SUBGENUS TRICHAPION — KISSINGER 271 



interspaces as wide or slightly narrower than punctures, finely sculp- 

 tured; in front of scutellum with a short but deep basal fovea. Elytra 

 rather shortly egg-shaped, base much wider than prothorax, with 

 prominent humeri, sides gently widening toward rear, widest point 

 somewhat behind middle, then widely rounded to rear, slightly sin- 

 uate at apex; moderately large punctures in striae, flat intervals 

 twice as wide as striae, in middle striae are finer, with fine sculpture 

 of transverse Mi'inkles. Scutellum rounded, unfurcate, enclosed in 

 a sharp furrow. Legs moderately long, femora rather stout; first 

 tarsal segment about as long as second, as long as wide, fourth longer 

 than third by one-half, claws distinctly toothed. 



Apion (Trichnpion) latninatum Sharp 



Figure l,a 



Apion latninatum Sharp, Biologia Centrali-Americana. Coleoptera, vol. 4, pt. 3, 

 p. 58, pi. 3, figs. 6, 6a, 1890. 



Description: This species was described from a single specimen 

 in the British Museum (Natural History) that was not seen by the 

 author. The following descriptive notes were taken from the original 

 description. 



Length, 2.25 mm. 



Black, opaque; very sparsely pubescent. Male beak not quite as 

 long as head and prothorax combined, w4th a large ventral lamina 

 extending from antennal insertion to apex. Antennae inserted very 

 near to eyes. 



Special male characters: Middle tibiae bear a mmute mucro at 

 apex, laminate beak is probably a male secondary sexual character. 



Type locality: Amula, Guerrero, Mexico. 



Apion {Trichapion) peninsulare Fall 



Apion peninsulare Fall, Trans. Amer. Ent. Soc, vol. 25, p. 149, pi. 5, fig. 2, 2a, 

 1898. 



Description: The type of this species is in the California Academy 

 of Sciences and was not seen by the author. The following notes 

 are taken from the original description. 



Length, 2.0 mm. 



Black; sparsely pubescent. Male beak shorter than head and 

 prothorax combined, stout, strongly dilated a little behind the middle, 

 rugosely punctate laterally, more finely and sparsely punctured 

 dorsally. Antennae rather short, first segment scarcely as long as 

 next two, second globose, barely reaching eye. Frons slightly 

 sulcate; eyes not prominent. Prothorax about as long as wide; 

 base one-fourth wider than apex; sides divergent to middle, subparallel 

 in basal half. Elytra one-third longer than wide; humeri moderately 



