First record of the genus Darnilia van Achterberg, 1989 (Hymenoptera: Braconidae: Rogadinae) from Vietnam, with description of three new species
Long, Khuat Dang
Achterberg, Cornelis Van
Zootaxa
2018
2018-08-09
4457
3
455
464
Long & van Achterberg
Long & Achterberg
2018
[151,702,908,934]
Insecta
Braconidae
Darnilia
GBIF
Animalia
Hymenoptera
6
461
Arthropoda
species
vietnamica
sp. nov.
Material. Holotype, female, ‘ Rog.695’ ( IEBR), NW. Vietnam: Hoa Binh, Mai Chau, Tan Son, orchard, MT, 20°43’10.3’’N 104°59’47.0’’E, 950m, 1-5.v.2010, KDLong. Paratypes, 6 females: ‘ Rog.042’ ( VNMN), NE. Vietnam: Ninh Binh, Cuc Phuong NP, 7-9.v.2002, KDLong; ‘ Rog.044’ ( IEBR), ‘ Rog.038’ ( RMNH), NE. Vietnam: Ninh Binh, Cuc Phuong NP, 7-9.v.2002, KDLong; ‘ Rog.129’ ( VNMN), NE. Vietnam: Ha Giang, Vi Xuyen, Tay Con Linh Mts. Forest, 1300m, 14.ix.2000, KDLong; ‘ Rog.480’ ( IEBR), NW. Vietnam: Hoa Binh, Yen Thuy, Lac Thinh, forest, 5.v.2002, KDLong; ‘ Rog.656’ ( IEBR), NW. Vietnam: Phu Tho, Tan Son, Xuan Dai, orchard, MT, 21°07’N 105°00’E, 120m, 10-15.ix.2009, KDLong, NHThao. Paratypes, 6 males ‘Rog.035’ (IEBR), NC. Vietnam: Ha Tinh, Huong Son, Rao An, forest, 1250m, 14.v.1998, KDLong; ‘ Rog.075’ ( RMNH), NW. Vietnam: Hoa Binh, Mai Chau, Tan Son, orchard, MT, 20°43’10.3’’N 104°59’47.0’’E, 950m, 8.x.2004; ‘ Rog.082’ ( IEBR), NC. Vietnam: Ha Tinh, Huong Son, Rao An, forest, 1250m, 14.v.1998, KDLong; ‘ Rog.086’ ( AMNH), NC. Vietnam: Ha Tinh, Huong Son, Rao An, forest, 18°22’N 106°13’E, 600m, April 7-14.1998 AMNH, KLong; ‘ Rog.493’ ( AMNH), NC. Vietnam: Ha Tinh, Huong Son, Rao An, forest, 18°22’N 106°13’E, 300m, April 20- May1.1998 AMNH, KLong; ‘ Rog.808’ ( VNMN), NE. Vietnam: Ha Giang, Vi Xuyen, Tay Con Linh Mts. 1400m, 13.ix.2000, KDLong; 1 female( RMNH), N. Vietnam: Ninh Binh, Cuc Phuong N.P., [ Malaise trap] in centre, c. 225 m, 29.vi.–18.vii.2000, Mai Phu Quy, RMNH’01.
Comparative diagnosis.Antenna long, apical antennomere acuminate; occipital carina narrowly interrupted medio-dorsally; vein 1-M of fore wing slightly curved basally; vein cu-a oblique; vein 1-M of hind wing 1.8–2.1 × as long as vein M+CU; propodeum with basal median and some curved rugae in posterior area; first metasomal tergite with complete median carina, and 1.1–1.2 × as long as its apical width; second tergite with median carina in 0.8 basal tergite; surface of first-third tergites with rather dense striae.
Description. Holotype, female, body length 4.6 mm, fore wing length 4.4 mm; antenna 8.2 mm; ovipositor sheath 0.6 mm( Fig. 23). Head.Antenna with 53 segments; middle antennomere s 3.0 × longer than wide (6:2); third antennomeres 1.1 × fourth (9:8); preapical antennomere 1.25 × apical antennomere (5:4); maxillary palp 1.5 × as long as height of head (43:29); width of face 0.9 × length of face and clypeus combined (15:16) ( Fig. 25); malar space 1.25 × as long as mandible basal width (5:4); mandible basal width 0.5 × as long as hypoclypeal depression (4:8); malar suture present ( Fig. 25); distance between tentorial pits 4.0 × distance between pits and eyes (8:2); in dorsal view, height of eye 5.0 × as long as temple (15:3); in lateral view, width of eye 4.0 × as long as temple (14:3.5) ( Fig. 26); ocelli rather large, POL:OD:OOL=2:4:3; distance between front and hind ocelli 0.7 × as long as OOL (2:3) ( Fig. 24). Face rugose; frons flat, with transverse striae near antennal sockets; vertex with fine transverse striae; temple coriaceous. Mesosoma.Length of mesosoma 1.5 × as long as high (65:43); pronotal side granulate anteriorly, smooth medio-posteriorly; mesoscutum coriaceous; notauli deep, narrow; posterior depression of mesoscutum rather deep ( Fig. 27); prescutellar sulcus with one median carina, 0.7 × as long as scutellum (6:9); scutellum granulo-punctate; precoxal sulcus wide, coarsely striate; mesopleuron smooth posteriorly, finely transverse striate dorsally; metapleuron rugose; basal half of propodeum with basal median carina, granulate basally, posterior area with curved carinae. FIGURES 23. Darnilia vietnamica sp. n.23. Habitus (holotype, female, lateral view, scale in mm), Wings.Fore wing: length 2.9 × its maximum width (130:45); pterostigma 3.45 × as long as wide (38:11); vein r arisingbefore middle of pterostigma; r:2-SR:3-SR:SR1=7:12:22:41; vein 1-M slightly curved basally; vein cu-a oblique ( Fig. 32); 1-CU1:cu-a:2-CU1:3-CU1=3:5:20:5; basal length of second submarginal 3.4 × as long as its apical width (31:9). Hind wing: length 4.8 × its maximum width (101:21); vein 1-M 2.0 × as long as vein M+CU (32:16) ( Fig. 32); vein M+CU:1-M: 1r-m=16:32:11. Legs.Length of hind femur, tibia and basitarsus 5.55, 7.5 and 9.0 × their maximum width, respectively; inner hind tibial spur 0.3 × as long as basitarsus (8:27); hind basitarsus 0.6 × as long as second-fifth tarsus (27:47); hind fourth tarsus 0.7 × fifth tarsus (8:11); hind tarsal claw with large lobe ( Fig. 29). Metasoma.First tergite 1.1 × as long as apical width (34:30) ( Fig. 28); median length of second tergite 1.9 × than third (29:15); ovipositor sheath 0.85 × as long as hind basitarsus (23:27) and 0.13 × fore wing. First metasomal tergite with complete median carina, longitudinally striate ( Fig. 28); second tergite with median carina in 0.8 basal tergite, striate as first tergite; third-fourth tergites rather coarsely striate ( Fig. 28). Colour. Yellow; scape yellow; antenna brownish yellow; palpi pale yellow; stemmaticum dark brown to black; pronotum brown dorsally; mesoscutum yellow; mesopleuron and metapleuron pale yellow; propodeum dark brown. Fore and middle legs pale yellow; hind leg yellow, except hind coxa, trochanter, trochantellus and hind femur basally pale yellow; hind tarsus brownish yellow. Fore wing vein brownish yellow; pterostigma yellow basally and apically, brownish medially; wing membrance hyaline. Firts metasomal tergite brown but yellow medio-apically; third-fifth tergites yellow medially, brown laterally but yellow latero-ventrally; ovipositor sheath yellow, hypopygium whitish yellow to ivory.
Etymology.The new species is named after the country where the holotypewas discovered ( Vietnam).
Host: Unknown.
Variation. Paratypes: females, antenna with 46–50 segments, males 38–42 segments; first tergite 1.1–1.2 (females) and 1.0–1.1 (males) × as long as apical width; body length 4.0– 5.4 mm(females), 3.0–4.2 (males); fore wing length 4.0–4.7 (females), 3.0– 3.8 mm(males); vein 1-M of hind wing (both sexes) 1.8–2.1 × as long as vein M+CU.
1917076300
IEBR
Rog. & Hoa Binh & Mai Chau & Tan Son
Vietnam
20.719528
Hoa Binh
1
104.99638
6
461
1
Hoa Binh
holotype
1917076292
2002-05-07
2010-05-05
2002-05-07
VNMN, IEBR, RMNH
Cuc Phuong NP
Vietnam
Rog.
950
Rog.
Rog.
6
461
6
6
Ninh Binh
paratype
1917076302
2000-09-14
2002-05-05
2000-09-14
IEBR
Rog. & Vietnam & Xuan Dai
Vietnam
1300
21.116667
Hoa Binh
1265
105.0
6
461
1
Hoa Binh
paratype
1917076306
1998-05-14
RMNH
Rog. & Hoa Binh & Mai Chau & Tan Son
Vietnam
1250
20.719528
Hoa Binh
1
104.99638
6
461
1
Hoa Binh
paratype
1917076301
2004-10-08
IEBR
Rog. & Ha Tinh & Huong Son & Rao An
Vietnam
950
Ha Tinh
6
461
1
Ha Tinh
paratype
1917076299
1998-05-14
AMNH
Rog. & Ha Tinh & Huong Son & Rao An
Vietnam
1250
18.366667
Ha Tinh
1275
106.21667
6
461
1
Ha Tinh
paratype
1917076296
April 7
AMNH
Rog. & Ha Tinh & Huong Son & Rao An
Vietnam
600
18.366667
Ha Tinh
1275
106.21667
6
461
1
Ha Tinh
paratype
1917076294
1920-04
AMNH, VNMN
May & Rog. & Ha Giang & Vi Xuyen & Tay Con Linh Mts
Vietnam
300
Ha Giang
6
461
1
Ha Giang
paratype
1917076313
2000-09-13
RMNH
N. Vietnam & Cuc Phuong N. P.
Vietnam
1400
Ninh Binh
6
461
1
1
Ninh Binh
paratype