Review of the genus Wroughtonia Cameron, 1899 (Hymenoptera, Braconidae, Helconinae), with the description of 12 new species from Vietnam Author Long, Khuat Dang Author Van Achterberg, Cornelis Author Carpenter, James M. Author Oanh, Nguyen Thi text American Museum Novitates 2020 2020-06-16 2020 3953 1 56 https://bioone.org/journals/american-museum-novitates/volume-2020/issue-3953/3953.1/Review-of-the-Genus-Wroughtonia-Cameron-1899-Hymenoptera-Braconidae-Helconinae/10.1206/3953.1.full journal article 10.1206/3953.1 0003-0082 5370347 WROUGHTONIA CAMERON (based on females) 1. Mandible bent ventrally (fig. 3); malar suture almost absent; occipital carina faint mediodorsally (fig. 2); vein 2-SC+R hind wing vertical (fig. 13); subgenus Neowroughtonia , ................................................................. W. angularis – Mandible evenly curved ventrally (figs. 16, 40, 50, 61); malar suture present; occipital carina complete mediodorsally; vein 2-SC+R of hind wing horizontal (figs. 22, 37, 125), but vertical in W. vietnamica (fig. 135); subgenus Wroughtonia Cameron. ...........2 2. Frontal protuberance between antennal sockets with distinct ledge halfway and blunt dorsally (fig. 127)..............................................................3 – Frontal protuberance between antennal sockets lamelliform, acute dorsally, without ledge (figs. 41, 66)...............................................................10 3. Hind femur comparatively short and robust, 3.2–3.8 × as long as its maximum width (measured without tooth or serrations), and rugose-punctate dorsolaterally (figs. 36, 133)... 4 – Hind femur longer and slenderer, 4.5–5.0 × as long as its maximum width (measured without tooth or serrations), and finely punctate dorsolaterally (figs. 140)...............6 4. Hind femur without ventral tooth-shaped protuberance (fig. 36); second metasomal tergite sculptured (fig. 34)................................................. W. coffeana – Hind femur with ventral tooth-shaped protuberance (figs. 79, 133); second metasomal tergite smooth (figs. 81, 132)..................................................5 5. Ventral tooth-shaped protuberance of hind femur blunt (fig. 133); hind femur 3.2 × longer than its maximum width (measured without tooth); medially second tergite distinctly shorter than third tergite (fig. 132); vein 2-SC+R of hind wing vertical (fig. 135); antennal segments 10–24 cream white. Body length 8.6 mm . Vietnam . W. vietnamica – Ventral tooth-shaped protuberance of hind femur acute (fig. 79); hind femur 3.8 × longer than its maximum width (measured without tooth); median length of second tergite slightly longer third tergite (fig. 81); vein 2-SC+R of hind wing transverse (horizontal); antennal segments 13–19 cream white. Body length 7.8 mm . Vietnam ..... W. plana 6. Scutellum with distinct subposterior crest and protruding dorsally (fig. 139); hind femur long, hind femur 5.0 × longer than its maximum width (measured without tooth or serrations); first metasomal tergite pale yellow (fig. 138); antennal segments 11–20 cream white. Body length 8.8–8.9 mm . India , Vietnam ........ W. cornuta Cameron – Scutellum without subposterior crest; hind femur shorter, hind femur 4.0–4.5 × longer than its maximum width (measured without tooth or serrations) (but 4.7 × in elongata ); first metasomal tergite dark brown or yellowish brown; antennal segments 12–23 cream white..............................................................7 7. First metasomal tergite distinctly narrowed apically (fig. 46); second metasomal tergite parallel-sided, smooth (fig. 46), medially tergite 1.5 × longer than its basal width; vein 1-M of hind wing 1.2 × as long as 1r-m. Body length 13.5 mm . Vietnam .. W. elongata –First metasomal tergite widened apically (figs. 68, 90; Yan et al., 2017 : fig. 24D); second metasomal tergite more or less widened posteriorly, with sparse punctures at least basolaterally, medially tergite 0.7–0.8 × longer than its basal width; vein 1-M of hind wing 0.4–0.6 × as long as 1r-m..............................................8 8. In dorsal view eye 1.5 × longer than temple; propodeum without basal carina and areola, largely areolate-rugose (fig. 89); vein 3-SR of forewing 2.0 × longer than vein r (fig. 91); second tergite almost smooth, only with scattered fine punctures (fig. 90). Body length 11.0 mm. Vietnam .......................................... W. similis – In dorsal view eye 1.8–2.0 × longer than temple; propodeum with basal carina and areola (fig. 67; Yan et al., 2017 : fig. 24C); vein 3-SR of forewing 1.2–1.5 × longer than vein r; second tergite punctate baso-laterally (fig. 68) or medially ( Yan et al., 2017 : fig. 24D).................................................................. 9 9. Hind femur finely punctate ( Yan et al., 2017 : fig. 24E) and its ventral tooth-shaped protuberance acute; first metasomal tergite punctate-reticulate subapically. Body length 8.8 mm . China , Vietnam ................................. W. unicornis (Turner) – Hind femur rugose-punctate (fig. 66) and with blunt ventral tooth-shaped protuberance (fig. 66); first metasomal tergite nearly smooth subapically (fig. 68). Body length 8.4 mm . Vietnam ..................................................... W. laevis 10. Median length of first tergite 1.3–1.5 × its apical width (figs. 100, 124).......... 11 – Median length of tergite 1.0–1.1 × its apical width (figs. 23, 55, 112)...............13 11. Hind femur without tooth-shaped protuberance and area behind it distinctly concave (fig. 101)...................................................... W. simulata – Hind femur with tooth-shaped protuberance and area behind it slightly concave (fig. 122; Yan et al., 2017 : fig. 25D).............................................12 12. Vein SR of hind wing sinuate (fig. 125); vein 1-M of hind wing 0.3 × as long as 1r-m (fig. 125); ventral tooth-shaped protuberance of hind femur blunt and situated distal from middle of femur (fig. 122); second metasomal tergite smooth........................... W. undulata – Vein SR of hind wing slightly curved; vein 1-M of hind wing 0.7 × as long as r-m; ventral toothshaped protuberance of hind femur acute and situated near middle of femur (fig. 25D in Yan et al. 2017 ); second metasomal tergite with convergent striae ( Yan et al., 2017 : fig. 25C)................................................................. W. varifemora Yan and Chen 13. Hind femur with tooth-shaped protuberance ventrally (fig. 54).............. W. hatinhensis – Hind femur without tooth-shaped protuberance ventrally (figs. 25, 101).................... 14 14. Hind femur without distinct ventral serrations; dorsal carinae of first tergite almost up to apex of tergite (fig. 17C in Yan et al. 2017 ); third metasomal tergite narrowly rugose-punctate in basal 0.7 of tergite; antenna pale yellow basally, without cream white band. Body length 6.3 mm . China , India , Vietnam ............................................ W . indica (Singh et al.) – Hind femur with distinct ventral serrations (figs. 25, 101, 111); dorsal carinae of first tergite in basal 0.6–0.7 of tergite; third metasomal tergite smooth (figs. 23, 100, 112); antenna brown, with cream white band................................................................... 15 15. Frontal protuberance bifurcate dorsally............................................... 16 – Frontal protuberance single and acute (figs. 15, 105)...................................... 17 16. Vein r of forewing distinctly longer than vein 3-SR; hind femur densely punctate dorsolaterally ( Yan et al., 2017 : fig. 10E); first metasomal tergite evenly punctate; antenna of female yellowish brown basally, with 11 white segments submedially. Body length 7.2 mm . China , Vietnam ................................................... W . bifurcata Yan and van Achterberg – Vein r of forewing shorter or subequal to vein 3-SR; hind femur largely rugose-punctate dorsolaterally ( Yan et al., 2017 : fig. 13E); first metasomal tergite foveolate medially; antenna of male yellowish brown basally and without white band submedially; antenna of female with segments 12–14 white submedially (some Vietnamese female specimens have only antennal segments 17 and 18 white). Body length 7.0–8.0 mm. China , Vietnam .......................................................................................... W . brevicarinata Yan and Chen 17. Frontal protuberance nearly triangular; propodeum with emarginate areola (fig. 110); frons and temple shiny, smooth (figs. 105, 107); dorsal carinae of first tergite in basal 0.3 of tergite; vein 3-SR of forewing 1.1 × as long as vein r (fig. 114); first tergite pale yellow. Body length 6.0– 7.8 mm . Vietnam .......................................................... W.sonla – Frontal protuberance wide triangular or acute; propodeum without areola, coarsely rugose (fig. 21); frons laterally and temple ventrally rugose (figs. 15, 17); dorsal carinae of first tergite in basal 0.6–0.7 of tergite; vein 3-SR of forewing 0.6 × as long as vein r (fig. 20); first tergite brown. Body length 11.4 mm . Vietnam ................................................ W. aspera