Six new braconid wasps of the genus Colastomion Baker, 1917 (Hymenoptera: Braconidae: Rogadinae) from Vietnam Author Oanh, Nguyen Thi 0000-0002-3265-0580 Dong Thap University, Cao Lanh City, Dong Thap, Vietnam & ntoanh @ dthu. edu. vn; https: // orcid. org / 0000 - 0002 - 3265 - 0580 ntoanh@dthu.edu.vn Author Dzuong, Nguyen Van 0000-0003-2363-0088 Tay Bac University, Son La City, Vietnam & duongdhtb @ gmail. com; https: // orcid. org / 0000 - 0003 - 2363 - 0088 duongdhtb@gmail.com Author Long, Khuat Dang Institute of Ecology & Biological Resources (IEBR), Vietnam Academy of Science & Technology (VAST), 18 Hoang Quoc Viet Road, Cau Giay, Ha Noi, Vietnam Author Lam, Pham Van 0000-0002-6238-8800 National Institute of Plant Protection (NIPP), Duc Thang, Bac Tu Liem District, Ha Noi, Vietnam & gdct _ lam @ yahoo. com; https: // orcid. org / 0000 - 0002 - 6238 - 8800 gdct_lam@yahoo.com Author Nhi, Pham Thi 0001-0002-9304-9863 Institute of Ecology & Biological Resources (IEBR), Vietnam Academy of Science & Technology (VAST), 18 Hoang Quoc Viet Road, Cau Giay, Ha Noi, Vietnam & ptnhi 2 @ yahoo. com; https: // orcid. org / 0001 - 0002 - 9304 - 9863 ptnhi2@yahoo.com Author Hoa, Dang Thi 0000-0002-8312-2825 Institute of Ecology & Biological Resources (IEBR), Vietnam Academy of Science & Technology (VAST), 18 Hoang Quoc Viet Road, Cau Giay, Ha Noi, Vietnam & danghoa. iebr @ gmail. com; https: // orcid. org / 0000 - 0002 - 8312 - 2825 danghoa.iebr@gmail.com text Zootaxa 2021 2021-09-21 5040 2 215 237 journal article 10.11646/zootaxa.5040.2.3 1175-5326 10117560 2951D97F-F2D9-4434-A9D1-BCC3A5FFA4A4 Colastomion vietnamense Long , sp. n. Figs 68–83 Material examined. Holotype , ♀ ( IEBR ), “Rog. 483 ”, NE Vietnam : Ha Giang , Vi Xuyen , Ngoc Duong , forest path, 22° 40’ 58.16” N 104° 58’ 59.736” E , sweep, 18.x.2006 , KD Long . Paratypes : 6 ♀ ( IEBR ), “Rog. 200 ”, N Vietnam : Ninh Binh , Cuc Phuong NP , forest, 20°20’N 105°35’E , 200m , sweep, 20–30.vi.2002 , KD Long ; “Rog. 235 ”, ibid. but 10–20.ix.2002 , KD Long ; “Rog. 482 ”, NE Vietnam : Ha Giang , Vi Xuyen, Dao Duc, forest path, 22.7280° N 104.9739° E , sweep, 20.x.2006 , KD Long ; “Rog. 1025 ”, NE Vietnam : Tuyen Quang , Na Hang, Thanh Tuong, forest, MT , 22°19’N 105°24’E , 162m , 10.vii.2017 , KD Long ; “Rog. 1085 ”, “Rog. 1086 ”, NE Vietnam : Tuyen Quang , Na Hang, Son Phu, forest, MT , 22°17’32’’N 105°28’19’’E , 570m , 15.viii.2018 , KD Long ;; Paratypes : 8 ♂ ( IEBR ), “Rog. 070 ”, NC Vietnam : Ha Tinh , Huong Son , forest, MT , 18° 22’ N 106° 13’ E , 300–400 m , 13–19.iv.1998 , AMNH , KLong; “Rog. 198 ”, “Rog. 203 ”, N Vietnam : Ninh Binh , Cuc Phuong NP , forest, MT , 20°23’N 105°34’E , 315m , 1–10.vii.2002 , KD Long ; “Rog. 274 ”, ibid., but 10–20.ix.2002 , KD Long ; “Rog. 364 ”, “Rog. 365 ”, NW Vietnam : Lai Chau , Tam Duong, Lai Nhi Thang, forest, 22.3317° N 103.6189° E , 09.x.2005 , KD Long ; “Rog. 597 ”, NE Vietnam : Ha Giang , Quang Binh , Yen Thanh, 22.4203° N 104.5306° E , sweep, 25.x.2008 , KD Long ; “Rog. 661 ”, NW Vietnam : Phu Tho , Tan Son, Xuan Dai, fruit orchard, MT , 21°07’N 105°00’E , 120m , 1–5.vii.2009 , KD Long . Morphology. Holotype , ♀ , body length 7.8 mm , fore wing length 6.2 mm , antenna 9.1 mm ( Fig. 68 ). Head. Antenna with 52 flagellomeres; middle antennomeres 2.7 × longer than wide (8: 3); 3 rd antennomere 1.1 × fourth (10: 9); 3 rd segment of maxillary palp 4.0 × longer than maximally wide (12: 3); 5 th segment as long as 6 th ; width of face 1.2 × length of face and clypeus combined (20: 17); width of face: height of eye = 2.0: 2.7; malar space 1.6 × as long as basal width of mandible (8: 5); basal width of mandible 0.5 × as long as hypoclypeal depression (8: 15); distance between tentorial pits 3.7 × distance between pit and eye (11: 3) ( Fig. 69 ); in dorsal view, height of eye 2.85× as long as temple (20: 7); in lateral view, width of eye 2.0 × as long as temple (16: 8) ( Fig. 74 ); ocelli large, POL: OD: OOL = 3: 6: 3; distance between front and hind ocelli as long as OOL (3: 3) ( Fig. 70 ); occipital carina narrowly obliterated medio-dorsally; face rugulose ( Fig. 69 ); frons flat, coriaceous medially, with sparse convergent striae laterally ( Fig. 70 ); vertex and temple almost smooth. Mesosoma. Length of mesosoma 1.5 × as long as high (60: 41); precoxal sulcus smooth, sparsely crenulate anteriorly; precoxal sulcus short, coriaceous; mesopleuron smooth; metapleuron rugo-punctate; mesoscutum coriaceous with a smooth medial depression posteriorly between notauli ( Fig. 75 ); notauli narrow and deep anteriorly, flat posteriorly; scutellar sulcus 0.4 × as long as scutellum (6: 14) with one carina; scutellum smooth; propodeum short with basal carina, coriaceous laterally, with narrow median depression, which crenulate posteriorly ( Fig. 72 ). Fore wing . Pterostigma 4.75 × as long as wide (57: 12); vein M+CU1 distinctly weakly curved subapically; vein cu-a postfurcal; vein r arising far before middle of pterostigma; vein cu-a reclivious ( Fig. 76 ), 2-CU1 6.0 × longer than 1-CU1; SR1: 3-SR: r = 49: 37: 12; vein 2-SR 4.5 × 2-SR+M (18: 4); 1-CU1: cu-a: 2-CU1: 3-CU1 = 6: 8: 36: 7; basal length of second submarginal cell 3.5 × as long as its apical width (49: 14). Hind wing : Vein M+CU 1.15 × length of 1-M (31: 27); M+CU: 1-M: 1r-m = 31: 27: 16; vein 2-SC+ R quadrate ( Fig. 77 ); vein SR almost straight throughout. Legs. Hind coxa shiny smooth; femur: tibia: basitarsus: tarsus 1–5 = 60: 76: 45: 102; length of hind femur, tibia and basitarsus 6.0, 10.85 and 15.0 × as long as their width respectively; middle tibial spur curved and outer side setose basally; apex of hind tibia with comb of specialized setae at inner side. FIGURES 68–77 . Colastomion vietnamense Long , sp. n. , female, holotype. 68 Habitus 69 Head (frontal view) 70 Head (dorsal view) 71 Hypopygium (lateral view) 72 Propodeum 73 First-third metasomal tergites 74 Head (lateral view) 75 Mesonotum (dorsal view) 76 Fore wing 77 Hind wing. FIGURES 78–83 . Colastomion vietnamense Long , sp. n. , male, paratype. 78 Fore wing 79 Hind wing 80 Second-fifth metasomal tergites 81 First-second metasomal tergites 82 Head (lateral view) 83 Maxillary palp. Metasoma. First tergite 1.8 × apical width (51: 29); first tergite with midlongitudinal carina on basal 0.85 (35: 41) of tergite, rugo-striate ( Fig. 73 ); 2 nd metasomal tergite with small midbasal triangular area giving rise to sinuate longitudinal carina ( Fig. 73 ); 2 nd tergite 1.3 × its basal width (38: 30), midlongitudinal carina on basal 0.8 (30: 38) of tergite, and 1.3 × 3 rd tergite (38: 29); 2 nd metasomal tergite 0.8 × wider than medially long (30: 38), with longitudinally striate with approximately 7 striae lateral to midlongitudinal carina; 3 rd metasomal tergite 0.7 × its basal width (29: 41), rugo-striate, rugo-punctate extremely apically ( Fig. 73 ); fourth tergite finely rugo-striate basally, sparsely punctate apically; fifth-sixth tergites sparsely punctate; hypopygium evenly convex with sparse setae ( Fig. 71 ); ovipositor sheath obiquely setose; ovipositor smooth apically, with three ventral teeth subapically distal to apex ( Fig. 71 ). FIGURES 84. Distribution map of Colastomion species in Vietnam. C. as. Colastomion asperum , sp. n. ; C. ce. Colastomion cephonodes , sp. n. ; C. ci. Colastomion citrum , sp. n . ; C. ne. Colastomion neuterum , sp. n. ; C. ni. Colastomion nigroconfusum , sp. n. and C. vi. Colastomion vietnamense , sp. n. FIGURE 85. Cephonodes hylas moth, host of Colastomion cephonodes , sp. n. (habitus) Coloration. Body yellow; antenna and palpi pale yellow; stemmaticum black; pterostigma brownish yellow medially, pale yellow basally and apically; wing membrane hyaline, smoky yellow apically and surrounding wing veins ( Fig. 76 ). Male. ( Paratype ): Antenna with 47–49 antennomeres; body length 5.3–6.5 mm ; fore wing 4.6–5.1 mm ; 3 rd segment of maxillary palp 1.5 × longer than maximally wide (12: 8); 5 th segment 0.9 × length of 6 th ( Fig. 83 ); width of face: height of eye = 1.6: 2.4; fore wing vein 2-SR 4.7 × 2-SR+M ( Fig. 78 ); second submarginal cell elongate, basal length 3.5 × as long as its apical width ( Fig. 78 ); hind wing vein 2-SC+ R quadrate or subquadrate ( Fig. 79 ); second-third metasomal tergites sparsely striate ( Figs 80, 81 ). Etymology. The new species is named after the country ( Vietnam ), where the holotype was discovered. Biology. Unknown. Distribution. N Vietnam ( Ninh Binh ); NE Vietnam ( Ha Giang , Tuyen Quang ); NW Vietnam ( Lai Chau , Phu Tho ); NC Vietnam ( Ha Tinh ).