SUBGENUS TRICHAPION — KISSINGER 329 



nent; frons moderately wide, with median sulcus and two or three 

 irregular rows of moderate punctures. Pro thorax at base one-fourth 

 wider than long, middle slightly narrower than base, apex seven-tenths 

 as wide as base; sides expanded laterally at base, nearly parallel to 

 middle, slight!}^ rounded to constricted apex; in profile dorsal surface 

 nearly flat; punctation 0.03 mm., in diameter, moderately deep, inter- 

 spaces about equal to diameter of punctures, flat, alutaceous; basal 

 fovea shallow, moderately broad, short. Elytra at humeri two-fifths 

 wider than prothorax at base, three times as long as prothorax, length 

 to width as 3 : 2; intervals less than twice as wide as striae, third in- 

 terval twice as wide as striae, moderately convex, smooth with two 

 irregular rows of fine punctures bearing fine scales. Scutellum tri- 

 angular, about as long as mde, 0.06 by 0.06 mm., smooth, alutaceous. 

 Front femora 3.5 times as long as wide. Claws with acute basal tooth. 



Special male characters: Tibiae 2 and 3 armed vnih long, curved, 

 simple mucrones. 



Material examined: One male determined by Hans Wagner and 

 seven other specimens. 



Known distribution: 



Guatemala: Capetillo; Duenas (BMNH). 



Mexico: Distrito Federal: Mexico City, July 29, 1944, N. L. H. Kraus (USNM); 

 Contreras, May 30, 1946, J. and D. Pallister (AMNH). Guerrero: Omilteme; 

 Chilpancingo (BMNH). Michoacdn: South side of Lago de Cuitzeo, 1,950 

 meters, July 8, 1947, No. 82, T. H. Hubbell (UM). Morelos: Coajomulco, June 7, 

 1946, J. and D. Pallister (AMNH); near Cuernavaca, Aug. 14, 1953, about 

 7,000 feet, R. B. and J. M. Selander (DGK). Puebla: Near Huauchinango, 

 June 1954, D. G. Kissinger. 



Remarks: The first two Mexican localities were erroneously attrib- 

 uted to Guatemala by Wagner in his description. 



Apion {Trichapion) perpilosiim Wagner 



Figure ll,c,f,g,j 



Apion {Trichapion) perpilosum Wagner, Arch. Naturg. Berlin, vol. 78, p. 107, 

 fig. b, 1912.— McKelvey, et al., Mex. Sec. Agr. Ganad. Fol. Tec, vol. 8, 

 pp. 8-42, 1951. 



Description: Length, 1.45 to 1.60 mm. 



Moderately robust. Black; aeneous; pubescence conspicuous, 

 whitish and in part yellowish on dorsal surface, fine sparse, denser 

 and coarser at base of third elytral interval and sides of prothorax, 

 mesothorax, and metathorax. Male beak three-fourths as long as 

 head and prothorax combined, slightly, uniformly curved; moderately 

 expanded laterally and ventrally at antenna! insertion, attenuate to 

 apex; moderately densely punctured and pubescent to near apex, 

 pubescence long and bristling, apex smooth and shining. Female 

 beak slightly longer than head and prothorax combined, moderately, 



