272 



M. W. R. de V. GRAHAM 



axillar sutures (Text-figs. 253, 255) meet the mesoscutum at least a little 

 mesad of the hind ends of the notauli, or even converge so strongly that they 

 meet (Text-figs. 202, 204) ......... 



Scutellum generally entirely smooth and polished, occasionally more or less 

 alutaceous anteriorly, but always for the most part conspicuously more 

 shiny and smoother than the mesoscutum ; scutello-axillar sutures (Text- 



esepistemu 



Figs. 202-208. Gastrancistrus spp. 202, salicis (Nees), $, thorax ; 203, compressus 

 Walker, $, pronotum, mesoscutum and scutellum ; 204, vemalis sp. n., $, thorax ; 

 205, indivisus sp. n., $, meso- and metapleura, mid and hind coxae ; 206, atropurpureus 

 Walker, $, meso- and metapleura, mid and hind coxae ; 207, vemalis sp. n., $, meso- and 

 metapleura, mid and hind coxae ; 208, alectus Walker, o\ head. 



