M. W. R. de V. GRAHAM 





II 



253 



255 



258 



259 



260 



Figs. 253-267. Gastrancistrus spp. 253, laticornis Walker, <j>, thorax ; 254, amaboeus 

 Walker, $, fore wing, part ; 255, hemigastersp. n., $, thorax ; 256, same, fore wing, part ; 

 257, same, <2, antenna ; 258, amaboeus Walker, $, clypeus ; 259, viridis Walker, <2, 

 clypeus ; 260, vagans Westwood, <2, clypeus ; 261, terminalis Walker, $, fore wing vena- 

 tion ; 262, laticeps sp. n., $, forewing venation ; 263, crassus Walker, $, forewing vena- 

 tion ; 264, puncticollis (Thomson), $, fore wing venation ; 265, indivisus sp. n., $, fore wing 

 venation ; 266, compressus Walker, $, fore wing venation ; 267, glabellus (Nees), $, 

 fore wing venation. 



