AET. 31 BUPRESTID BEETLES FROM BOLIVIA FISHER 9 



tenal cavities ; epistoma broadly arcuately emarginate in front, with 

 a small obtuse median tooth, and the lobes on each side broadly 

 rounded. Pronotum strongly transverse and feebly convex, two 

 times as wide as long, apex and base about equal in width, widest 

 at about apical third; sides broadly rounded at apical third, then 

 arcuately attenuate to the posterior angles, which are nearly rec- 

 tangular; anterior margin deeply arcuately emarginate, without a 

 median lobe ; base nearly truncate, with an obsolete broadly rounded 

 lobe at middle; surface with two broad transverse depressions, one 

 along the anterior margin, the other along the base, the latter being 

 more deeply depressed and extending to near the lateral margins, 

 finely, sparsely punctate, and the entire surface rather densely 

 covered with coarse rugae, which are very irregular in shape, and 

 becoming more or less transverse on the disk, the intervals finely 

 and densely granulose. Scutellum small, triangular, the sides 

 about equal in length, and the surface obsoletely granulose. Elytra 

 distinctly wider than pronotum at base; sides broadly rounded at 

 humeral angles, nearly parallel to behind the middle (strongly 

 concave at basal third), where they are broadly rounded, then 

 strongly obliquely attenuate to the tips, which are very acute and 

 terminating in a short, acute tooth, lateral margins entire, or at 

 most only obsoletely serrate; each elytron strongly lobed at base, 

 with a broad, deep basal depression, but without longitudinal 

 costae; surface finely, densely and rather regularly punctate, the 

 punctures coarser and strongly rugose in the green colored areas, 

 the intervals obsoletely rugose at base, becoming smooth and shin- 

 ing toward apex. Abdomen beneath feebly convex, finely, very 

 sparsely and scabrously punctate, becoming more or less rugose at 

 the sides; intervals smooth at middle, and densely granulose to- 

 ward the sides; last segment armed on each side with an obtuse 

 tooth, and broadly truncate at apex. Prosternum feebly convex; 

 anterior margin truncate, with an obsolete lobe on each side, the 

 margin, as well as those around coxal cavities strongly elevated; 

 surface strongly depressed behind the anterior margin and in front 

 of coxal cavities, causing the surface to be abruptly elevated on each 

 side in front, coarsely and sparsely punctate, and finely rugose 

 at sides; prosternal process feebly convex, strongly expanded be- 

 hind coxal cavities, and with a large acute triangular tooth at 

 middle of apex. Posterior tibiae without a row of long hairs on 

 the inner margin. 



Length, 11.5 mm. ; width, 5 mm. 



Type locality. — Rurrenabaque (Beni River), Bolivia. 



Type.—Q^t. No. 26967, U.S.N.M. 



Described from a single specimen collected during October, 1921. 



12050—25 2 



