566 U. S. NATIONAL MUSEUM BULLETIN 216 



sternaulus (porteriorly joining ivory area on mesopleurum) , epimeron, 

 broad V-shaped marginal mark on sides and back of middle lobe of 

 mesoscutum, narrow inner and broader outer margins of lateral lobe 

 of mesoscutum, scutellum and postscutellum and areas laterad of both, 

 large oval area covering most of metapleurum, hind 0.5 ± of propo- 

 deum, apical bands on all tergites (the bands on basal tergites with a 

 narrow apical blackish margin), ivory; front and middle legs ivory, 

 their coxae dark brown at base, beyond trochanters tinged with 

 fulvous in male, colored pale fulvous in female; hind coxa black with 

 large dorsal and ventral ivory areas that usually fuse posteriorly; 

 hind first trochanter ivory, its base blackish, a stripe on its front face 

 brown; hind second trochanter blackish, usually with a whitish area 

 below; hind femur fulvous, dark brown at base and apex and often 

 brownish dorsally; hind tibia pale fulvous, ivory below in male, often 

 weakly infuscate at apex in female; hind tarsus ivory in male, stramin- 

 eous in female; subgenital plate whitish, brownish apically, the apical 

 brownish color extending forward somewhat along the ventral edge; 

 wings hyaline, the apex of front wing with a broadly lenticular fuscous 

 spot. 



Specimens (12 cf, 629): From Illinois (Edgebrook and Morgan 

 Park); Kansas (Lawrence and Topeka); Louisiana (Mound); Mary- 

 land (Plummers Island); Massachusetts (Dorchester, Holliston, and 

 Woods Hole); Michigan (Detroit, East Lansing, and Midland Co.); 

 Missouri (Babler State Park and Cadet); New Jersey (Boonton, Fort 

 Lee, and Moorestown) ; New York (Bemus Point, Bronxville, Ithaca, 

 North Collins, and West Farms in New York City) ; Ohio (Cincinnati, 

 Delaware Co., Hardin Co., Montgomery Co., Puritas Springs in 

 Cuyahoga Co., and Put-in-Bay); Ontario (Ancaster); Pennsylvania 

 (Allegheny Co., Guyasuta Run near Pittsburgh, Harrisburg, Jean- 

 nette, Linglestown, Overbrook, Philadelphia, Pittsburgh, Presque Isle 

 iu Erie Co., Shiremanstown, and Valley Forge); Texas (Brazos River 

 at Richmond and Dallas); Virginia (Great Falls and Jones Creek in 

 Lee Co.); and Wisconsin (Milwaukee Co.). 



Dates of capture are mostly from June 15 to August 10. Those out- 

 side of this range are: June 13 at Cincinnati, Ohio, and at Ithaca, 

 N. Y.; and Aug. 12 at Boonton, N. J., and at Ithaca, N. Y. 



Reared specimens include: 1 cf , 29, from Tomoxia bidentata in Carya, 

 Linglestown, Pa., May 22 and 26 and Aug. 3, 1915, W. S. Fisher; and 

 rearings from Carya at three localities without specification of the 

 insect host. 



This species is in the Alleghanian and Carolinian faunas. It has 

 been reared from cerambycids in Carya. Adults occur mostly from 

 June 15 to August 10. 



