42 PROCEEDINGS OF THE NATIONAL MUSEUM vol.66 



obliquely backward to the scutellum, in front of which it is truncate; 

 surface narrowly depressed along sides, and with a broad, deep, 

 transverse depression along base, extending nearly to the posterior 

 angles, and without a distinct lateral carina, finely, sparsely and ir- 

 regularly punctate, the intervals smooth on the disk, but finely, 

 densely granulose along the lateral margins, Scutellum smooth and 

 triangular. Elytra moderately convex, about as wide as pronotum 

 at base; humeral angles obtusely rounded; sides nearly parallel to 

 middle, then obliquejy attenuate to the tips, which are conjointly 

 rather broadly rounded, with the lateral margins densely finely ser- 

 rate posteriorly; humeri rather strongly developed; each elytron 

 with a narrow, moderately deep, transverse basal depression, and 

 with a narrow deep depression between the humerus and lateral 

 margin; surface sparsely and irregularly punctate, the punctures 

 very irregular in size and nearly obsolete tovrard the apex, with 

 the intervals smooth. Abdomen beneath densely and finely reticu- 

 late, with a few fine obsolete punctures intermixed, and sparsely 

 clothed with very short inconspicuous hairs; last segment broadly 

 rounded at apex. Prosternum glabrous, smooth anteriorly, with a 

 few coarse, deep, closely placed punctures on the prosternal process, 

 which is rather short, broad, sides arcuate, and the apex broadly 

 rounded; anterior margin feebly arcuately rounded. Metasternum 

 feebly arcuately emarginate in front. 



Length, 3.2'5 mm. ; width, 1.4 mm. 



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



Type.—C2.t. No. 26987, U.S.N.M. 



Described from a unique male collected at the type locality dur- 

 ing September, 1921. 



CALLIMICRA FESTIVA, new species 



Female. — Oblong, moderately convex, rather broadly rounded in 

 front and behind, not distinctly narrower behind than in front, and 

 strongly shining; above bluish-green, with the pronotum and pos- 

 terior part of head slightly cupreous and aureous, the former with 

 a distinct violaceous tinge at base ; beneath piceous. 



Head moderately convex, the front with a broad, rather deep 

 longitudinal groove; vertex and occiput narrowly longitudinally 

 carinate ; surface sparsely, coarsely, and irregularly punctate, the in- 

 tervals nearly smooth posteriorly, but becoming finely reticulate 

 toward the epistoma; antennae black, with a feeble aeneous tinge. 

 Pronotum moderately convex, two and one-fourth times as wide as 

 long, distinctly narrower in front than behind, widest along basal 

 third; sides feebly arcuate from base to near middle, then strongly 

 arcuately attenuate to the anterior angles ; posterior angles obtusely 



