WEEVILS OF GENUS TACHYGONUS — ^MONTE 



219 



Similar to T. rugosipennis Hustache but differs by having the fem- 

 ora more pointed and the femoral teeth differently placed, the scal- 

 ing denser and the elytra somewhat narrower. Differs from T. scu- 

 tellaris Kirsch in the pectinate scales of abdomen, by the posterior legs 

 being totally black, and by the nonflattened tibiae. 



TACHYGONUS CASEYI Champion 



Two specimens, Bequeren, Puerto Rico, Cabassa Finca, R. G. Oakley, 

 collector. On Guacima guacima. Heretofore known from Mexico 

 and Guatemala. 



TACHYGONUS NIGER, new species 



Figure 26 



Shining black, the first two pairs of legs light brown. Rostrum 

 ferruginous, dark at base, smooth and shining, slightly pitted at sides 

 and with a small depression at base. 



Head rugose, with a few scales laterally. Antennae yellowish, with 

 a silky white club. 



Figure 25. — Tachygonus comptus, 

 new species, X5. 



Figure 26. — Tachygonus niger, new 

 species, X5. 



Dorsum of prothorax smooth, shallowly pitted and with some fine 

 hairs; flanks covered with pectinate white scales. 



Elytra wide, with salient shoulders, strongly pitted and with whitish 

 yellow hairs over whole surface and with setae of same color on de- 

 clivity. The white pectinate scales in postscutellar spot every dense. 

 Flanks of meso- and metathorax covered with same type of scales, 

 these more numerous on mesothorax. 



Hind femora long, granulated, with light and dark hairs, armed 

 with numerous small teeth reduced to tubercles and with three well- 

 developed teeth, a subapical pair and one submedian tooth; there are 



