Canalirogas eurycerus, Long, Khuat Dang & van Achterberg, Cornelis, 2015

Long, Khuat Dang & van Achterberg, Cornelis, 2015, Review of the genus Canalirogas van Achterberg & Chen (Hymenoptera, Braconidae, Rogadinae) from Vietnam, with description of ten new species, ZooKeys 506, pp. 27-59 : 32-34

Taxon classification Animalia Hymenoptera Braconidae

Canalirogas eurycerus sp. n. Figs 10, 27-31

Material.

Holotype, female (VNMN), ‘Rog.469’, "[C Vietnam:] Thua Thien-Hue, Nam Dong, MT, 2-6.v.2005, NQ Truong". Paratypes (2 females): 1 female (VNMN), ‘Rog.076’, "[C Vietnam:] Ha Tinh, Huong Son 18°22'N, 105°13'E, 200 m, 15.v.1998, MT, AMNH, K Long"; 1 female (RMNH), ‘Rog.642’, "[NE Vietnam:] Phu Tho, Tan Son, 21°14'N, 104°57'E, 140 m, MT, 16-20.vii.2009, NH Thao".

Description.

Holotype, female, body length 5.4 mm, fore wing length 3.9 mm.

Head. Antenna incomplete, with 37 segments remaining; third antennal segment as long as fourth; middle segments 2.8 times its width; width of face 0.8 times length of face and clypeus combined (13:16); malar space 0.8 times as long as mandible width (4:8); mandible width 0.7 times as long as hypoclypeal depression (5:7); malar suture present; distance between tentorial pits 3.5 times distance between pits and eyes (7:2; Fig. 27); in dorsal view height of eye 5.3 times as long as temple (16:3); temple narrow, in lateral view width of eye 4.7 times as long as temple (14:3); ocelli large, POL:Od:OOL=3:7:4 (Fig. 29); distance between front and hind ocelli:OOL = 3:4; face mostly smooth with sparse fine punctures; frons, vertex and temple smooth.

Mesosoma. Length of mesosoma 1.2 times as long as high (47:38); pronotal trough mainly smooth, sparsely crenulate anteriorly; precoxal sulcus short, deep and smooth; mesopleuron and metapleuron smooth (Fig. 28); mesoscutum and scutellum smooth; notauli short, crenulate anteriorly, flat and smooth posteriorly; propodeum rugose laterally with medial areola crenulate.

Wings. Fore wing: pterostigma 4.4 times as long as wide; r:2-SR:3-SR:SR1 = 8:11:22:31; vein r arising before middle of pterostigma (Fig. 31); 1-CU1:cu-a:2-CU1:3-CU1 = 2:4:21:4; posterior length of second submarginal cell 3.0 times its width (30:10). Hind wing: vein M+CU 1.1 times vein 1-M (24:22) and 3.0 times vein 1r-m (24:8).

Legs. Hind coxa smooth; length of hind femur:tibia:basitarsus:tarsus = 44:55:28:68; length of hind femur, tibia and basitarsus 4.9, 9.2 and 14.0 times their width, respectively; inner hind tibial spur 0.2 times as long as basitarsus (3:14).

Metasoma. First-second with median carinae; first tergite 1.2 times as long as apical width (28:22); medial length of second tergite 1.7 times third (25:15; Fig. 10); second suture crenulate; third and fourth with basal striation, granulate apically; ovipositor sheath 2.5 times inner hind spur (15:6); ovipositor rather slender, gradually curved (Fig. 30).

Colour. Yellow; antenna yellow, medial and subapical segments with medial pale band; palpi pale yellow; stemmaticum black; side of scutellum and axilla brown; metasoma yellow except first tergite basally and sixth tergite medially brown; propodeum dark brown but yellow medially; wings subhyaline.

Male.

Unknown.

Variation.

Antennal segments 44(1); first tergite 1.1-1.2 times as long as apical width; medial length of metasomal second tergite 1.6-1.7 times as long as third tergite medially; body length 4.4-5.6 mm; fore wing length 3.4-4.3 mm.

Etymology.

From ‘eurys’, Greek for ‘widespread’.