36 PRELIMINARY LIST 



and fourth dusky, more slender than the second a,nd together about equal to it in length. 

 Pronotum broad, very moderately convex, bald, with coarse uneven punctures separated 

 by wrinkled spaces in somewhat transverse lines, color dull, sometimes marked with a 

 pair of l)lack spots on the middle, a larger black spot in each humeral angle, and some 

 faint, short stripes of brown on the disk, the lateral margins reflexed, whitish, a little 

 curved, anterior angles well rounded and converging towards the elevated, ivory white 

 collum, posterior margin pale, a little sinuated; pleural flap coarsely punctate, blackish 

 on the middle; sternum and coxae pale greenish-testaceous. Leg- testaceous, anterior 

 coxae and sternum black, the usual two brown bands near tip of femora, the tibiae dark 

 at tip and with black spines, tip of tarsi and nails black. Scutellum with an oblong pale 

 .spot each side near base, and the apex also pale. Corium finely pubescent, flecked with 

 pale dots, more finely and closely punctate than the prouotuci, costa dull testaceous, 

 piceous at tip, inner angle with a pale spot on each wing-cover, tip of the broad cuneus 

 with a dar c brown spot; membrane brown at the outer end of the areole. Venter pube- 

 scent, greenish testaceous, with a dark stripe each side, and some pale dots on the con- 

 nexivum. 



Length to end of venter 4.5-5 mm. To tip of membrane 5.5-6 mm. Width of pronotum 

 2-2.5 mm. One specimen, a male, is in the collection from Colorado, others were sent to 

 me from Indiana, Nebraska, Washington, Mackenzie River region, province of Quebec, 

 and Maine. It is allied to L. pratensis Lian., but it differs in form, length of antennae, 

 and m",rkings." 



Manitoii, April 17th (Gillette). 



I/Xgus pratensis Linn. 



Colorado (Uhler, 1). Above timber line (Carpenter — see Uhler, 6, and 

 Packard, 2). Common in cultivated districts (Uhler — see Packard, 2). Colo- 

 rado, common (Packard, 2). Dm-ing August, around Denver, near Golden, 

 near Colorado Springs, and near Cannon City (Uhler, 5). Golden, July 3d; 

 Blackhawk, July 2d (Packard — see Uhler, 5). West Cliff, Custer County, July 

 27th; also high-alpine (Cockerell, 10). 



Fort Col liijs and adjoining foot-hills April 6th to Septem- 

 ber 30th, very common on alfalfa, sugar beets, and many 

 wild and cultivated plants (Baker and Gillette) . Steamboat 

 Springs, July 26th; Trinidad, May 14th; Georgetown, July 

 19th; Manitou, September 29th (Gillette). Aspen (W. W. 

 Willard). Manitou Park and Colorado Springs (Tucker). 

 La Veta, July 4th (E. A. Schwarz) . 

 I^ygus sallei Sign. 



Steamboat Springs, July 15th (Baker) . Manitou, July 



(Snow) . 



Neoborops Uhler n. gen. 



"Aspect of Neoborus, but with the eyes vertical, more prominent, the vertex and base 

 of front narrower, the lateral margins of pronotum not decurved, and the anterior border 

 of presternum collum-like, with the inner borders of the pleural flaps carried far inward 

 and leaving only a narrow space for the posternum." 



Neohorops vigilax Uhler n. sp. 



"Briglit fulvous or fulvo-testaceous, oblong-oval, scabrous and obsoletely, minutely 

 punctate on most of the upper surface. Head nearly vertical, narrow cetween the very 

 prominent brown eyes, with a broad yellow line on the middle which is bounded each side 



