SUBGENUS TRICHAPION — KISSINGER 343 



2 miles east of Silver Spring, Northwest Branch, June 28, 1952, D. G. Kissinger 

 (DGK). Massachusetts: Canton, August 1924, D. H. Blake (USNM); Chicopee, 

 July 23, 1903, F. Knab (USNM) ; Framingham, July 2, 1950, C. A. Frost (CAF) ; 

 Marion, Wickham (USNM) ; Sherborn, July 19, 1947, C. A. Frost (CAF). Michi- 

 gan: Clarkston (USNM); Detroit (USNM); Washtenaw Co., Aug. 1, 1922, 

 M. H. Hatch (USNM). Missouri: No exact locality, J. B. Smith (USNM). 

 New Jersey: Anglesea (USNM); Arhngton (USNM); Avon, Aug. 30, 1923 

 (USNM); Bayhead (USNM); Burlington Co. (USNM); Camden, December 1, 

 G. M. Greene (USNM); Cape May (UC) ; Clifton (USNM); Montclair (USNM); 

 Newark, E. A. Bischoff (USNM); Orange Mt. (USNM); Point Pleasant, July 3, 

 1926, A. Nicolay (USNM); Roselle Park, Nov. 9, 1924, A. Nicolay (USNM); 

 Woodside (USNM). New York: Ithaca (USNM); Riverhead, Long Island, 

 June 23, 1924 (USNM); Rosedale, Long Island, June 3, 1923 (USNM); Schenec- 

 tady, June 27, 1935, N. M. Downie; South Jamesport, Aug. 25, 1944, Tuthill, 

 on Apios tuberosa leaves (USNM). North Carolina: Andrews, July 11, 1954 

 (DGK); Bell Island, May 10, 1952, D. G. Kissinger (DGK); Nelson, August 31, 

 L. D. Beamer (UK). Ohio: Champaign Co., July 4, 1950, E. L. Sleeper (ELS); 

 Hocking Co., May 27, July 18, N. J. and E. L. Sleeper (ELS); Licking Co., 

 Aug. 2, 1950, E. L. Sleeper (ELS); Scioto Co., Aug. 1, 1950, E. L. Sleeper (ELS); 

 Summit Co. (UK). Pennsylvania: No exact locality (TLCC); Angora, June 15 

 (USNM); Philadelphia (USNM); Wind Gap, June 18, 1931 (UC). Rhode Island: 

 No exact locality (TLCC). Tennessee: Gatlinburg (Univ. Illinois). Texas: 

 Dallas, May 22, 1910, H. Pinkus (USNM); San Diego, Chittenden (USNM). 

 Virginia: Falls Church, July 4, 1919, L. L. Buchanan (USNM); Fredricksburg, 

 May 27, 1900, W. N. Richardson (USNM); Lake Drummond, June 8, 1905, 

 H. S. Barber (USNM); Pennington Gap, Hubbard and Schwarz (USNM). 

 West Virginia: White Sulphur Springs (TLCC). Wisconsin: Green Lake, 

 June 12, 1928, Ralf Martin (UK). 



Remarks: The host plant is not known definitely; Tuthill took 

 specimens on the foliage of Apios tuberosa in New York. 



Apion {Trichapion) perforicolle Fall 



Figure 13,k,l 



Apion perforicolle Fall, Trans. Amer. Ent. Soc, vol. 25, p. 144, pi. 5, fig. 1, 1898. — 

 Blatchley and Leng, Rhynchophora or weevils of northeastern America, p. 

 79, 1916. 



Description: Length, 1.80 to 2.40 mm.; width, 0.87 to 1.12 mm. 



Moderately robust. Black; elytra sometimes faintly aeneous; 

 pubescence white, rather coarse, sparse, denser on sides of mesothorax 

 and metepisternum. Male beak shorter than head and prothorax 

 combined, one-half longer than prothorax, slightly, evenly curved; 

 expanded laterally at antennal insertion, apical half nearly cylindrical; 

 more coarsely punctured above antennal insertion, more finely punc- 

 tured dorsally, apical third smoother. Female beak slightly longer 

 than head and prothorax, two-thirds longer than prothorax, slightly 

 curved; otherwise similar to male. Antennae inserted at distance 

 from eye equal to width of frons, of male inserted at basal fourth, of 

 female at basal fifth of beak; first segment equals next two, second 



483661—59 7 



