Isegama sinica Li & Xu, sp. nov.
Creators: name: Li, Shuang-Shuang
name: Xu, Zai-Fu
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Chrysididae
Isegama
Isegama sinica

description: Isegama sinica Li & Xu, sp. nov.
(Figs 1–10)
Material examined. Holotype: ♀, CHINA: Guangxi, Nanning, Shanglin, Longshan Nature Reserve (23°24'72''N, 108°31'91''E), 1–2.VII.2011, leg. Zaifu Xu (SCAU). Paratype: 1♂, CHINA: Guangxi, Nanning, Shanglin, Longshan Nature Reserve (23°24'72''N, 108°31'91''E), 1–2.VII.2011, leg. Zaifu Xu (SCAU); 2♀, CHINA: Hainan, Bawangling National Nature Reserve (19°7'31''N, 109°14'6''E), 7–11.VII.2006, leg. Jingxian Liu & Liqiong Weng (SCAU); CHINA: Yunnan, Gaoligongshan National Nature Reserve (25°50'23''N, 98°51'23''E), 16–17.VII.2006, leg. Jie Zeng, Juanjuan Ma & Bin Xiao (SCAU).
Diagnosis. Body without metallic tints (Figs 4, 6, 8, 10); F1–F11 black with ventral side blackish-brown; head width 1.13 × as height in frontal view (Fig. 5); vertex slightly convex (Fig. 5); gena with genal carina (Figs 1, 3); pronotum shorter than mesoscutum in median length; dorsal surface of metapectal-propodeal complex with pair of polished and impunctate enclosures about as long as wide (Figs 4, 8, 9).
Description. Holotype (Figs 1–7). Female. Body length 4.9 mm; forewing length 2.9 mm; MOL=2.0 MOD; MS=3.0 MOD; OOL=0.4 MOD; POL=2.0 MOD; SD=0.6 MOD; relative length of F1:F2:F3=10.0:5.0:6.0.
Head. Head width 1.13 × as height in frontal view (Fig. 5); face and vertex polished with sparse and small punctures, 1.0–3.5 PD apart; vertex slightly convex (Fig. 5); ocellar triangle obtuse isosceles; eyes bulging and with short microtrichiae, not encircled by carina; scapal basin moderately concave, with polished median stripe and short transverse rugulae laterally; sides of lower face strongly converging; clypeus short, rounded apically; F1 2.5 × as long as wide; F2 0.6 × as long as wide; F3 0.8 × as long as wide; F11 2.3 × as long as wide.
Mesosoma. Relative ratio of median length of pronotum, mesoscutum, mesoscutellum and metanotum=5.5:7.0:3.0:3.0; pronotum slightly convex, polished with sparse and small punctures about 1.0–3.0 PD apart; mesoscutum polished with sparse and small punctures about 1.0–3.0 PD apart; mesopleuron with dense and large punctures about 0.5–1.0 PD apart on anterior two-third, with sparse and small punctures about 3.0–5.0 PD apart on posterior one-third; scrobal sulcus straight and parallel-sided; mesoscutellum polished with sparse and small punctures about 1.0–3.0 PD apart; metanotum polished with sparse and small punctures about 1.0–3.0 PD apart, median enclosure with pair of anterior pits; metapleuron polished with fine ridges below hind wing; metapectal-propodeal complex with strong transverse carina between dorsal surface and posterior surface; dorsal surface polished with pair of impunctate enclosure areas; posterior surface rugose with polished longitudinal median carina.
Metasoma. T1–T2 polished with dense and small punctures about 0.5–1.5 PD apart, with impunctate longitudinal median stripe (Fig. 6); T3–T4 polished with dense and small punctures about 0.5–1.5 PD apart.
Color. Head, mesosoma and metasoma black, without metallic tints; scape and pedicel reddish-brown; flagellomeres black with ventral side blackish-brown; mandible reddish-brown, apex dark brown; coxae dark brown, trochanters, tibiae and tarsi yellowish-brown, femora with outer surface dark brown and inner surface reddish-brown.
Variations. Female paratypes (Figs 8–10). Body length 4.8–5.0 mm; forewing length 2.8–3.0 mm.
Male. Body length 5.1 mm; forewing length 3.1 mm. Characteristics as in female expect MS=4.0 MOD, SD=1.0 MOD, relative ratio of median length of pronotum, mesoscutum, mesoscutellum and metanotum=6:7:3:3.
Distribution. Oriental part of China (Guangxi, Hainan, Yunnan).
Etymology. The new species name is referred to the type locality, China.
description: Published as part of Li, Shuang-Shuang & Xu, Zai-Fu, 2016, First record of Isegama Krombein (Hymenoptera, Chrysididae, Amiseginae) from China, with description of a new species, pp. 189-195 in Zootaxa 4189 (1) on pages 190-192, DOI: 10.11646/zootaxa.4189.1.12, http://zenodo.org/record/165730