HEMIPTERA OF COLORADO 
91 
Allygus coloradensis n. sp. 
Male: Clypeus less than twice as long as broad, constricted in the middle, nearly as 
broad at apex as at base, half as long as the front, basal suture somewhat curved; lorae 
subovate, as long and as broad as the clypeus; genae gently and evenly rounded at the sides 
and attaining the tip of the clypeus; front a fifth longer than wide, sides inwardly curved 
at the antennae, narrowed towards the clypeus, superior 
angle very obtuse; face and anterior margin of vertex 
finely shagreened. Disc of vertex slightly transversely 
depressed, length at middle nearly once and a half that 
next the eyes; pronotum broadly rounded in front, dis¬ 
tinctly concave behind, twice as broad as long, posterior 
angles very broadly rounded, opaque, not distinctly 
sculptured. Scutellum broader than long, transverse 
suture arcuated. Color dull smoky yellow; eyes' dark; 
face somewhat smoky with narrow concentric light lines 
above; on genae at middle of loral suture a small black 
spot; vertex smoky yellow mottled with darker shades; 
two small black spots within hind margin near compound 
eyes and a narrow black median line; pronotum with 
anterior fourth lighter, and with four short black dashes 
on either side, posterior three-fourths heavily and some¬ 
what transversely mottled with dark; scutellum yellowish 
with basal angles and transverse grcs^ove blackish; elytra 
subhyaline, nervures dark brown, clavus with cells mot¬ 
tled with blackish and with three distinct pearly white 
spots on the inside margin, two more indistinct ones on the 
outside; disc of elytra with scattered black mottling 
within the cells; transverse veins on costal margin broadly 
black; elytra pearly, wings brilliantly iridescent; venter 
yellow with apical margins of segments black; legs light yellow, anterior coxae with a 
large black spot on anterior portion, anterior femora with numerous small black spots; 
tibiae with spines arising from black spots, posterior tarsi annulate with black. 
Length 4 mm. Described from one male. 
Glenwood Springs, August 24th (Gillette). 
Athysaniis anthracinus VanD. Det. VanUuzee. 
Colorado (VanDuzee, 4). 
Montrose, June 24th (Gillette). 
Athysaniis artemisiae n. sp, 
Female: Clypeus one-half longer than broad, broadly and shallowly depressed below 
the middle, sides nearly parallel, tip truncate; lorae about as long but not quite as broad 
as the clypeus; genae broad, scarcely depressed beneath the eyes, outer margin broadly 
angled, attaining the tip of the clypeus and 
broad beneath the lorae; front one-fifth 
longer than broad, superior angle rounded 
and more than a right angle, face and ante¬ 
rior half of vertex finely shagreened; eye 
with a narrow and acute emargination with¬ 
in near the antennae; disc of vertex not de¬ 
pressed, sloping at sides, length at middle 
once and a half that at eyes. Pronotum with 
two small approximate pits near the anterior 
margin, posterior two-thirds very indistinctly 
transversely wrinkled; scutellum finely sha¬ 
greened ; hind margin of last ventral segment 
with posterior angles broadly rounded, slight¬ 
ly produced, with a rather large narrow 
notch having at its center a small blunt 
tooth. Color black; front with about six 
