SUBGENUS TRICH.\PION KISSINGER 



293 



a 



Figure 5. — a-d, Apion glyphicum Sharp: a, entire dorsal view of male; b, lateral view of 

 head and prothorax of female; c, lateral view of head and prothorax of male; d, mucro of 

 tibia 3 of male, e, A. chuparosae Fall, lateral view of head and prothorax of male. Line 

 equals 0.50 mm. 



lateral raised convex interval bearing scales; frons abruptly declivitous 

 behind e3^es. Prothorax at base about one-fifth wider than long, 

 middle slightly narrower than base, apex three-fourths as wide as base; 

 base expanded laterally, sides from there to middle nearly parallel, 

 then rounded to constricted apex ; in profile dorsal surface nearly flat ; 

 punctation moderately deep, 0.03 mm. in diameter, interspaces 

 irregular, usually less than diameter of punctures, alutaceous; basal 

 fovea moderately deep, wider toward middle, extending one-third 

 length of prothorax. Elytra at humeri one-third to two-fifths wider 

 than prothorax at base, 2,3 times as long as prothorax, length to width 

 as 13 : 10; intervals about 2.5 to three times as wide as striae, smooth, 

 with two irregular rows of punctures bearing fine scales; striae moder- 

 ately deep. Scutellum triangular, about as long as wide, 0.08 by 0.08 

 mm., with a median, longitudinal sulcus. Front femora from 3.0 to 

 3.3 times as long as wide. Claws with moderate, acute basal tooth. 



Special male characters : Tibiae 2 and 3 armed with moderately long, 

 broad mucrones which have an apical angulation. 



