204 ENTOMOLOGICAL SOCIETY 



7. Abdomen petiolate 8 



Abdomen sessile. 



Abdomen elongate, conically produced or acuminate at apex; 

 postmarginal vein well developed. 



Scutellum with a transverse grooved line before tip; head 

 with rounded, convex cheeks. 



Pronotum large, nearly quadrate. 



25. Merostenus Walk. 

 (= Pterolytus Ratzb.) 



Pronotum transverse 26. Trigonoderus Westw. 



Pronotum very short, visible from above as a fine 

 transverse line. 



Metanotum with a sharp median carina; an 

 tennae i3-jointed ; middle tibise normal. 



27. Anoglyphis Forst. 



Metanotum short; antennae 14-join ted ; mid 

 dle tibiae much lengthened. 



28. Macromesus Walk. 

 Scutellum without a transverse grooved line before tip; 



head triangular, narrowed anteriorly. 

 Middle tibiae not dilated at apex. 



29. Platygerrhus Thorns. 

 Middle tibiae dilated at apex, their tarsi broad at 



base 30. Pegopus Forst. 



= Prosopon Walk. 

 Abdomen short, broadly oval, flat above, convex beneath. 



Body entirely covered with rather dense white, scale-like 

 hairs; front wings bare with the postmarginal vein 

 wanting, the stigmal vein angularly bent and ending in a 

 small subrotund knob 31. Eutrichosoma Ashm. n. g. 



8. Scutellum without a transverse grooved line before the tip. 



32. Photismus Thorns. 



Males. 



Anterior femora less distinctly swollen and not excised dentate be 

 neath 5 



Anterior femora much swollen or excised dentate beneath. 



Pronotum not much narrowed, and always wider than long 2 

 Pronotum much narrowed and lengthened, longer than wide. 



Front femora greatly swollen, but not excised dentate be 

 neath ; abdomen clavate, depressed. .7. Heydenia Forst. 

 Front femora much swollen, and excised dentate beneath. 



8. Lycisca DeRomand. 



2. Eyes bare 4 



Eyes pubescent. 



Abdomen carinate along the sides 9. Epistenia Westw. 



