306 PROCEEDINGS OF THE NATIONAL MUSEUM vol. no 



Scutellum triangular, 0.06 by 0.04 mm., with slight median furrow. 

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



Special male characters: Tibiae 2 and 3 armed with slender, 

 moderately long, nearly simple mucrones; tibia 1 with smooth, 

 polished, striate area along five-eighths of its length, anterior margin 

 of front tibia somewhat convex. 



Types: Holotype male (USNM 63418), near Huauchinango, 

 Puebla, Mexico, June 1954, D. G. Kissinger. Allotype female 

 (USNM), same data as holotype. Paratj^pes (405): 100, samp 

 data as holotype (USNM); 287, same data as holotype (DGK); 2, 

 30 miles southeast of Mexico City, in Mexico, July 1954, D. G. Kissin- 

 ger (DGK); 7, Tacuba, Mexico, on bean, H. F. Wickham (USNM); 

 2, Tlalpam, Mexico, July 14, 1923, on bean, E. G. Smyth (USNM); 3, 

 Atzcapotzalco, Mexico, Aug. 17, 1921, on bean,'';H. F. Wickham 

 (USNM); 1, Mexico City, Distrito Federal, June' 12, 1922, E. G. 

 Smyth (USNM). 



Remarks: This is Apion sp. No. 3 of the series determined by 

 H. C. Fall referred to by Wicldiam (1922). 



This species was abundant on the foliage of pine and a scrubby oak 

 near Huauchinango, Puebla, Mexico, in June, at an altitude of about 

 5,000 feet. 



Apion (Trichapion) sayi Gylleuhal 



Figure 6,/t 



Apion sayi Gyllenhal, in Schoenherr, Genera et species curcuUonidum, vol. 1, 



p. 252, 1833. 

 Apion fraternum Smith, Trans. Amer. Ent. Soc. vol. 11, p. 60, 1884. — Fall, 



Trans. Amer. Ent. Soc, vol. 25, p. 147, 1898. — Kissinger, Proc. Ent. 



Soc. Washington, vol. 59, p. 40, 1957. New synonym\'. 



Many references in the literature to Apion griseum Smith actually 

 should refer to this species. These will be mentioned below in the 

 discussion of the biology of this species. 



Description: Length, 1.88 to 2.44 mm.; width, 0.94 to 1.25 mm. 



Moderately robust. Black, elj^tra with more or less aeneous luster; 

 pubescence white, fine, evident, coarser and more apparent on sides 

 of prothorax, mesothorax, and metathorax. Male beak shorter than 

 head and prothorax combined, one-third longer than prothorax, moder- 

 ately, evenly curved; in lateral view stout and parallel at base, at- 

 tenuate to apical third, thence parallel-sided to apex; in dorsal view 

 stout and parallel at base, not expanded laterally at antennal inser- 

 tion, attenuate to apical thu-d, slightly expanded toward tip; punc- 

 tured and pubescent in basal two-thirds, apical third glabrous, smooth, 

 shining. Female beak generally longer than head and prothorax com- 

 bined, ranges from one-half to two-thirds longer than prothorax, 

 moderately strongly, evenly curved ; in lateral view apical half nearly 



