Wroughtonia, CAMERON

Long, Khuat Dang, Van Achterberg, Cornelis, Carpenter, James M. & Oanh, Nguyen Thi, 2020, Review of the genus Wroughtonia Cameron, 1899 (Hymenoptera, Braconidae, Helconinae), with the description of 12 new species from Vietnam, American Museum Novitates 2020 (3953), pp. 1-56 : 50-52

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