38 
NEUROPTEROUS INSECTS. 
small and orbicular; the tergum is brassy-green, 
with a very narrow, white, interrupted band at base 
of each segment ; two ultimate segments bright 
pearly blue ; anal segment on the superior tip with 
an emarginate, slight elevation. 
Length one inch. 
This species is not abundant. I obtained several 
specimens in August. 
2. A. hastata. Stigma almost detached from the 
margin, sanguineous. 
Inhabits Indiana. 
$ Head greenish ; above dark metallic-greenish ; 
eyes green, above blackish ; frontal projection black- 
ish above ; occiput with an orbicular glaucous dot 
each side ; mouth yellowish ; thorax brassy-green- 
ish, sometimes tinged with blue ; a slender pale line 
each side of the back ; wings with chiefly rhom- 
boidal cellules ; stigma of the superiors obovate 
acute, connected with the edge of the wing only by 
a short petiole, sanguineous ; stigma of the inferior 
wings rhomboidal, blackish ; abdomen bright yel- 
low; tergum with green hastate spots and lines; 
two or three ultimate segments immaculate ; anal 
segment with an elevated, prominent spine-like pro- 
cess, bifid 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 tips, obsolete 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. 
