AUantus in the United States. 253 



Hab. New Hampshire, Maine (H. Coll.), and Albany, 

 N. Y. 



Four specimens examined. This resembles A. ventralis 

 of Say. 



Sp. 32. A. lohntiis. Nov. spec. Body black ; head 

 pale yellow, with a lobate black spot upon the vertex. 

 (Long. 0.48 to 0.50 in. Ex. alar. 0.90 in.) 



9 Black ; antennae long, enlarged in middle ; head yel- 

 low, black behind and above ; a lobate black spot on ver- 

 tex; orbits pale straw yellow, only interrupted opposite 

 the ocelli ; a spot on basal joint of antennae within, and 

 the base of mandibles, yellow ; clypeus produced and 

 widened ; edges of collar, wing-scale, V on prothorax, two 

 dots behind, two radiating lines above and two below 

 these dots, the sides of basal membrane, and a spot near 

 posterior coxae, pale yellow ; on the venter, the overlapping 

 plates irregularly whitish ; a deep sinus behind mesotho- 

 rax, at base of superior wings ; body finely punctured, and 

 in some parts shining with close, hairy pile ; legs yellow ; 

 coxae black, tipped with yellow ; a narrow black line on 

 the four anterior femora and tibiae above ; posterior femo- 

 ra black, except at base ; tibiae at tip and tarsi above black ; 

 apical joint whitish ; wings hyaline ; nervures black ; base 

 of stigma white. 



Var. a. Two dots back of ocelli ; a spot on pleura be- 

 low wing-scale, four lines in place of V spot, apex of scu- 

 tellum, six dots and two lines behind, yellow. 



Hab. Farmington, Conn. 



Three specimens examined. 



Sp. 33. A. ventralis. Say. West. Quar. Rep. vol. ii. 

 p. 72. " Black ; feet before and abdomen beneath 

 white. 



" Inhabits Arkansas. 



" Body black ; nasus, labrum, mouth, abbreviated line 

 above the eye and large spot beneath it, white; thorax 



