AUanlKs in the United States. 241 



Tentliredo basilaris. Say. Long's Sec. Ex. II. 316. 



9 ^' 



Hab. N. W. Territory (Say), Massachusetts (H. Coll.), 

 Connecticut, New York. 



Sp. 10. A. duhius. Harris. H. Cat. Black ; antennae 

 piceous, basal joint yellow ; abdomen with yellow bands. 

 (Long. 0.50 in. Ex. alar. 0.95 in.) 



9 Body black ; antennae short and stout, piceous, basal 

 joint pale ; head wide, indistinctly piceous about the or- 

 bits ; clypeus produced, angulate ; labrum rounded ; clyp- 

 eus, labruin, base of mandibles, and palpi, yellow; wing- 

 scale piceous ; scutellum, two dots behind, edge and sides 

 of basal membrane, a spot on pleura near posterior coxae, 

 the fifth, seventh, and two apical segments of abdomen 

 above, yellow; legs piceous yellow, darkest (in one case 

 black) on femora above and base of tibiae ; coxae black, 

 yellow at tip ; trochanters yellow ; pleura and body beneath 

 black ; wings clouded ; nervures and apex of stigma black ; 

 basal half of stigma and costa piceous yellow. 



Hab. Massachusetts (H. Coll.). 



Two specimens examined. This is probably a variety 

 of A. basilaris. The color of antennae is ditierent, the collar 

 and pleura black, &c. 



Sp. 11. A. bicinctus. Nov. spec. Black ; basal joint pf 

 antennae yellow ; basal membrane yellow ; and a rufous 

 band in middle of abdomen. ( ? Long. 0.40 in. Ex. 

 alar. 0.80 in. $ Long. 0.35 in. Ex. alar. 0.70 in ) 



9 Black ; antennge moderate, flattened in middle, basal 

 joint yellow ; a dot between antennae, clypeus, labrum, and 

 base of mandibles, yellow ; the wing-scale, upper edge of 

 collar and a wide mark on basal edge, narrowing to ante- 

 rior legs, a spot on pleura and line from base of inferior 

 wings, a V spot, the scutellum, post-scutellum, two dots 

 behind, and ridge of metathorax, yellow ; a deep rufous 

 band on fourth, fifth, and sixth segments of abdomen ; 



■ lOURNAI, It. S. X. H. 31 DECEMBER. 1 8t>0. 



