Darnilia vietnamica Long & van Achterberg, 2018

Long, Khuat Dang & Achterberg, Cornelis Van, 2018, First record of the genus Darnilia van Achterberg, 1989 (Hymenoptera: Braconidae: Rogadinae) from Vietnam, with description of three new species, Zootaxa 4457 (3), pp. 455-464 : 461-462

publication ID

https://doi.org/ 10.11646/zootaxa.4457.3.7

publication LSID

lsid:zoobank.org:pub:B78B6D76-7DE9-4D24-80B2-E07C271EA616

DOI

https://doi.org/10.5281/zenodo.5964337

persistent identifier

https://treatment.plazi.org/id/002B87F3-FFC2-FFE2-FBE2-FC1DFABB0BC5

treatment provided by

Plazi

scientific name

Darnilia vietnamica Long & van Achterberg
status

sp. nov.

Darnilia vietnamica Long & van Achterberg , sp. n.

( Figs 23–32 View FIGURES 23 View FIGURES 24–32 )

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 GoogleMaps , 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 GoogleMaps , 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 GoogleMaps , 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 GoogleMaps , 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 GoogleMaps , 300m, April 20 - May 1.1998 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 View FIGURES 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 View FIGURES 24–32 ); 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 View FIGURES 24–32 ); 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 View FIGURES 24–32 ); 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 View FIGURES 24–32 ). 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 View FIGURES 24–32 ); 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.

Wings. Fore wing: length 2.9 × its maximum width (130:45); pterostigma 3.45 × as long as wide (38:11); vein r arising before 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 View FIGURES 24–32 ); 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 View FIGURES 24–32 ); 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 View FIGURES 24–32 ).

Metasoma. First tergite 1.1 × as long as apical width (34:30) ( Fig. 28 View FIGURES 24–32 ); 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 View FIGURES 24–32 ); second tergite with median carina in 0.8 basal tergite, striate as first tergite; third-fourth tergites rather coarsely striate ( Fig. 28 View FIGURES 24–32 ).

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 holotype was 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.

VNMN

Vietnam National Museum of Nature

RMNH

National Museum of Natural History, Naturalis

AMNH

American Museum of Natural History

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Braconidae

Genus

Darnilia

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