374 PROCEEDINGS OF THE XATIOXAL MTSEI^I vol. no 



than next three; second segment as long as third; club of male, 0.34 

 by 0.12 mm.; of female 0.30 by 0.12 mm. Eyes moderately promi- 

 nent; frons moderately wide, with moderately deep median sulcus and 

 a lateral row of punctures. Prothorax at base slightly wider than 

 long, at middle one-fifth wider than base, at apex two-thirds (male) 

 to four-fifths (female) as ^ide as base; sides slightly expanded laterally 

 at base, strongly roundly expanded to middle, rounded to stronglj^ 

 constricted apex; in profile dorsal surface of male shghtly arcuate, 

 flattened at base and apex, of female nearly flat, apical third depressed; 

 punctation moderately deep, more so toward posterior margin, 0.03 

 mm. in diameter, interspaces narrower than diameter of punctures, 

 alutaceous, moderately convex; basal fovea deeper at middle, linear, 

 about one-fourth length of prothorax. Elytra at humeri one-half 

 (male) to three-fifths (female) wider than base of prothorax, 2.5 to 

 2.8 times as long as prothorax, length to width as 19 :14; intervals 

 twice as wide as striae, moderately convex, very densely, minutely 

 punctate, with two irregular rows of shghtly larger punctures bearing 

 fine scales; striae deep. Scutellum triangular, 0.09 by 0.06 mm. 

 Front femora about four times as long as wide. Claws with acute 

 basal tooth. 



Special male characters: Tibiae 2 and 3 armed with short, sub- 

 angulate mucrones, mucro od tibia 2 more curved laterally than mucro 

 on tibia 3; antennae elougate, robust, with long cUia; front coxae 

 enlarged, about as wide as length of antennal club; front tibiae di- 

 lated, curved, set with long cilia on inner surface; third segment of 

 middle tarsus very broad, with diverging lobes receivirig very short, 

 broad fourth segment, claws of which are abruptly curved and ap- 

 plied to ventral surface of segment. 



Material examixed: One male compared with type by G. A. K. 

 Marshall and 20 other specimens. 



Known distribution: 



Mexico: Guerrero: Omilteme, 8,000 ft. (type, BMXH). Michoacan: El Pueb- 

 lito, Aug. 9. 1954, 6,500 feet (DGK). Distrito Federal: Desiertos de los Leones, 

 May 26. 1946. J. and D. Pallister (A:MXH). Puebla: Xear Huauchinango, June 

 1954, D. G. Kissinger. 



Remarks: Specimens were taken by the author whUe beating in a 

 pine and scrubby oak forest at about 5,000 feet elevation near Huau- 

 chinango, Puebla, Mexico. 



Apion (Trichapion) lativentre Beguin-Billecocq 



Apion lativentre Beguin-BUlecocq, Ann. Soc. Ent. France, vol. 78, p. 451, 1909. — 

 Wagner, Mem. Soc. Ent. Belgique, vol. 19, p. 32, 1911. 



Description: Length, 2.06 to 2.62 mm.; width, 1.00 to 1.28 mm. 

 Moderately robust. Black, elytra blue, antennae piceous; pubes- 



