.0 × longer than wide, and 1.3 × of tarsomeres 2–5; pretarsal claw with five tooth-like processes.
Metasoma. Smooth, shining, with fine white pubescence on segment 2 to apex; petiole elongate, 5.7 × longer than wide.
Female. Unknown.
China (Yunnan).
Collected in April. Host not known.
Holotype, ♀ (
From the Latin adjective “centralis”, meaning “placed in the middle”, a noun in apposition.
Forewing with only one brown spot below stigma; metasoma mostly yellowish-brown with first tergite largely black; occipital margin concave, with a strongly wide and deep medial groove; pronotum with one anteroventrally projecting tooth-like process; mesoscutum mostly transverse-carinate; pretarsal claw with four tooth-like processes; ovipositor 1.6 × forewing length.
Holotype. Female. Body length 14.2 mm; forewing length 9.4 mm.
Colour. Antenna black with scape yellowish-orange; head black with clypeus orange; mesosoma black; metasoma mostly yellowish-brown with first tergite largely black; mandible orange with teeth dark brown; palpi dark brown; hind coxa black, remainder of legs yellowish-orange with tarsi paler; ovipositor sheath black; forewing infuscate, with dark brown spot under stigma; hind wing hyaline.
Head. From above, 1.3 × wider than long, shiny; lower interocular distance 1.4 × eye height; malar space 0.4 × eye height; occipital margin concave, with a strongly wide and deep medial groove; temple, from above, rounded, slightly shorter than eye length; occipital carina 0.8 × diameter of an ocellus; POL:OOL=1.1; frons, clypeus and marlar space densely and finely punctate; vertex and temple largely smooth with sparse and fine punctures; A3 6.5 × longer than wide; A4 8.7 × longer than wide, and 1.3 × longer than A3; A5 9.6 × longer than wide, and 1.1 × longer than A3.
Mesosoma. Pronotum coarsely areolate-rugose, with one anterior short tooth-like process on lateroventral margin; propleuron dull, largely finely rugose or punctate with small smooth area posterodorsally; mesoscutum mostly transverse-carinate, coarsely rugose on sides, anterior part slightly emarginate medially, rounded laterally; notauli deep and wide; scutellum transverse-carinate in middle, coarsely rugose on posterior margin; axillae, metanotum and propodeum coarsely areolate-rugose; mesopleuron mostly coarsely areolate-rugose with small rugose area anteriodorsally; metapleuron coarsely areolate-rugose; forewing with vein 2-rs+m short, cells SM2 and D1 slightly separated; hind wing with veins somewhat distinct, cells Cu and R1+Rs contiguous; hind coxa transverse-carinate; hind basitarsus 9.5 × longer than wide, and 1.2 × of tarsomeres 2–5; pretarsal claw with four tooth-like processes.
Metasoma. Smooth, shining, with fine white pubescence on segment 3 to apex; petiole elongate, slender, 4.5 × longer than wide; ovipositor 1.6 × forewing length.
Male. Unknown.
China (Hubei).
Collected in July. Host not known.
Pristaulacus comptipennis Enderlein, 1912: 265.
Pristaulacus comptipennis Enderlein:
Lectotype, ♀ (SDEI), TAIWAN: Hoozan, Formosa, II.10, H. Sauter/Pristaulacus comptipennis Enderl., ♀, Type, Dr. Enderlein det. 1912/Syntypus/Eberswalde coll. DEI/Lectotypus ♀, Pristaulacus comptipennis Enderlein, 1912, des. T. Megjaszai 1999/Pristaulacus comptipennis Enderlein, 1912, ♀, Lectotypus G.F. Turrisi des. 2006. Paralectotypes: 2 ♀♀ (SDEI), Hoozan, Formosa, V.10, H. Sauter/Pristaulacus comptipennis Enderl., ♀, Type, Dr. Enderlein det. 1912/Syntypus/Eberswalde coll. DEI/Paralectotypus ♀, Pristaulacus comptipennis Enderlein, 1912, des. T. Megjaszai 1999/Pristaulacus comptipennis Enderlein, 1912, ♀, Paralectotypus G.F. Turrisi des. 2006. Additional material: 1 ♀ (SDEI), Taiwan, Hoozan, V.1910, H. Sauter; 2 ♀♀ (SDEI), Taiwan, Anping, 22.VII.1911, H. Sauter; 1 ♀ (SDEI), Taiwan, Kankau (Koshun), V.1912, H. Sauter; 2 ♀♀ (SDEI,
Antenna black with scape brown; forewing with wide and irregular brown spots on basal part, below stigma and on apex; metasoma black with second tergite brown anteriorly; occipital margin concave, with a wide and deep medial groove; pronotum with one anteroventrally projecting tooth-like process; ovipositor 1.2 × forewing length.
China (Taiwan, Hunan, Hongkong, Hainan); Korea; Japan; Laos (
Redescriptions and data on intraspecific variation are provided by
Collected in May–July, September, October, and December. Host: Ceresium elongatum Matsushita, 1933 (Coleoptera, Cerambycidae) (
Pristaulacus excisus Turner 1922: 271.
Pristaulacus excisus Turner:
Holotype, ♀ (BMNH) examined (see
Metasoma black with transverse patch near posterior margin of first tergite and anterior margin of second tergite yellowish-brown; forewing infuscate, with anterior third darker and dark brown spot under stigma; occipital margin concave, V-shaped, its depth very shallow; pronotum with one anteroventrally projecting tooth-like process; pretarsal claw with four tooth-like processes.
China (Guangxi); Vietnam (
Collected in May and August (
Redescription is provided by
Holotype, ♂ (
Named after the type locality.
Frons with yellow areas around antennae; hind margin of head straight, without medial groove; lateroventral margin of pronotum with one tooth-like process; propleuron largely finely rugose with small smooth area posterodorsally; forewing with vein 2-rs+m long, cells SM2 and D1 distantly separated; hind coxa transverse-carinate.
Holotype. Male. Body length 12.3 mm; forewing length 8.8 mm.
Colour. Antenna black with scape brown; head black with clypeus and lower frons under antennal sockets yellow; mesosoma black; metasoma black with first tergite and anterior margin of second tergite brown; mandible dark brown; palpi yellowish-brown; coxae and hind femura black, remainder of legs yellowish-orange with tarsi paler; forewing slightly infuscate, with dark brown spot under stigma; hind wing hyaline.
Head. From above, 1.2 × wider than long, shiny; lower interocular distance 1.5 × eye height; malar space 0.3 × eye height; occipital margin straight; temple, from above, rounded, slightly shorter than eye length; occipital carina 0.1 × diameter of an ocellus; POL:OOL=0.8; frons above antennal sockets and marlar space densely and finely punctate, remainder of head largely smooth with sparse and fine punctures; A3 3.0 × longer than wide; A4 5.0 × longer than wide, and 1.6 × longer than A3; A5 5.4 × longer than wide, and 1.7 × longer than A3.
Mesosoma. Pronotum coarsely areolate-rugose, with one anterior short tooth-like process on each lateroventral margin; propleuron dull, largely finely rugose with small smooth area posterodorsally; mesoscutum transverse-carinate anteriorly, coarsely areolate-rugose posterior to notauli, anterior part emarginate medially, rounded laterally; notauli deep and wide posteriorly, becoming narrower anteriorly; scutellum transverse-carinate in middle, coarsely rugose on posterior margin; axillae, metanotum and propodeum coarsely areolate-rugose; mesopleuron mostly coarsely areolate-rugose with small rugose area anteriodorsally; metapleuron coarsely areolate-rugose; forewing with vein 2-rs+m long, cells SM2 and D1 distantly separated; hind wing with veins distinct, cells Cu and R1+Rs contiguous; hind coxa transverse-carinate; hind basitarsus 9.6 × longer than wide, and 1.2 × of tarsomeres 2–5; pretarsal claw with four tooth-like processes.
Metasoma. Smooth, shining, with fine white pubescence on segment 3 to apex; petiole elongate, slender, 3.5 × longer than wide.
Female. Unknown.
China (Shaanxi).
Collected in June. Host not known.
Pristaulacus intermedius Uchida, 1932: 190.
Pristaulacus intermedius Uchida:
CHINA: 1 ♀ (
Forewing slightly infuscate, with large dark brown spot under stigma; metasoma entirely blackish, at most slightly lightened basally; basal antennomeres elongate (A3 5.0–6.0 × longer than wide, A4 10.0 × longer than wide); occipital margin straight, wide, 0.5 × diameter of ocellus, lamelliform, brownish; lateroventral margin of pronotum without process; ovipositor 1.3 × forewing length.
China (Liaoning, Jilin, Shaanxi, Yunnan); Japan; South Korea (
Collected from April to August. Host: Chlorophorus japonicus (Chevrolat, 1863) (Coleoptera, Cerambycidae) (Uchida 1932).
This is the first record of this species from the Oriental Region.
Pristaulacus iosephi Turrisi & Madl, 2013: 239.
Holotype, ♀ (
Metasoma black with posterior half of first tergite brown; forewing infuscate, with anterior third darker and large dark brown spot under stigma; lateral margin of pronotum with two well-developed tooth-like processes; pretarsal claw with six tooth-like processes; ovipositor 0.8 × forewing length.
China (Yunnan); Thailand (
Collected in April and May. Host not known.
This species is newly recorded from China.
Pristaulacus kiefferi Enderlein, 1912: 266 (preoccupied by
Pristaulacus karinulus Smith, 2001: 288 (replacement name for Pristaulacus kiefferi Enderlein, 1912).
Pristaulacus karinulus Smith:
CHINA: 1 ♀, Taiwan (Hoozan), labelled as syntypus of Pristaulacus kiefferi (SDEI).
Metasoma extensively reddish orange; basal antennomeres elongate (A3 5.0–6.0 × longer than wide, A4 10.0 × longer than wide); occipital carina straight, wide, 0.5 × diameter of ocellus, lamelliform, brownish.
China (Henan, Jiangsu, Taiwan) (
Collected from May to July. Host not known.
Pristaulacus longicornis Kieffer, 1911: 230.
Pristaulacus longicornis Kieffer:
Holotype, ♀, CHINA: “B.M. Type Hym. 3.a.99/Pristaulacus longicornis Kieff./F. Sm. Coll. 79.22/ determined by Dr. Kieffer” (BMNH).
Mandible extensively dark red, with base and apex blackish; forewing slightly infuscate at apex, with a small irregular and narrow brown substigmal spot and a small irregular brown spot on middle part of B; metasoma reddish-brown, with T1 and T2 extensively reddish-orange and petiole blackish; occipital carina wide, lamelliform, 0.5 × diameter of an ocellus; A3 8.3 × longer than wide; A4 14.0 × longer than wide, and 1.7 × longer than A3; pronotum with a weak anterior tooth-like process on lateroventral margin; hind basitarsus 14.0 × longer than wide, and slightly longer than tarsomeres 2–5; pretarsal claw with four tooth-like processes; metasoma with petiole elongate and slender, 2.0 × longer than wide.
China (unknown whether Palaearctic or Oriental) (
Unknown.
Redescription is provided by
Pristaulacus memnonius Sun & Sheng, 2007a: 217.
Pristaulacus memnonius Sun & Sheng:
Paratype: 1 ♀ (SFPS), CHINA: Lingshan, Henan, 1999.5.24, M.-L. Sheng//400–500 m, 1999.5.24/Pristaulacus memnonius Sun & Sheng.
Hind margin of head straight; occipital carina about 0.2 × diameter of ocellus, pad-shaped, blackish; lateroventral margin of pronotum with one tooth-like process; hind coxa entirely smooth, polished.
China (Henan) (
Collected in May (
Pristaulacus nobilei Turrisi & Smith, 2011: 41.
Holotype, ♀ (ZMHB), CHINA: Canton (China), Westfluss, Ting-Wu-San, Mell S.G./Zool. Mus. Berlin/[unreadable handwritten label]/Pristaulacus nobilei Turrisi & Smith sp. n., ♀, 2009, Holotypus. Paratypes: 1 ♀ (
Metasoma with second tergite extensively dark reddish; occipital margin weakly grooved medially; lateroventral margin of pronotum with two well-developed tooth-like processes; pretarsal claw with six tooth-like processes; ovipositor 1.4 × forewing length.
China (Jiangsu, Guangdong, Hongkong, Macao) (
Collected in June. Host not known (
Holotype, ♀ (
From the Latin adjective “obscurus”, meaning “dark, black”, a noun in apposition.
Body and legs entirely black; forewing hyaline, with dark brown spot under stigma; occipital margin straight; lateroventral margin of pronotum with one tooth-like processes; forewing with vein 2-rs+m long, cells SM2 and D1 distantly separated; ovipositor 0.8 × forewing length.
Holotype. Female. Body length 12.0 mm; forewing length 9.4 mm.
Colour. Black except: forewing hyaline, with dark brown spot under stigma; hind wing hyaline.
Head. From above, 1.3 × wider than long, shiny; lower interocular distance 1.7 × eye height; malar space 0.3 × eye height; occipital margin straight; temple, from above, rounded, distinctly shorter than eye length; occipital carina 0.1 × diameter of an ocellus; POL:OOL=1.0; head largely smooth except frons above and lateral antenna densely and finely punctate; A3 3.7 × longer than wide; A4 6.0 × longer than wide, and 1.6 × longer than A3; A5 6.3 × longer than wide, and 1.8 × longer than A3.
Mesosoma. Pronotum coarsely areolate-rugose, with one anterior short tooth-like process on lateroventral margin; propleuron smooth and shiny; mesoscutum transverse-carinate anteriorly, irregularly rugose posterior to notauli, anterior part strongly emarginate medially, slightly pointed laterally; notauli deep and wide; scutellum transverse-carinate medially, areolate-rugose laterally; axillae areolate-rugose; metanotum, propodeum, mesopleuron and metapleuron coarsely areolate-rugose; forewing with vein 2-rs+m long, cells SM2 and D1 distantly separated; hind wing veins faint to absent; hind coxa transverse-carinate; hind basitarsus 8.5 × longer than wide, and 1.2 × of tarsomeres 2–5; pretarsal claw with four tooth-like processes.
Metasoma. Smooth, shining, with fine white pubescence on segment 3 to apex; petiole elongate, 3.8 × longer than wide; ovipositor 0.8 × forewing length.
Male. Unknown.
China (Yunnan).
Collected in May and June. Host not known.
Pristaulacus pieli Kieffer, 1924: 79.
Pristaulacus pieli Kieffer:
The type material is not known (
Hind margin of head straight, without medial groove; lateroventral margin of pronotum without tooth-like process (Kieffer 1924).
China (Jiangsu).
The holotype was collected in July. Host not known.
Pristaulacus porcatus Sun & Sheng, 2007a: 217.
Pristaulacus porcatus Sun & Sheng:
Paratype, 1 ♀ (SFPS), CHINA: Henan, Lingshan, 400–500 m, 24.V.1999, M. L. Sheng/Pristaulacus porcatus Sun & Sheng, sp. n.
Antenna with A1 light orange and A2 dark reddish; metasoma with side of first tergite, most of second tergite and side of third tergite irregulary orange; occipital margin concave, with a wide and deep medial groove; pronotum with one anteroventrally projecting tooth-like process; pretarsal claw with four tooth-like processes; ovipositor 1.2 × forewing length.
China (Henan) (
Collected in May (
Redescription is provided by
Holotype, ♀ (
The name refers to the similar appearance to P. iosephi.
Body black; forewing infuscate, with large dark brown spot under stigma; occipital margin concave, with a wide and deep medial groove; pronotum with two anteroventrally projecting tooth-like process; pretarsal claw with six tooth-like processes; ovipositor 0.9 × forewing length.
Holotype. Female. Body length 16.6 mm; forewing length 11.3 mm.
Colour. Black except: scape of antenna, palpi and tarsi dark brown; forewing infuscate, with large dark brown spot under stigma; basal 2/3 of hind wing hyaline, apical 1/3 infuscate.
Head. From above, 1.2 × wider than long, shiny; lower interocular distance 1.3 × eye height; malar space 0.2 × eye height; occipital margin concave, with a wide and deep medial groove; temple, from above, rounded, distinctly longer than eye length; occipital carina 0.3 × diameter of an ocellus; POL:OOL=1.1; frons and clypeus densely and finely punctate; vertex and temple largely smooth with sparse and fine punctures; A3 2.4 × longer than wide; A4 3.7 × longer than wide, and 1.8 × longer than A3; A5 3.2 × longer than wide, and 1.5 × longer than A3.
Mesosoma. Pronotum coarsely areolate-rugose, with two well-developed anterior and posterior tooth-like processes on lateroventral margin; propleuron largely smooth with sparse fine punctures, shiny; mesoscutum transverse-carinate anteromedially, remainder of mesocutum coarsely areolate-rugose, anterior part strongly emarginate medially, rounded laterally; notauli deep but narrow; scutellum, axillae, metanotum, propodeum, mesopleuron and metapleuron coarsely areolate-rugose; forewing with vein 2-rs+m long, cells SM2 and D1 distantly separated; hind wing with veins somewhat distinct, cells Cu and R1+Rs contiguous; hind coxa transverse-carinate; hind basitarsus 11.3 × longer than wide, and 1.1 × of tarsomeres 2–5; pretarsal claw with six tooth-like processes.
Metasoma. Smooth, shining, with fine white pubescence on segment 3 to apex; petiole elongate, 3.3 × longer than wide; ovipositor 0.9 × forewing length.
Male. Unknown.
China (Guangxi, Yunnan).
Collected in April and June. Host not known.
Pristaulacus rufipes Enderlein, 1912: 266.
Pristaulacus rufipes Enderlein:
Holotypus, ♀ (SDEI), CHINA: Formosa, Hoozan, Sauter H./Pristaulacus rufipes Enderlein sp. n. Other material: 1 ♂ (TCUC), Taiwan, Gaofong Ln., about 1400 m, Ren-ai T. Nantou, 7–9.V.2009, Takakuwa M. leg.
Antenna reddish-orange with A1 lighter; legs light reddish-orange, except coxae and hind trochanters darker; metasoma largely black, except S1, most part of T2 and apex of following tergites dark reddish; occipital margin straight; pronotum with one anteroventrally projecting tooth-like process; pretarsal claw with four tooth-like processes; ovipositor 1.8 × forewing length.
Holotype. Female. Body length 14.8 mm; forewing length 11.9 mm.
Colour. Blackish-brown except: clypeus extensively dark brown; mandible extensively reddish-orange, with apex blackish; maxillo-labial complex brownish to dark brownish; antenna reddish-orange with A1 lighter; legs light red orange, except coxae and hind trochanter darker; wings hyaline, forewing with a wide brown spot below stigma (two third as wide as stigma width) not extending beyond cells SM-1 and R; metasoma largely black, except S1, most part of T2 and apex of following tergites dark reddish; valvula 3 of ovipositor dark brown to blackish-brown. Setae: whitish to goldish.
Head. From above, 1.4 × wider than long, shiny; occipital margin straight; temple, from above, weakly developed, weakly convex; occipital carina about 0.2 × diameter of an ocellus; POL:OOL= 1.2; vertex and temple with fine, and scattered to dense punctures (distance between punctures 3.0–1.5 × diameter of a puncture); frons with coarse, and scattered to dense punctures (distance between punctures 3.0–1.0 × diameter of a puncture); clypeus with coarse, and dense punctures; malar area with coarse, and dense punctures; occipital area with fine, and dense punctures (distance between punctures about 1.5 × diameter of an ocellus).
Mesosoma. Coarsely sculptured; pronotum areolate punctate, except lower third, coarsely punctate to areolate rugulose, with one weakly developed anterior tooth on each lateroventral margin; propleuron polished and shiny, coarsely, deeply, and densely punctate-rugulose on dorsal surface, with coarse, deep, and scattered to dense punctures on ventral surface (distance between punctures 1.0–2.0 × diameter of a puncture); prescutum sub-triangular, very wide, not concave, transverse-carinulate-punctate to transverse-carinate; mesoscutum transverse-carinate, with anterior part slightly emarginate in middle, rounded (lateral view); notauli deep and narrow; scutellum transverse-carinate; mesopleuron areolate-rugose (upper part) to rugulose-punctate-carinulate (lower part), except a wide part of subalar area, punctate-rugulose; metanotum mostly smooth, with a few confused carinulae; propodeum areolate-rugose, except anterior margin longitudinally carinate; ventral parts of mesosoma rugose to punctate; forewing with vein 2-rs+m short, cells SM2 and D1 continuous; fore coxa polished with coarse, deep, and dense punctures; mid coxa rugulose-punctate; hind coxa with very coarse, deep, and dense punctures on most of dorsal surface (with a few transverse weakly defined carinae in middle), mostly polished (rugose on sides) and punctate on ventral surface (punctures coarse, deep, and dense, distances between punctures 0.5–1.0 × diameter of a puncture); hind basitarsus 13.4 × longer than wide and 1.9 × longer than tarsomeres 2–5; pretarsal claw with four tooth-like processes.
Metasoma. Pyriform (lateral view), compressed laterally; petiole elongate, slender, 4.4 × as long as wide; segments 1 and 2 polished and shiny; following segments with fine and dense punctures; ovipositor 1.8 × forewing length.
Male. Similar to the female, but metasoma darker.
China (Taiwan).
Unknown.
Pristaulacus rufobalteatus Cameron, 1907: 222.
Pristaulacus rufobalteatus Cameron:
1 ♀ (
Metasoma black with first tergite largely brown; fore hyaline with dark brown spot under stigma; occipital margin straight; occipital carina 0.1 × diameter of an ocellus; pronotum with one anteroventrally projecting tooth-like process; pretarsal claw with four tooth-like processes; ovipositor 0.9 × forewing length.
Female. Body length 8.7 mm; forewing length 6.8 mm.
Colour. Antenna black with scape yellowish-orange; head black with clypeus dark brown; mesosoma black; first tergite largely brown, and remainder of tergites black; mandible brown with teeth darker; palpi brown; coxae black, femur and tibia dark brown, remainder of legs yellowish-orange with tarsi paler; ovipositor brown; fore hyaline with dark brown spot under stigma; hind wing hyaline.
Head. From above, 1.4 × wider than long, shiny; lower interocular distance 1.5 × eye height; malar space 0.3 × eye height; occipital margin straight; temple, from above, rounded, slightly shorter than eye length; occipital carina 0.1 × diameter of an ocellus; POL:OOL=1.3; lower frons and clypeus densely and finely punctate, remainder of head largely smooth with sparse and fine punctures; A3 3.7 × longer than wide; A4 6.6 × longer than wide, and 1.7 × longer than A3; A5 6.2 × longer than wide, and 1.5 × longer than A3.
Mesosoma. Pronotum coarsely rugose, with one anterior small process on lateroventral margin; propleuron dull, densely punctate ventrally, finely rugose with small smooth area dorsally; mesoscutum mostly transverse-carinate, coarsely rugose on sides, anterior part slightly emarginate medially, rounded laterally; notauli deep and wide; scutellum transverse-carinate in middle, coarsely rugose on anterior and posterior margin; axillae coarsely areolate-rugose; metanotum coarsely rugose; propodeum largely coarsely areolate-rugose, coarsely rugose in middle; mesopleuron coarsely areolate-rugose posteriodorsally, remainder rugose; metapleuron coarsely areolate-rugose; forewing with vein 2-rs+m long, cells SM2 and D1 distantly separated; hind wing veins faint to absent; hind coxa transverse-carinate; hind basitarsus 8.5 × longer than wide, and 1.3 × of tarsomeres 2–5; pretarsal claw with four tooth-like processes.
Metasoma. Smooth, shining, with fine white pubescence on segment 2 to apex; petiole elongate, 2.4 × longer than wide; ovipositor 0.9 × forewing length.
Male. Unknown.
China (Gansu, Yunnan); India (
Collected in March, June and July. Host not known.
This is a newly recorded species for China.
Pristaulacus zhejiangensis He & Ma, 2002: 150.
Pristaulacus zhejiangensis He & Ma:
Holotype, ♀ (
Metasoma black with posterior margin of first tergite dark brown; tibiae and tarsi yellowish-brown with tarsi paler, remainder of legs dark brown to black; forewing infuscate, with large dark brown spot under stigma; occipital margin straight; occipital carina 0.1 × diameter of an ocellus; pronotum with one anteroventrally projecting tooth-like process; pretarsal claw with four tooth-like processes; ovipositor 0.9 × forewing length.
Female. Body length 10.1 mm; forewing length 7.2 mm.
Colour. Black except: scape of antenna dark brown; mandible yellowish-brown with teeth darker; posterior margin of first tergite dark brown; tibiae and tarsi yellowish-brown with tarsi paler, remainder of legs dark brown to black; forewing infuscate, with large dark brown spot under stigma; hind wing infuscate.
Head. From above, 1.4 × wider than long, shiny; lower interocular distance 1.5 × eye height; malar space 0.3 × eye height; occipital margin straight; temple, from above, rounded, slightly longer than eye length; occipital carina 0.1 × diameter of an ocellus; POL:OOL=1.1; malar area densely and finely punctate, remainder of head largely smooth with sparse and fine punctures; A3 3.4 × longer than wide; A4 5.8 × longer than wide, and 1.8 × longer than A3; A5 5.3 × longer than wide, and 1.6 × longer than A3.
Mesosoma. Pronotum coarsely areolate-rugose, with one anterior short tooth-like process on lateroventral margin; propleuron dull, mostly finely rugose, posteroventral corner smooth with sparse fine punctures; mesoscutum transverse-carinate anteriorly, irregularly rugose posterior to notauli, anterior part slightly emarginate medially, rounded laterally; notauli deep and wide; scutellum transverse-carinate in middle, irregularly rugose on anterior and posterior margin; axillae, metanotum and propodeum coarsely areolate-rugose; mesopleuron mostly coarsely areolate-rugose with small rugose area anteriodorsally; metapleuron coarsely areolate-rugose; forewing with vein 2-rs+m short, cells SM2 and D1 slightly separated; hind wing with veins somewhat distinct, cells Cu and R1+Rs contiguous; hind coxa rugose; hind basitarsus 11.4 × longer than wide, and 1.1 × of tarsomeres 2–5; pretarsal claw with four tooth-like processes.
Metasoma. Smooth, shining, with fine white pubescence on segment 2 to apex; petiole elongate, slender, 2.9 × longer than wide; ovipositor 0.9 × forewing length.
Male. Unknown.
China (Zhejiang, Fujian, Hunan).
Collected in April and August. Host not known.
We are very grateful to Dr. David Smith (Washington DC) for sending us bibliography, Prof. Jun-hua He, Prof. Dr. Xue-xin Chen (Hangzhou), Prof. Dr. Mao-ling Sheng (Shenyang), for the loan of types of Aulacidae and additional material; to Prof. Dr. Ge-xia Qiao, Prof. Dr. Jun Chen, Dr. Hong-bing Liang, Dr. Yan-kui Zhang, Dr Jian Yao and Dr Hong Liu (Beijing), Drs Hai-sheng Yin and Wei-nian Zhang (Shanghai), Dr. Pu Tang (Hangzhou), for their kind help in examining and imaging types of Aulacidae and additional material. We are indebted to Dr. Michael Engel, Dr. John Jennings and anonymous reviewers for their useful suggestions to improve the manuscript. This study is supported by the National Basic Research Program of China (No. 2013CB127600).