SUBGENUS TRICHAPION — KIS&INGER 345 



cylindrical; moderately punctate throughout, with a confluent line 

 of punctures over antennal insertion, pubescence inconspicuous. Fe- 

 male beak as long as head and prothorax combined, slightly, evenly 

 curved, otherwise similar to male with exception that beak is more 

 slender and punctation is sparse. Antennae inserted at distance from 

 eye slightly greater than ^vidth of frons, at basal fourth of beak; first 

 segment longer than next two, shorter than next three; second segment 

 equal to next two, club 0.21 by 0.10 mm. Eyes prominent; frons 

 moderately wide, with a wide median area with a faint median depres- 

 sion and one lateral line of coalescent punctures. Prothorax at base 

 one-third wider than long, middle slightly wider than base, apex three- 

 fourths as wide as base; sides moderately expanded laterally at base, 

 slightly expanding to middle, rounded to constricted apex; in profile 

 dorsal surface slightly, evenly arcuate; punctation 0.04 mm. in diame- 

 ter, deep, interspaces irregular, from one-half as great to equal to 

 diameter of punctures; basal fovea deep, elongate, extending one-half 

 length of prothorax. Elytra at humeri two-fifths wider than pro- 

 thorax at base, 2.8 times as long as prothorax, length to width as 

 13 : 10; intervals strongly convex, slightly wider than striae, with one 

 row of moderate punctures bearing inconspicuous scales; striae deep. 

 Scutellum triangular, 0.06 by 0.06 mm., with slight median impression. 

 Front femora four times as long as wide. Claws with acute basal 

 tooth. 



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

 denticulate mucrones. 



Material examined: Type labeled Massachusetts in the Riks- 

 museum and 50 specimens. 



Known distribution: 



United States: District of Columbia: Collected by Hubbard and Schwarz 

 (USNM). Georgia: Neil Gap, Apr. 27, 1946 (USNM). Illinois: East St. Louis, 

 May 9, 1924 (USNM). Indiana: Clark, Floyd, Perry, and Posey Counties. 

 Iowa: Des Moines and Lee Counties. Maryland: Beltsville, June 8, 1919, L. L. 

 Buchanan (USNM); Bladensburg, May 4, 1915, L. L. Buchanan (USNM); Cabin 

 John, Potomac River, May 24, 1952, G. H. Nelson, beating foliage; Glen Echo, 

 May 27, 1923, J. R. Malloch (USNM); Plum Point, May 28, 1922, L. L. Buchanan 

 (USNM); Plummers Island, June 29, 1920, H. S. Barber (USNM); South Moun- 

 tain near Pine Knob, May 14, 1918, R. E. Van Zwaluwonburg (USNM). Massa- 

 chusetts: Chicopee (USNM). New Hampshire: Pike, July 16, 1931, on locust, 

 Mrs. A. W. Jones (USNM). New Jersey: Nutley, E. A. Bischoff (USNM); 

 Point Pleasant, Aug. 8, 1926, A. Nicolay (USNM). New York: Ithaca, Chit- 

 tenden (USNM). Ohio: Hocking Co., Cantwell Cliffs, June 1, 1941, Clem Wolfe 

 (USNM); Marietta, Hubbard and Schwarz (USNM). Pennsylvania: Berks Co., 

 Stony Creek Mills, June 11, July 5, D. G. Kissinger (DGK); Hummelstown, 

 June 11, 1925, J. N. Knull (USNM); Lehigh Gap, July 10, 1897, G. M. Greene 

 (USNM); Pen Mar, Hubbard and Schwarz (USNM). Tennessee: Clarksville, 

 June 23, 1919, E. R. Jones (USNM); near Nashville, Oct. 30, 1937, R. H. Adams 

 (USNM). Vermont: Brattleboro, spring 1894 (USNM). Virginia: Af ton, Hub- 



