SUBGENUS TBICHAPION — KISSINGER 351 



slightly attenuating to apex; in dorsal view nearly parallel-sided, tip 

 slightly expanded; finely, sparsely punctured, polished, with minute 

 pubescence basally. Antennae inserted at distance from eye one-half 

 greater than width of frons, of male at basal fifth, of female slightly 

 distad of basal sixth; first segment equals next three, second segment 

 shorter than next two, club 0.24 by 0.08 mm. Eyes ro.oderately promi- 

 nent; frons narrow, of m.ale slightly narrower than, of female about as 

 wide as dorsal tip of beak, median sulcus variable, usually obsolete, 

 with one lateral row of punctures. Prothorax at base one-third 

 wider than long, middle slightly narrower than base, apex three- 

 fourths as wide as base; sides beyond basal lateral expansion nearly 

 parallel to middle, rounded to constricted apex; in profile dorsal 

 surface slightly convex; punctation moderately deep, 0.02 to 0.03mm. 

 in diameter, interspaces less than diameter of punctures; basal fovea 

 narrow, elongate, shallow. Elytra at humeri two-fifths wider than 

 prothorax at base, about 2.8 times as long as prothorax, length to 

 width as 9 : 7; intervals flat, twice as wide as striae, smooth, with one 

 row of minute, distant punctures bearing minute scales; striae deep, 

 fine. Scutellum rounded, 0.06 by 0.06 mm., with slight median 

 sulcus. Front femora about 3.3 times as long as wide. Claws with 

 acute basal tooth. 



Special male characters: Tibiae 2 and 3 armed with mucrones; 

 mucro 2 shorter than mucro 3, both denticulate. 



Material examined: One male and three females determined as 

 A. guatemalenum by Sharp and five other specimens. 



Known distribution: 



Honduras: Morazdn: Cerro Uyuca. 



Guatemala: Cerro Zunil; San Ger6nimo; El Tumbador; Senahu. 



Venezuela: Colonia Tovar. 



Bolivia: Sorata. 



Colombia: No exact locality. 



Apion (Trichapion) davidis Sharp 



Figure 14,c,d 



Apion davidis Sharp, Biologia Centrali-Americana, Insecta, Coleoptera, Cur- 

 culionidae: Apioninae, vol. 4, pt. 3, p. 53, 1890. 



Description: Length, 2.0 mm.; width, 1.0 mm. 



Robust. Black; nearly glabrous on dorsal surface; sides of meso- 

 thorax and metathorax with noticeable, white pubescence. Beak of 

 female slightly longer than head and prothorax combined, four-fifths 

 longer than prothorax, strongly, evenly curved; cylindrical beyond 

 antennal insertion; with a few punctures arranged in rows in basal 

 thu-d, beyond antennal insertion polished and nearly impunctate. 

 Antennae inserted a little behind basal sixth, at distance from eyes 



