Corresponding author: Xue-xin Chen (
Academic editor: Kees van Achterberg
The rare genus
The
The terminology and measurements used follow
Length of body 3.0 mm, of fore wing 2.8 mm.
Antenna slender, 17-segmented; scapus twice as long as pedicellus; third segment 1.2 times as long as fourth segment; third, fourth and penultimate segments 4.7, 4.2, and 1.7 times as long as their width, respectively; penultimate segment 0.7 times as long as the apical segment; sixth and seventh segments normal.
Unknown.
Holotype, ♀ (ZJUH): China, Yunnan, Baoshan, Lujiangba, Gaoligong Mountain Natural Park, 24°49′44″N, 98°46′04″E, 2181m elev., 11.v.2009, coll. Wang Man-man, no.200904565.
The new species is similar to
Nothing is known about the host of this species.
From Latin “sinicus” (Chinese), referring to the first discovery in China.
1. | First metasomal tergite distinctly widened apically, its length about 1.5 times (+) its apical width and extensively sculptured; third antennal segment 3–3.3 (+) times as long as its width, sixth and seventh segments of + very short; vein 1r-m of hind wing 1.3–1.6 times as long as vein 1-M; ovipositor sheath 0.25–0.29 times as long as fore wing; hind tarsus infuscated; Palaearctic: United Kingdom, Czechoslovakia, Finland, Germany, and Russia (including Primorskiy kray) | |
– | First tergite (sub) parallel-sided, its length 1.6–3 times its apical width; if about 1.6 times then only medially sculptured and hind tarsus yellowish; length of third antennal segment 3.8 (>)-4.7 (+) times its width, sixth and seventh segments of + less shortened; length of vein 1r-m of hind wing 0.9–1.2 times vein 1-M; length of ovipositor sheath 0.35–0.45 times fore wing (unknown in |
2 |
2. | Scapus (without radix) somewhat longer (about 1.2 times) than pedicellus; face completely smooth; first metasomal tergite 1.6–1.9 times (>) as long as its apical width; scutellum without lateral carinae, somewhat protruding dorsally; Palaearctic: Azerbaijan, Czechoslovakia | |
– | Scapus much longer than pedicellus; face with rugae or striation; first tergite 2.2–2.8 times (+) its apical width; scutellum with fine lateral carinae, not protruding dorsally | 3 |
3. | Face largely smooth, except some rugae near toruli; distance between hind ocelli much longer than diameter of posterior ocellus; first metasomal tergite short, its length 2.2 times its apical width; Palaearctic: United Kingdom, Finland, Hungary | |
– | Face punctulate and rugose, with striation partly; distance between hind ocelli equal to diameter of posterior ocellus; first metasomal tergite long, its length 2.6–2.8 times its apical width | |
– | Face punctulate and rugose, with striation partly; distance between hind ocelli equal to diameter of posterior ocellus; first metasomal tergite long, its length 2.6–2.8 times its apical width | 4 |
4. | irst metasomal tergite weakly narrowed apically, with small spiracular tubercles in basal 0.35; second tergite smooth; ovipositor sheath 0.42 times as long as fore wing; scapus 4 times as long as pedicellus; vein r-m of fore wing unpigmented; Palaearctic: Japan | |
– | First metasomal tergite parallel-sided, with large spiracular tubercles in basal 0.35; second tergite weakly sculptured basally; length of ovipositor sheath 0.33 times as long as fore wing; length of scapus 2 times length of pedicellus; vein r-m of fore wing pigmented; Oriental: China |
We thank Dr. Kees van Achterberg (Leiden) for his review and improvement of the manuscript. We also thank two anonymous reviewers for their important comments and suggestions. Funding for this study was provided jointly by the National Science Fund for Distinguished Young Scholars (30625006), the National Natural Science Foundation of China (30700063, 30970384, 30499341), and the National Special Basic Research Funds (2006FY110500-3, 2006FY120100).