50 PEELIMINARY LIST 



curved forwards. Scutellum small, moderately convex. Hemelytra very long, the costal 

 margin gently curved, so as to be widest back of tlie middle, tlie surface of clavus, corium 

 and cuneus, minutely and remotely granulated, witli the exterior margin a little paler 

 than the general surface; the membrane long, very faintly obscured, translucent, with 

 the veins green. Legs pale green, witli the nails, spines, and tip of tarsi piceous. 

 Abdomen closely set with wliite pubescence. 



Length to end of abdome. 4 mm. To tip of membrane 6.5-7 mm. Width of pronotum 

 2 mm. Several specimens liave been sent to me from Colorado, wliere the species appears 

 to be rather common." 



Steamboat Springs, July 12th oil Artemisia tridentata 

 (Baker). We have also received specimens (determined l^y 

 Mr. Uhler) taken at Colorado Springs in July by E. S. 

 Tucker. 



Macrocoleus coagulatiis Uhler. 



From wild gooseberry and other bushes in Clear Creek Canon August 7th 

 (Uhler 5). Colo. (Gillette— see Osborn, 1). 



Manifaou, 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 tridentata (Baker). 

 Macrotylus affigiiratus Uhler n. sp. 



"Kobust, grayish testaceous, finely pubes(jent, 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 the 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 Ihe 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, liumeri oblique, a little rounded at lip, 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. Clavus 

 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 4.5 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). 



