338 



M. W. R. de V. GRAHAM 



(5) 



quite level with the tip of the last tergite ; thorax in profile (Text-fig. 273) 

 only slightly arched dorsally, the scutellum flat or nearly so ; head and 

 thorax black with weak bluish and bronze reflections exitnia Haliday (p. 345) 



Ovipositor sheaths rarely exserted to a length more than slightly over half that 

 of the hind tibia ; if somewhat more than this (Text-fig. 274), then the gaster 

 is relatively shorter, the tip of the hypopygium does not lie so near the 

 apex of the gaster, the thorax in profile is distinctly arched dorsally, and the 

 head and thorax are metallic green, blue- or bronze-green ... 6 



Antenna (Text-fig. 277) with fifth flagellar segment without sensilla, and with 

 only one, sometimes slightly irregular, row of bristles, twice or rather more 

 than twice as broad as long, short, its length varying from hardly one third 

 to less than half that of the first claval segment. Gaster, not counting 



281 



^^//^,^/v/,7,'V'>' 7 ''^'''^ // ^ / ^^Tl^^ 



282 



pecten 



283 



Figs. 275-283. Pirene spp. 275, bouceki sp. n., $, antenna ; 276, same, $, antenna ; 

 277, varicornis Haliday, <2, antenna ; 278, paludum sp. n., $, antenna ; 279, conjungens 

 sp. n., <J, antenna ; 280, herbacea sp. n., <J, antenna ; 281, paludum sp. n., <J, left hind 

 tibia, inner aspect ; 282, penetrans (Kirby), left hind tibia, inner aspect ; 283, graminea 

 Haliday, $, left hind tibia, inner aspect. 



