WEEVILS OF GENUS TACHYGONTJS — ^MONTE 



221 



two segments ferruginous and the last two yellow, all covered by 

 dense white hairs. 



Underside of body dark. 



Length 1.82 mm. ; width 1.30 mm. 



Ty^e.— U.S.N.M. No. 58192. 



One specimen from Guapiles, Santa Clara, Costa Kica, collected by 

 F. Nevermann, February 17, 1924. 



Perfectly distinct from all described species. 



TACHYGONUS ATRO-SIGNATUS, new species 



Figure 28 



General color brown, elytra lighter than prothorax and marked 

 with dark patches of which the largest is close to the shoulder. 



Head light brown with a small, dark, median patch close to eyes, 

 and laterally with numerous white scales. 



Figure 27. — Tachygonus ferrugineus, 

 new species, X5. 



Figure 28. — Tachygonus atro-signatus, 

 new species, X5. 



Rostrum rather stout, brown, darker medially, strongly pitted at 

 sides. Antennae yellowish, club whitish and covered with silky hairs. 



Prothorax ferruginous, dorsum dark and with wide but shallow pits 

 and erect brown hairs ; flanks with abundant whitish-yellow scales. 



Elytra with deep pits and raised interstices, pale ferruginous, tinged 

 with black near shoulders, laterally, and a little posterior to the 

 postscutellar patch; postscutellar patch formed of white, pectinate 

 scales; apical part of the suture with yellowish-white crossed setae. 

 Flanks of meso- and metathorax with pectinate white scales. 



Front and middle legs yellowish ; hind legs ferruginous. Posterior 

 femora with numerous small tubercles and with four big teeth, two 



