502 SOUTH AMERICAN HALTICIDAE (cOLEOPTERA) 



Type. — Cochabamba, Bolivia. (Germ.) Length 7 mm. 



Clypeus with a deep transverse groove, occupying the whole space, front 

 and vertex with a well marked broad longitudinal groove running between 

 the antennae, frontal tubercles small and obsolete, surface thickly punctured; 

 antennae filiform, rufous, reaching below the middle of the elytra; joints six, 

 seven and eight darker, nine, and ten, flavous, eleven dark at tip; thorax with 

 usual side angulation of the genus, obsoletely depressed on either side behind 

 and longitudinally depressed down the middle with a fairly prominent callous 

 on each side, surface dull with fine pubescence ; elytra, with sparse, erect hairs, 

 surface strongly punctate striate, but back of the black transverse band almost 

 entirely obscured by the thick golden pubescence, a faint longitudinal depres- 

 sion at the shoulders; posterior femora with brownish black apex, anterior 

 with dark streak on upper side, the swollen claw joint very dark rufous and 

 conspicuous at the end of the yellow tibia and tarsi, claws appendiculate. 



Allied to limbata Baly. Type unique. 



Octogonotus lateralis nov. sp. 



Robust, elongate, black, head more or less yellowish, thorax 

 brownish red, in the middle, with a wide side stripe of golden 

 yellow hair, leaving the sharp lateral edge dark, elytra dark 

 brownish black, a sub-marginal yellow stripe covered with ashy 

 golden hair from the shoulder nearly to apex, wide at the shoulder 

 and narrowed at apex, the suture in the middle narrowly edged 

 with ashy golden hair, body beneath shining black, anterior legs 

 black, femora yellow beneath, posterior legs yellow with femora 

 black above and at apex. 



Type. — Cochabamba, Bolivia. (Germ.) Length 7 mm. 



Clypeus with a broad transverse depression, a longitudinal fovea on the 

 front and between the antennae, which are black, filiform; frontal tubercles 

 obsolete, the surface thickly punctate; the general color is brownish yellow 

 with the tubercles and between them and the eyes black, neck darkened; 

 thorax transverse, very strongly angulate, abruptly and strongly transversely 

 depressed behind, with a short smooth medium carina cut off by the depres- 

 sion; elytra finely punctate striate, everywhere covered with a ver}^ short ashy 

 pubescence and scattered long hairs in lines; the light stripe is co-extensive at 

 the base with the light side of the thorax and cuts across the striae; body 

 beneath black, swollen claw joint of the hind legs conspicuously dark rufous, 

 claws appendiculate. 



Allied to limbata Baly. Type unique. 



Octogonotus similis nov. sp. 



Bright rufous, tips of mandibles, eyes, joints two to eleven of 

 antennae, four anterior tibiae and tarsi black, elytra rather 



