AGEIOTES. 



513 



j a . Elytra vittate (except in A. lateralis, var.) ; hind angles of the 

 pro-thorax less produced. 

 e 6 . Prothorax usually with a black median vitta or spot, uniformly 



pubescent lateralis. f^- 



f 6 . Prothorax with two curved vittse on the disc, which are 



clothed with darker pubescence trivittatus. 



g*. Body oblong-oval or subfusiform; elytra rather short, with the suture 

 and a submarginal vitta, or the suture only, cinereo-pubescent. 

 k 5 . Hind angles of the prothorax moderately produced, not diver- 

 gent ; prothorax black, or rufous with a black discoidal patch ; 



elytra usually vittate notatus. 



I 5 . Hind angles of the prothorax longer and divergent. 



g 6 . Prothorax (in typical form) flavo-ferruginous, with a black 

 patch in front, the latter narrowing posteriorly. 

 a 7 . Elytra not vittate, the suture cinereo-pubescent ; hind 

 angles of the prothorax very long and strongly divergent, 



slightly incurved at the tip amabilis. 



ft. Elytra (in typical form) vittate, the suture and a submarginal 

 vitta cinereo-pubescent ; hind angles of the prothorax more 



acute and moderately divergent scapularis. 



h\ Prothorax (in typical form) flavo-ferruginous, with a trans- 

 verse black patch or two spots before the middle ; elytra 



comparatively short and attenuate, usually vittate .... quadrivittatus , ^ 

 i 6 . Prothorax rufo-ferruginous, with an indistinct darker patch on 

 the disc formed by brownish hairs ; elytra narrower and 



more parallel trilineatus. 



h\ Body elongate, brown; elytra long, uniformly pubescent; pro- 

 thorax with two indistinct darker marks on the disc binotatus. 



b". Margioal carina of the prothorax partly interrupted or incomplete; 

 elytra elongate ; body unicolorous, brown. 

 c"'. Prothorax longer than broad. 



i*. Basal incisures deep ; punctuation sparse and fine vaccinus. i^' 



j\ Basal incisures shallow ; punctuation closer and coarser .... longipennis. 



d'". Prothorax transverse curticollis. 



b'. Hind angles of the prothorax not carinate. 



c". Marginal carina of the prothorax entire ; prothorax transverse or about 

 as long as broad. 

 e'". Prothorax very densely punctured ; elytra sometimes with the suture 

 and sides clothed with paler pubescence : body moderately broad, 



the elytra rather short quadraticollis. 



/"'. Prothorax more sparsely punctured ; elytra with the suture and sides 



clothed with paler pubescence : body narrow, the elytra rather short, cinereiventris. 

 g'". Prothorax sparsely and finely punctured. 



k i . Elytra (<$) with the suture and sides clothed with paler pubes- 

 cence, submetallic in some specimens : length about 6-7| millim. insolitus. 

 biol. cente.-amer., Coleopt., Vol. III. Pt. ], May 1896. 3 U 



