PTEROMALIDAE OF N.W. EUROPE 



279 



moderate-sized. Mesoscutum and scutellum with delicate sculpture which 

 is engraved, or at most hardly raised above the general surface in places . 30 



23 (22) Fore wing (Text-fig. 231) with stigma very large, subcircular, separated by 

 less than its own height from the lower edge of the postmarginal vein ; basal 

 cell bare. Propodeum smooth or virtually so, without a median carina ; 

 callus with two to four bristles. Mesoscutum with delicate engraved 

 sculpture ; inner angle of axilla more or less smooth and shiny. Female 

 gaster lanceolate, somewhat compressed, longer than head plus thorax ; 

 ovipositor sheaths projecting, their exserted portion about as long as the 

 first segment of the hind tarsus or slightly more . clavatus (Thomson) (p. 296) 

 - Fore wing (Text-figs. 230, 232, 233) with stigma usually smaller and differently 



shaped ; basal cell with scattered hairs over its distal half or more. Pro- 

 podeum nearly always with a median carina, often more or less reticulate ; 

 callus often with numerous bristles. Mesoscutum with its sculpture at most 

 partly engraved, otherwise scaly or very slightly raised above the general 

 surface ; inner angle of axilla rarely smooth ...... 24 



234 



236 



235 



Figs. 229-238. Gastrancistrus spp. 



venation ; 231, clavatus (Thomson), $, fore wing venation 

 wing venation ; 233, salicis (Nees), $, fore wing venation 

 235, coactus sp. n., $, head, frontal ; 236, same dorsal 

 238, praecox sp. n., 9, head. 



229, vernalis sp. n., $, antenna ; 230, same, fore wing 



^ o fr>r» wincr vpnaHnti ; 232, praecox sp. n., $, fore 



234, fulvicoxis sp. n., $, head ; 



237, salicis (Nees), $, head ; 



