GEOLOGICAL SURVEY OF THE TEERITOEIES. 419 



AgalUastes, Fieber. 



A. assodiatus. 'New species. — General form of A. ptiUcarius, Fallen. 

 Sliming black. Head black, polished, impunctured; cranium indented on 

 the middle; eyes brown, the orbits posteriorly yellow; antennte stout, dull 

 black; the second joint cylindrical, as thick as the basal one, about two- 

 thirds as long as the third and fourth united ; third an*d fourth almost 

 equal in thickness, the latter shorter, tapering slenderly toward the tip. 

 Eostrum yellow, reaching to the posterior coxse. Pronotum transverse, 

 moderately flat, polished, obsoletely rugulose, minutely punctured, trans- 

 versely imj)ressed near the front ; the sides oblique, straight. Scutellum 

 obsoletely, minutely scabrous, pubescent. Legs bright yellow. Hem- 

 elytra brownish black, with minute, yellowish, pubescence, obsoletely, 

 coarsely punctured, and minutely scabrous ; membrane smoke-brown, 

 the nervule blackish ; wings white. Abdomen black, with minute yel- 

 lowish pubescence. 



Length, 2 millimeters ; width across the humeri, scarcely 1 millimeter. 



Brought from Ogden, Utah, hy the survey. 



Family Aradid^. 



Aradus, Fab. 



A. rectus, Say, (Heteropt., ISTew Harmony, p. 29, No. 4.) — Obtained in 

 Colorado. It inhabits also Missouri, Florida, isew Mexico, British 

 America, New England, &c. ' 



Family Phymatid^. 



PJiymata, Latr. 



P. erosa, Linn., (Systema Naturse ed. xii, vol. H, p. 71S, No. 19 ;) Ci- 

 mex scor-pio, De Geer, (Memoires, III, p. 350, PI. 35, Fig. 13.) — Brought 

 from Colorado ; but it is a common inhabitant of a great i)art of Nortb 

 America, extending south into Mexico and California. 



Family Eeduvid^. 

 Nobis, Latr. 



1. .2V. inscriptus, Kirby, (Fauna Boreali Amer., p. 280, No. 391.) — In- 

 habits Colorado, Indian Territory, &c., and is quite common in the At- 

 lantic region. 



2. JV. subcoleoptratus, Kirby, (*&., p. 282, No. 393.) — This is a common 

 inhabitant of Colorado, Dakota, Canada, and the Northern States gen- 

 erally. Specimens occur fully winged. 



( ■ 



Sinea, Amyot et Serv. 



S. onuUispinosa, De Geer, (Memoires, IH, 'j). 348, PI. 35, Fig. 11;) Re- 

 duvms raptatorius, Say, (Amer. Entom., PI. 31.) — Brought from Colo- 

 rado ; but is an inhabitant of the greater j)art of North America, from 

 Quebec in Canada to Southern Mexico. 



Fitchia, Stal. 



F. nigro-vittata, Stal., (Ofversigt af Kong. Yetens. Akad. Forhandl., 

 1866, p. 296.)— Collected in Cache Valley, Utah, and at Fort Cobb, In- 



