72 
PRELIMINARY LIST 
Pachyopsis robiistus Uhl. Det. VanDuzee. 
Colorado (YanDuzee, 4). 
Dolores, June 18th; Estes Park, July 10th; North Park, 
July 20th; Steamboat Springs, July 26th; Fort Collins, 
September 27th on Bigelovia (Grillette). Mountains south¬ 
west of Noi'th Park, on Grizzly Creek, July 10th on Artemisia 
tridentata (Baker). 
Bythoscopiis fenestratus Fitch. Det. Osborn. 
E-tes Park, July 12th (Gillette). 
Bythoscopiis priini Prov. Det. Osborn. 
Mountains of Colorado (VanDuzee, 4). 
4 
The Kustic, Larimer County, August llth (Gillette). 
Pediopsis hifasciata VanD. 
Steamboat Springs, July 15th on willow (Baker). Mont¬ 
rose. June 24th (Gillette). 
Pediopsis erythrocephala n. sp. 
Female: Large and robust. Face nearly 
as long as wide; clypeus short and broad, 
suddenly broadened and widely depressed 
before the rounded apex, sides parallel ■ on 
basal two-thirds; front slightly constricted 
before antennae, rapidly narrowing towards 
clypeus. Clypeus, face, vertex, pronotum, 
and scutelluni, feebly rugose. Vertex one- 
third longer at eyes than at middle, width 
between eyes nearly twenty times length at 
middle. Pronotum little more than twice 
wider than long, curvature nearly the entire 
length. Last ventral segment with hind 
margin distinctly notched. Head, pronotum. 
and scutellum dull red, concoloious. Elytra 
hyaline. Abdomen greenisli. Eyes reddish 
brown. Legs greenish shading into reddish 
towards base. I'ropleura with a large black 
spot. 
Length 6 mm. Described from two fe¬ 
males. 
Fort Collins, August llth 
(Baker). Coloiado Springs, 
August (Tucker). 
