626 



M. W. R. de V. GRAHAM 



(i) 



strongly transverse ; plicae of propodeum incomplete or absent. Female 



only with scutellum nearly flat .... (tetanias Walker (p. 627) 



Both sexes with pronotum (Text-fig. 515) short, the collar very short medially, 

 finely margined in front hence sharply marked off from the pronotal neck, 

 which slopes almost vertically ; antennae (Text-figs. 513, 516) with scape 

 relatively more slender, flagellum less clavate, distal segments of funicle not 

 or only slightly transverse ; plicae of propodeum usually complete, some- 

 times quite sharp. Female with scutellum relatively more convex . . 2 



Female with antennae (Text-fig. 513) inserted slightly below level of ventral 

 edge of eyes (as in adamas, text-fig. 510) ; combined length of pedicellus 

 and flagellum slightly greater than breadth of head ; flagellum more slender 

 with all the segments of the funicle subquadrate ; scutellum weakly convex, 

 as broad as long. Male with antennae inserted at or slightly below the level 

 of the ventral edge of the eyes .... achaeus Walker (p. 627) 



Female with antennae (Text-fig. 516) inserted slightly above level of ventral 



510 



514 



Figs. 510-516. Psilonotus spp. 510, adamas Walker, $, head ; 511, same, 9» body ; 

 512, same, 9> antenna ; 513, achaeus Walker, 9. antenna ; 514, hortensia Walker, 9. 

 head ; 515, same, 9, pronotum and mesoscutum ; 516, same, 9. antenna. 



