50 
PRELIMINARY LIST 
curved forwards. Scutellum small, moderately convex. Hemelytra very long, the costal 
margin gently curved, so as to be widest back of the middle, the surface of clavus, corium 
and cuneus, minutely and remotely granulated, with the exterior margin a little paler 
than the general surface; the membrane long, very faintly obscured, translucent, with 
the veins green. Legs pale green, with the nails, spines, and tip of tarsi piceous. 
Abdomen closely set with white pubescence. 
Length to end of abdome. 4 mm. To tip of membrane 6.5-T mm. Width of pronotum 
2 mm. Several specimens have been sent to me from Colorado, where the species appears 
to be rather common.” 
Steamboat Springs, July 12th on Artemisia tridentata 
(Baker). We have also received specimens (determined by 
Mr. Uhler) taken at Colorado Springs in July by E. S. 
Tucker. 
Macrocoleus coagulatus Uhler. 
From wild gooseberry and other bushes in Clear Creek Canon. August 7th 
(Uhler 5). Colo. (Gillette—see Osborn, 1). 
Manihou, September 29th, Lamar, May 7th; Foot-hills five 
miles west of Fort Collins, June 12th (Gillette). Fort Collins, 
July 4th to October 7th; mountains south-west of North 
Park, July 10th on Artemisia trideutata (Baker). 
Macrotylus affiguratus Uhler n. sp. 
“Robust, grayish testaceous, finely pubescent, obscure fuliginous on most of the 
hemelytra. Head conico-triangular, pale fulvous in front, greenish on the vertex, with 
a diagonal black line each side converging anteriorly, from this a divaricating black line 
runs downward each side upon the cheeks below to che eye, cheeks and tylus black, polished; 
rostrum slender, piceous-black, reaching to the middle coxae; antennae stout, black, 
moderately short, tapering continuously to the tip, the second joint a little longer than 
the pronotum, the third a little shorter, the fourth very short, acute at tip. Pronotum 
broad, well rounded off towards the sides on the posterior lobe, the lateral margins 
oblique, gently curved, broadly pale, the surface greenish, uneven and wrinkled posteri¬ 
orly, set with short black bristles at remote intervals, the anterior submargin flat, pale 
with the margin recurved, a little sinuated in the middle, the callosities prominent, 
surrounded with black and set in a blackish depression, behind the middle is an obscure 
arc of broken spots, humeri oblique, a little rounded at tip, the posterior margin very 
gently curving toward the humeri; the pleural flaps deep, sunken, black, excepting the 
margins, the flap of prosternum also black bordered with pale yellow; sternum and a long 
stripe on the outer border of pleura also black. Legs obscure yellowish, with flecks, the 
spines, knees, tip of tibiae and tarsi black. Scutellum greenish, widely exposed at base, 
with a few scattered points, a faint middle line and the sparse bristles black. Olavus 
dull pale greenish, minutely sparsely granulate and punctate, with but few indications of 
hairs, the corium more obscure, similarly granulate‘and bristly, with the costal margin 
and veins pale; the cuneus. Its callous inner angle, and thickened short inner margin of 
the corium and the basal margin of the membrane pale yellowish; membrane short a 
little dusky, with the veins pale. Venter pale greenish, with the sutures, and border of 
the ovipositor black. 
Length to end of abdomen 4.6 mm. Width of pronotum 1.75 mm. Decribed from one 
specimen, a female, sent to me from Colorado.” 
North Park, July 20th (Gillette). Steamboat Springs, 
July 12th, on Delphinium occidentale and other low herbs 
(Baker). 
