OF rniLADELPIIIA. 409 



This species is not abundant. I obtained several speeimcns iu 

 August. 



2. A. iiASTATA. — Stigma almost detached from the margin, 

 sanguineous. 



Inhabits Indiana. 



% Head greenish; above dark metallic-greenish; eyes green, 

 above blacki.sh ; frontal projection blackish above : occiput with 

 an orbicular glauc-ou.s dot each side ; mouth yellowish ; thorax 

 brassy -greenish, sometimes tinged with blue ; a slender pale line 

 each side of the back ; wings with chiefly rhomboidal cellules ; 

 stigma of the superior obovate acute, connected with the edge of 

 the wing only by a short petiole, sanguineous ; stigma of the in- 

 ferior wings rhomboidal, blackish : abdomen bright yellow ; ter- 

 gum with green hastate spots and lines ; two or three ultimate 

 segments immaculate ; anal segment with an elevated, prominent 

 spine-like process, bitid at tip ; two very small, incurved, lateral 

 hooks ; venter with a slender, blackish line ; pleura, pectus and 

 feet pale green ; thighs with a black line towards their tip, obso- 

 lete on the posterior pair. 



Length over nine-tenths of an inch. 



The edge of the superior wing, opposite to the stigma is a 

 little convex and white. [39] 



5 Head yellowish ; above dark metallic-greenish ; eyes above 

 light brown, and beneath this color is an obsolete parallel line ; 

 occiput with the two spots connected by a paler line ; thorax on 

 each side with an obscure tinge of fulvous ; stigma of the superior 

 wings not separate from the edge, rhomboidal, yellowish-white ; 

 tcrgum green, tinged with dull fulvous each side before the mid- 

 dle; tail with two small angulatcd processes beneath, which do 

 not extend beyond the extremity of the abdomen. 



Var. a. Occiput fulvous ; the fulvous color of the sides of the 

 thorax antl of the abdomen is more vivid and on the latter pre- 

 vailing so that the green of the tergum is obsolete before the 

 middle. 



It is common in August, in meadows. 



[This is A. vcncrinotiitum, Hald. I'r. Acad. 2, 55 ; also the 

 same as A. anomahnn Ramb. 281. — Uiiler.] 

 1839.] 



