HEMIPTERA OF COLORADO. 25 



and thicker clav;ite aniennae. Oolor dark brown, closely and coarsely punctate with 

 fuscous, pubescent. The head thick, abruptly contracted at tip, clothed with bronze 

 pubescence, closely punctate; the rostrum thick, brown, reaching between the anterior 

 coxae; antennae piceous, palep bescent, blackish on the two long and very thick clavate 

 apical joints, tlie basal .ioint thick, scarcely longer than the tylus, the second much 

 shorter, more slender, growing thicker towards the tip; the ocelli very largo and promi- 

 nent, coarsely and densely granulated. Pronotum thick, a little longer than wide, almost 

 flat above; the anterior lobe nearly twice as long as the posterior one, the two separated 

 each side by a deeply incised line; the lateral edge moderately oblique, reflexed, a very 

 little curved; collum distinct, but rather turned up than ridged; the middle of posterior 

 margin indented, the anterior margin as wide as the head to the middle of the eyes; the 

 humeral angles callous, long triangular. Pleural pieces reddish brown, somewhat 

 coarsely pum-tate. Coxae dull yellow; femora obscure yellow, pale fuscous on the 

 middle; the tibia tinged with brown: tarsi more orle.ss piceous. Scutellum reddish brown, 

 punctate, the apex with a long thick carina. Hemelytra thick, opaque, coarsely punctate 

 in somewhat longitudinal lines, bare parts of the surface dull fulvous, the costal border 

 testaceous, interrupted by about four black spots; the broad apex almost truncated, 

 sometimes marked with two or tliree yellow dots; the membrane brown, very small or 

 absent. Abdomen dark dull or brown, closely punctate, spread with minute bronze pub- 

 escence; the connexivum wide, sharp edged, with a yellow dot on the apex, and sometimes 

 with testaceous specks at the outer end of the sutures; anal segment of tlio male large 

 and prominently convex, very dark brDwn. 



Length to end of abdomen 3 5 mm. Width of pronotum .7.5 mm. Three or four speci- 

 mens are in the Colorado Agricultural College collection. In my own cabinet may be 

 seen specimens from New York, Texas, and the vicinity of Denver and Manitou. 

 Colorado " 



Foi-t Collins, April 6th (Baker). Poudre Canon*, Marcn 

 16th to April 22nd (Gillette). The specimens taken were 

 found under boards and stones. This is the species recorded 

 from Colorado as P. diffusus Uhler (see Uhler, 1 ). 



Ptochiomera puberula StaL 



Denver, August 8th (Uhler, 5). 

 Cnemodiis mavortius Say, 



Colorado, August (Riley ). 



Trapezonatus tiebulosus Fall. 



Colo. (Uhler, 1 and 6). Southern Colorado,. June, July ( Carpenter— see 

 Uhler, 7). Moderately common at Uenver, also few from plants in Beaver 

 Brook Gulch, August 6th (Uhler, 5). Custer county, mid-alpine (Cockerell, 10). 



Fort Collins, February 19th to September 2d Baker and 

 Gillette). The Rustic, Larimer county, August 11th; Foot- 

 hills seven miles north-west of Fort Collins, March 16th; 

 Manitou, June 25th; Montrose, June 24th; Dolores, June 

 18th (Gillette). Steamboat Springs July 14th (Baker). 

 Colorado Springs, Manitou Park (Tucker) . 



Mmbleihis arenariiis Linn. 



Colo., seems to be quite common (Uhler, 6). Quite common in eastern 



*The canon of the Poudre river, 10 miles north-west of Fort Collins. 



