Research Article |
Corresponding author: Xingmin Wang ( wangxmcn@scau.edu.cn ) Academic editor: Michael Thomas
© 2017 Lizhi Huo, Wenjing Li, Xingmin Wang.
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:
Huo L, Li W, Wang X (2017) Pseudaspidimerus palatus, a new species of the genus Pseudaspidimerus Kapur, 1948 from the Malay Peninsula (Coleoptera, Coccinellidae). ZooKeys 706: 109-115. https://doi.org/10.3897/zookeys.706.18081
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A new species of the genus Pseudaspidimerus Kapur, 1948 (Coleoptera: Coccinellidae), Pseudaspidimerus palatus Huo & Wang, sp. n. from the Malay Peninsula is described with illustrations and a distribution map. The genus Pseudaspidimerus is recorded for the first time from Malaysia and Singapore.
Aspidimerini , lady beetles, new record, Malaysia, Singapore
Pseudaspidimerus Kapur is a small genus of the tribe Aspidimerini Weise, 1900, with only ten species described until now (
All studied materials were borrowed from the following museums:
MIZ Museum and Institute of Zoology PAS, Warsaw, Poland;
Type specimens are deposited in the above museums, except two paratypes kept in South China Agricultural University (
Dry specimens were softened in 70°C water for 12 hours; the abdomen was detached and cleared in warm 10% KOH solution for 1–2 hours. Genitalia of both sexes were dissected, rinsed with distilled water, transferred to glycerol, and examined on slides. Genitalia images were photographed with digital cameras (Axiocam 506 color) connected to the microscope (ZEISS Imager M2). The software ZEN 2.3 was used to capture genitalia images.
External morphology was observed with a stereomicroscope (SteREO Discovery V20, Zeiss). Images were photographed with digital cameras (AxioCam HRc) connected to the microscope. Measurements were made using the measurement tools of the software AxioVision Rel. 4.8. The following abbreviations are used in the description:
TL total length, from apical margin of clypeus to apex of elytra;
TW total width, across both elytra at widest part;
TH total height, through the highest point of elytra to metaventrite;
HW head width, including eyes;
PL pronotal length, from the middle of anterior margin to the base of pronotum;
PW pronotal width at widest part;
EL elytral length, along the suture, from the apex to the base including the scutellum;
EW elytral width, across both elytra at widest part;
ID interocular distance, nearest distance between eyes.
Scanning electron micrographs were made using HITACHI S-3400N in the Electron Microscopy Laboratory of the MIZ. The distribution map was downloaded from a free map website (http://alabamamaps.ua.edu) and all images were cleaned up and laid out in plates with Adobe Photoshop CS5. Morphological terms follow
Holotype: 1♂, “Thailand, Ranong prov. Ban Na env., 22-26.III.1996, 9°34'N, 98°42'E, K Majer leg” (
Elytra black with apical part yellowish brown, maculae oblique expending from apical 1/3 of suture to lateral 1/2 length of lateral margin; Penis extremely robust, arcuate, swollen anteriorly with small inner branch, narrowest at middle; Penis guide, in lateral view, widest at base, gradually narrowing to pointed apex. In ventral view, shovel shaped, only a little longer than broad, slightly narrowing to basal 1/3, thence gradually narrowing to small rounded apex.
TL: 1.91–2.07 mm, EL: 1.43–1.49 mm, TW: 1.56–1.66 mm, TH: 1.00–1.06 mm, PL: 0.64–0.73 mm, PW: 1.13–1.25 mm, HW: 0.76–0.81 mm, ID: 0.40–0.43 mm, TL/TW: 1.22–1.25, PL/PW: 0.57–0.58, EL/EW: 0.90–0.92, HW/PW: 0.65–0.67, PW/EW: 0.72–0.75, ID/HW: 0.53.
Body oblong oval, densely covered with short, silvery white pubescence (Fig.
Male genitalia. Penis extremely robust, arcuate, swollen anteriorly with small inner branch, narrowest at middle (Fig.
Female genitalia. Coxites fairly broad, 0.5 times as long as wide, with a projection on basal end, apical and outer margin with dense, long setae. Spermatheca curved, C-shaped, ramus and nodulus not clearly differentiated (Fig.
Thailand (Ranong, Yala), Malaysia (Kuala Lumpur), Singapore.
In general appearance, this species is similar to a variation of P. mauliki (
We thank Wioletta Tomaszewska (MIZ), Jiří Hájek (
Table of localities
Data type: occurence