Dinapsis hirtipes, Hedqvist, 1967

Mita, Toshiharu & Shaw, Scott Richard, 2020, A taxonomic study of Dinapsis Waterson, 1922 from Madagascar (Hymenoptera Megalyridae, Dinapsini): crested wasps of the hirtipes species-group, Zootaxa 4858 (1), pp. 71-84 : 73

Key to species of the Dinapsis hirtipes species-group

1. Distal prong present on hind tibia ( Figs 5, 6 , 8–10 ).......................................................... 2

-. Distal prong absent on hind tibia ( Fig. 7 ).................................................................. 3

2. Setae on distal prong spatulate ( Figs 5 , 10 ); female body mostly brownish ( Fig. 11 )..... D. planifrons Mita & Shaw , n. sp.

-. Setae on distal prong simple ( Figs 6 , 8 ); female body mostly blackish ( Fig. 16 )............ D. scriptus Mita & Shaw , n. sp.

3. Transverse raised carina on vertex developed ( Figs 1 , 26, 27 , 29–31 ); substraight part of raised carina wide, beyond inner margin of eyes ( Fig. 40 )............................................................................... 4

-. Vertex less raised ( Figs 33, 34 , 37, 38 ); substraight part of raised carina narrow, lying on inner margin of eyes........... 5

4. Forewing with dark bands; posterior margin of raised vertex ( Fig. 40 ) and anterior margin of mesoscutum ( Fig. 41 ) excavated medially............................................................................ D. hirtipes Hedqvist

-. Forewing without dark band; posterior margin of raised vertex ( Figs 26 , 29 , 30 ) and anterior margin of mesoscutum ( Figs 25 , 29 ) flat, at most slightly excavated medially......................................... D. luteus Mita & Shaw , n. sp.

5. Dorsal surface of head rounded in lateral view ( Fig. 34 ); ovipositor whitish excluding brown apex ( Fig. 32 )....................................................................................... D. albicauda Mita & Shaw , n. sp.

-. Dorsal surface of head flattened in lateral view ( Fig. 38 ); ovipositor entirely brown ( Fig. 35 ).. D. cresta Mita & Shaw , n. sp.

Figures

FIGURES 1–6. SEM images of Dinapsis spp. 1, head in lateral view, D. luteus, n. sp., paratype male; 2, ditto, D. planifrons, n. sp., paratype female; 3, ditto, D. scriptus, n. sp., paratype female; 4, head in dorsal view, D. scriptus, n. sp., paratype female; 5, distal prong of hind tarsus with spatulate setae, D. planifrons, n. sp., paratype female; 6, ditto, simple setae, D. scriptus, n. sp., paratype female. Scale = 0.5 mm.

FIGURES 7–10. Hind tibiae of Dinapsis spp., female. 7, D. luteus, n. sp., holotype; 8, D. scriptus, n. sp., holotype (setae present on distal prong); 9, D. scriptus, paratype (seta lacking); 10, D. planifrons, n. sp., holotype. Scale = 0.5 mm.

FIGURES 11–13. Dinapsis planifrons, n. sp., holotype female. 11, lateral habitus; 12, head in dorsal view; 13, head in lateral view. Scale = 1.0 mm (11), 0.5 mm (12, 13).

FIGURES 16–19. Dinapsis scriptus, n. sp., holotype female. 16, lateral habitus; 17, mesosoma in dorsal view; 18, head in dorsal view; 19, head in lateral view. Scale = 1.0 mm (16), 0.5 mm (17–19).

FIGURES 24–27. Dinapsis luteus, n. sp., holotype female. 24, lateral habitus; 25, mesosoma in dorsal view; 26, head in dorsal view; 27, head in lateral view. Scale = 1.0 mm (24), 0.5 mm (25–27).

FIGURES 28–29. Dinapsis luteus, n. sp., paratype female. 28, lateral habitus; 29, head and mesothorax. Scale = 1.0 mm (28), 0.5 mm (29).

FIGURES 30–31. Dinapsis luteus, n. sp., paratype male. 30, head in dorsal view; 31, head in lateral view. Scale = 0.5 mm.

FIGURES 39–41. Dinapsis hirtipes Hedqvist, 1967, holotype female. 39, dorsal habitus; 40, head in dorsal view; 41, head and mesothorax in dorsal view. Scale = 1.0 mm

FIGURES 32–34. Dinapsis albicauda, n. sp., holotype female. 32, lateral habitus; 33, head in dorsal view; 34, head in lateral view. Scale = 1.0 mm (32), 0.5 mm (33, 34).

FIGURES 35–38. Dinapsis cresta, n. sp., holotype female. 35, lateral habitus; 36, propodeum; 37, head in dorsal view; 38, head in lateral view. Scale = 1.0 mm (35), 0.5 mm (36–38).