92 
PRELIMINARY LIST 
narrow transverse yellowish lines on either side; clypeus with a small yellow spot on 
either basal angle; genae laterally margined near the eyes with yellow. \ ertex with a 
broad transverse band on the posterior margin between the eyes, and a narrow band 
along anterior margin of vertex yellow, the latter having three black spots upon it one 
at the middle and one at either end. Pronotum and scutellum yellowish, indistinctly 
mottled with black; elytra dark smoky with the nervures and central Portions of cells 
paler; abdomen black; legs black, knees and tibiae yellowish, the tarsi streaned with 
l}l8iCk • 
Length 3 mm. Described from one female. 
On Grizzly Creek, in mountains south-west of North Park, 
July 10th, on Artemisia tridentata (Baker). 
Atliysanns comma VanD. Det - 0sborn - 
Fort Collins, July 4th (Gillette), and July 24th to August 
18tli (Baker). 
Athysanus curtipennis n. sp. 
Female- Clvpeus about one-fourth longer than broad, transversely depressed before 
the tip, sides nearly parallel, apex truncate, basal suture slightly curved; lorae as long 
and nearly one-half as broad as the clypeus; genae broad, strongly depressed beneath the 
eyes, outer margin broadly and 
evenly rounded, attaining tip of 
clypeus and rather broad beneath 
the lorae; front one-eighth longer 
than broad and twice the length 
of the clvpeus; superior angle 
broadly rounded: face finely sha- 
greened. Disc of vertex smooth 
and shining, broadly transversely 
depressed on posterior half, length 
at middle once and one-third that 
at eyes. Pronotum short and 
broad, somewhat shorter than the 
vertex, anterior one-fourth very 
finely rugose, posterior three- 
fourths rather coarsely rugose 
with broad scattered punctures. 
Scutellum very small, shorter than 
pronotum, transverse groove wanting. Elytra subquadrate, as broad as long, not attain¬ 
ing the tip of the second segment. Hind margin of last ventral segment with posterior 
angles long and subacute, entire central portion between the angles wanting; ovipositor, 
beneath, half the length of the whole body; valves a third longer than pygofers, the latter 
with a row of short stout spines, the former with numerous fine hairs near the tip. Color 
pale yellowish with dark markings; front with several short transverse darker lines on 
either side, lower angles each with a black spot; vertex with a large black spot on either 
side at crest and a small black spot at the apex; disc of vertex with two large black spots 
near the middle and with a narrow black line next the compound eyes; pronotum almost 
coneolorous, a rather distinct dark spot just back of the compound eye and another out¬ 
side of the basal angle of the scutellum, two minute approximate black spots close to 
anterior margin; scutellum coneolorous; elytra with about four longitudinal dark lines 
on corium between the nervures; tergum with three longitudinal black bands on either 
side, outer ones narrow, inner broadest and containing a row of irregular pale green 
spots; venter with middle portion of three basal segments black; pygofers w ith two black 
lines on sides, valves black, margins brown; legs coneolorous. 
Length 5 mm. Described from one female. 
Colorado Springs, August 8d (Gillette). 
