BY REV. T. BLACKBURN. 171 



F. The elytral rugulosity runs in closely 



packed longitudinal lines intermedia , Blackb. 



FF. The elytral rugulosity not longi- 



tudinally placed latissivia, Blackb. 



EE. Puncturation of elytra, at any rate on 

 front half, very distinct. 

 F. Under surface deep black, with or 

 without sharply defined yellow 



variegation hella, Blsickh. 



FF. Under surface brown or testaceous, 



clouded or not with somewhat 



darker shades. 



G. Form moderately convex (height, 



viewed from the side, scarcely 



more than ^ length of body). 



H. Sculpture of pronotum fully as 



coarse in cegrota, Boisd rnbidipes, Blackb. 



HH. Sculpture of pronotum much 



less coarse variegata, Blackb. 



GG. Form much more strongly convex 



when viewed from the side Latona, Blackb. 



DD. Puncturation of pronotum much more 

 regular, usually much closer and not 

 or scarcely acervate. 

 E. Pronotum not having a lateral depression 

 about the beginning of the coarsely 

 punctured part (puncturation of elytra 



extremely close) glanca, Blackb. 



EE. Pronotum having a lateral depression, 

 if lateral depression feeble, then 

 elytral puncturation sparse. 

 F. Lateral inequality of prothoracic out- 

 line is a deep angular notch. 

 G. Elytra dilated hindward from base 



almost to apex mutabilis, Blackb. 



GG. Greatest width of elytra much 

 nearer middle of their length. 



I. Elytral puncturation sparse (as 



much so as in ohsoleta, Marsh. ) mystica, Blackb. 



II. Elytral puncturation consider- 



ably closer. 



