SUBGENUS TRICHAPION — KISSINGER 



323 



Apion (Trichapion) brunnicornis Fall 



Figure I0,a-d 

 Apion brunnicornis Fall, Journ. New York Eut. Soc, vol. 26, p. 221, 1918. 



Description: Length, 1.6 to 1.9 mm. 



Moderately robust. Black; antennae brownish testaceous; pu- 

 bescence fine, white, sparse, male with pubescence sHghtly more 

 conspicuous on sides of mesothorax, under side of head and on anterior 

 surface of front coxae, female with pubescence more uniform. Male 

 beak very thick, one-third shorter than head and prothorax combined, 

 strongly deflexed at middle; in lateral view dorsal margin strongly 

 curved downward, apical thkd thickened ventromedially; in dorsal 

 view not expanded laterally at antennal insertion, strongly compressed 

 in apical third; sparsely, shallowly punctate to tip, pubescent to 

 near tip, tip slightly shining. Female beak slender, equal to head 

 and prothorax in length, very strongly, evenly curved, cylindrical, 

 sparsely, shallowly punctate to near apex, basal two-thirds wdth 

 sparse pubescence. Antennae inserted at distance from eye equal to 

 twice width of frons, of male inserted slightly behind middle of beak, 

 of female at basal one-third; first segment of male a little longer 

 than next two, of female equal to next three segments; second segment 

 about one-half longer than third, shorter than next two; club 0.20 

 by 0.08 mm. Eyes prominent; frons moderately wide, with deep, 

 elongate median sulcus, with a row of large, deep punctures next to 

 sulcus and a row of finer, shallower punctures next to eye. Pro- 



FiGURE 10. — a-d, Apion brunnicornis Fall: a, lateral view of head and prothorax of male; 

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

 tibia 2 of male, g-h, A. punctulirostre Sharp: e, dorsal view of head of male;/, mucro 

 of tibia 2 of male; g, lateral view of head and prothorax of male; h, lateral view of head and 

 prothorax of female. Line equals O.SO mm. 



