PTEROMALIDAE OF N.W. EUROPE 



399 



- Clypeus, at least mainly, striate. Marginal vein i-2 to 2 times as long as 



the stigmal vein. Hind tibia usually with one spur, a weak second spur 

 present in Dinotoides. Pronotal collar usually margined ... 91 



91 (90) Clypeus with strong striae which extend well up the face (Text-fig. 307). 



Marginal vein of fore wing about twice as long as the stigmal vein ; stigma 

 small, separated by about twice its height from costal edge of wing ; post- 

 marginal vein much shorter than the marginal vein. Pronotal collar long, 

 even medially about one fifth as long as mesoscutum 



HOBBY A Delucchi (p. 569) 



- Clypeus with finer striae which hardly extend up the face. Marginal vein 



1-2 to 1-5 times as long as the stigmal vein ; stigma often rather large ; 

 postmarginal vein about as long as the marginal vein. Pronotal collar 

 relatively shorter medially ......... 92 



92 (91) Mesoscutum (Text-fig. 316) with several shallow though distinct piliferous 



punctures amongst the reticulation ; sides of frons, and face, with rugulose- 

 reticulate sculpture. Propodeum without a distinct costula, medially only 

 about one third as long as the scutellum CECIDOSTIBA Thomson (p. 564) 



Figs. 335-338. 335, Chlorocytus pulchripes (Walker), $, postspiracular sclerite, ventral ; 

 336, Habrocytus elevatus (Walker), $, postspiracular sclerite, ventral ; 337, Psychophagus 

 omnivorus (Walker), <$, lower part of head ; 338, Pteromalus squamifer Thomson, $, 

 lower part of head. 



