Gasteruption parvicollarium Enderlein, 1913

Zhao, Ke-xin, Achterberg, Cornelis van & Xu, Zai-fu, 2012, A revision of the Chinese Gasteruptiidae (Hymenoptera, Evanioidea), ZooKeys 237, pp. 1-123 : 53-58

Gasteruption parvicollarium Enderlein, 1913 Figs 174190

Gasteruption parvicollarium Enderlein, 1913: 323-324; Hedicke 1939: 27; Pasteels 1958: 183, fig. 8.

Type material.

Holotype, ♂ (DEI), "[China:] Formosa [= Taiwan], Kankau (Koshun) VII.1911, H. Sauter", “Holotypus”, " Gasteruption parvicollarium Enderl., ♂, Type, Dr. Enderlein, det. 1913", "Dtsch. Entomol. Institut Berlin".

Additional material.

1 ♀ (ZJUH), "[China:] Jiangsu, Yixing, 4.VI.1935"; 1 ♀ (ZJUH), "[China:] Zhejiang, West Mt. Tianmu, 17-18.V.1988, Xiao-ming Lou"; 1 ♀ (ZJUH), "[China:] Zhejiang, West Mt. Tianmu, 1-3.VII.2010, Qi-chao Zhao"; 1 ♂ (CAU): "[China:] Fujian, Chong'an, Mt. Xiaowuyi, 30.VI.1979, Ji-kun Yang"; 1 ♀ (RMNH), "[China:] Fujian, Fuzhou, 25.IV.1991, Nai-quan Lin"; 1 ♂ (ZJUH), "[China:] Fujian, Fuzhou, 17.IV.1991, Chang-ming Liu"; 1 ♀ (ZJUH), "[China:] Fujian, Mt. Wuyi, Dazhulan, 31.VII.1983, Jun-hua He"; 1 ♂ (ZJUH), "[China:] Fujian, Mt. Wuyi, 14.VII.1994"; 1 ♀ (SCAU), "[China:] Fujian, Jianyang, Masha, 28.IV.2012, Jun-hao Huang"; 5 ♀ + 1 ♂ (TARI), "[China:] Taiwan, Musha, 25.VI.-5.VII.1947, Maa, Chen & Lin"; 1 ♀ + 1 ♂ (TARI), "[China:] Taiwan, Makazayazaya, Heito, 9.X.1926, J. Sonan"; 1 ♂ "[China:] Hopeh [= Hebei] Prov., Sienhsien [= Xianxian], Musée Heude"; 1 ♀ (TARI), "[China:] Taiwan, Pingtung, Kenting, 22-26.III.1982, T. Lin & S.C. Lin"; 1 ♀ + 3 ♂ (TARI, RMNH), "[China:] Taiwan, Nantou, Lushan, 100 m, 27-31.V.1980, K.S. Lin & L.Y. Chou"; 6 ♂ (TARI, RMNH), "[China:] Taiwan, Nantou, Tungpu, 1200 m, 23-27.VII.1984, K.C. Chou & C.H. Yang"; 2 ♂ (TARI), "[China:] Taiwan: Nantou, Wushe, 1150 m, 7.V.1984, K.C. Chou & C.C. Pan"; 1 ♂ (TARI), id., but 17.VIII.1984; 2 ♂ (TARI), id., but 23-28.VI.1981, K.S. Lin & W.S. Tang; 1 ♂ (TARI), "[China:] Taiwan, Taitung, Chihpen, 17-18.II.1982, L.Y. Chou & K.C. Chou"; 1 ♀ (TARI), "[China:] Taiwan, Taipei, 2.XII.1968, K.H. Chang"; 1 ♂ (TARI), id., but 13.IX.1968; 1 ♀ (TARI), "[China:] Taiwan, Kuandouchi, 16-22.IV.1971, Malaise trap"; 1 ♂ (TARI), "[China:] Taiwan, KAGI, 15.III.1936, S. Toyota"; 1 ♂ (TARI), "[China:] Taiwan, Kotosho, 1-4.IV.1920, J. Sonan"; 1 ♀ (SCAU), "[China:] Ningxia, Mt. Liupan, 3-14.VII.2009, Hua-yan Chen"; 1 ♀ (SCAU), "[China:] Shanxi, Mt. Li National Nature Reserve, 26-30.VII.2012, Zhen Liu"; 1 ♀ (ZJUH), "[China:] Hubei, Wufenghouhe Nature Reserve, 11.VII.1999, Wen-jun Pu"; 2 ♀ + 1 ♂ (ZJUH), "[China:] Hunan, Liuyang, 6.V.1984 & 22.IX.1984 & 29.IV.1985, Xin-wang Tong"; 1 ♂ (ZJUH), "[China:] Guangxi, Guilin, 22.IX.1987, Jun-hua He"; 1 ♀ (ZJUH), "[China:] Guizhou, Meitan, V.1943, Ru-zuo Zhu".

Diagnosis.

Apex of ovipositor sheath black or dark brown; ovipositor sheath 0.7-1.0 times as long as hind tibia and tarsus combined, at most 0.6 times as long as metasoma and 1.2-1.7 times as long as hind tibia; head nearly “fez-shaped” in anterior view (Figs 178, 186) and conical elongate in lateral view (Figs 174, 182); first discal cell of fore wing subparallel-sided (Figs 180, 188); occipital carina narrow and non-lamelliform medio-dorsally (Figs 174, 182); antesternal carina narrow; hind tibia moderately robust (Figs 177, 185); hind basitarsus comparatively short and black; malar space 0.1 times as long as second antennal segment (= pedicellus); propodeum regularly coarsely reticulate or scrobiculate, median carina of propodeum as a slightly elevated smooth median line; eyes glabrous; mesoscutum very finely and densely coriaceous, matt and with more or less obsolescent isolated punctures (Figs 176, 184); pronotum with only angulate antero-laterally; vertex and frons with satin sheen and very finely punctulate; propleuron 0.8-1.0 times as long as mesoscutum in front of tegulae and moderately slender (Figs 175, 183); notauli very shallow and narrow in ♀ but wider and more or less crenulate in ♂ (Figs 176, 184); hind tibia entirely brown (♂ or with pale patch (♀); apical 0.1 of hypopygium of ♀ incised.

Description.

Holotype, male, body length 11 mm, of fore wing 4.9 mm.

Head. Vertex and frons with satin sheen and very densely finely punctulate (somewhat coriaceous), moderately convex and without a depression medio-posteriorly; head gradually narrowed behind eyes; temple as long as eye in dorsal view (Fig. 187); fourth antennal segment 1.4 times as long as third segment and 0.8 times as long as second and third segments combined, fifth antennal segment 1.4 times as long as third segment (Fig. 190), third antennal segment 1.7 times as long as second segment and moderately slender (Fig. 190); occipital carina narrow and non-lamelliform medio-dorsally (Fig. 182); ocelli comparatively small, OOL 1.6 times as long as diameter of posterior ocellus; face moderately wide (Fig. 186); minimum width of malar space 0.1 times as long as second antennal segment (Fig. 182); clypeus without triangular depression and slightly emarginate; eye glabrous.

Mesosoma. Length of mesosoma 1.8 times its height; pronotal side moderately low and coriaceous except for medial and subposterior crenulate grooves, antero-laterally only angularly protruding; mesoscutum slightly protruding anteriorly; propleuron comparatively slender (Fig. 183), as long as mesoscutum in front of tegulae; antesternal carina narrow and hardly lamelliform; mesoscutum very finely and densely cori aceous, matt and with more or less obsolescent isolated punctures (Fig. 184); scutellum coriaceous; propodeum regularly coarsely reticulate or scrobiculate, median carina of propodeum as a slightly elevated smooth median line.

Wings. First discal cell parallel-sided and with outer posterior corner rounded (Fig. 188).

Legs. Hind coxa rather matt, slender, coriaceous; length of hind femur, tibia and basitarsus 4.8, 5.0 and 4.4 times their width, respectively (Fig. 185), middle tarsus 1.1 times as long as middle tibia; middle femur as slender as fore femur; apical segments of hind tarsus deformed (Fig. 189).

Metasoma. Paramere dark brown.

Colour. Black or black-brown; antenna, mandible, tegulae and legs (including hind tibial spurs) dark brown or nearly so; wing membrane subhyaline; pterostigma brown.

Female (described after a female from Zhejiang). Body length 13 mm; head truncate medio-posteriorly, gradually narrowed behind eyes and weakly curved laterally (Fig. 179); temple 0.7 times as long as eye in dorsal view; vertex and frons with satin sheen and coriaceous; vertex moderately convex posteriorly and without depression medio-posteriorly; occipital carina non-lamelliform and obsolescent medio-dorsally (Fig. 174); third antennal segment 1.4 times as long as second segment, fourth antennal segment 1.3 times as long as third segment, fifth antennal segment as long as third segment (Fig. 181); eye glabrous; OOL 1.4 times as long as diameter of posterior ocellus; minimum width of malar space 0.1 times as long as second antennal segment; clypeus with indistinct triangular depression (Fig. 178); length of mesosoma 2.3 times as long as its height; propleuron matt and moderately robust, 0.9 times as long as mesoscutum in front of tegulae (Fig. 175); side of pronotum coriaceous, without a distinct antero-lateral tooth; mesoscutum coriaceous and matt (Fig. 176); medio-posteriorly weakly rugulose; scutellum coriaceous and matt; propodeum reticulate-rugose, medio-longitudinal carina distinct; hind coxa matt, slender and dorsally regularly weakly rugulose; length of hind femur, tibia and basitarsus 3.7, 4.5 and 5.6 times their width, respectively (Fig. 177); middle tarsus 1.2 times as long as middle tibia; ovipositor sheath 0.2 times as long as body, 0.3 times as long as metasoma, 0.8 times as long as hind tibia and tarsus combined and 1.3 times as long as hind tibia; hypopygium shallow v-shaped incised apically.

Variation. Male: body length 10.0-12.0 mm; third antennal segment 1.2-1.3 times as long as second segment, fourth antennal segment 1.2-1.3 times as long as third segment, fifth antennal segment 1.1-1.2 times as long as third segment. Female: body length 10.0-13.0 mm, ovipositor sheath 0.2-0.3 times as long as body, 0.3-0.6 times as long as metasoma, 0.7-1.0 times as long as hind tibia and tarsus combined and 1.2-1.7 times as long as hind tibia. Temple 0.5-0.8 times as long as eye in dorsal view; third antennal segment 1.2-1.6 times as long as second segment, fourth antennal segment 1.1-1.2 times as long as third segment, fifth antennal segment 1.0-1.2 times as long as third segment; OOL 1.4-1.6 times as long as diameter of posterior ocellus; length of mesosoma 2.3-2.6 times as long as its height; propleuron 0.8-0.9 times as long as mesoscutum in front of tegulae.

Distribution.

China (Ningxia, Shanxi, Hebei, Jiangsu, Zhejiang, Fujian, Taiwan, Hubei, Hunan, Guangxi, Guizhou).

Biology.

Unknown. Mainly collected in February–October and December.