HEMIPTERA OF COLORADO. 



93 



Athysamis gammaroides VanD. Det. VanDuzee. 



Colorado (Gillette— see VanDuzee, 3). Colorado (VanDuzee, 4). 



Foot-hills, five miles west of Fort Collins, April 25tli 

 (Gillette). 



Athysamis instabilis VanD. Det. VanDuzee. 



Colorado (VanDuzee, 4). 



Steamboat Springs, Jnly 26th; Leaclville, August 23d 



(Gillette). 



Athysamis phitonhis Uhl. 



Clear Creek Canon, August Gth (Uhler, 5). Colorado (VanDuzee, 4). 

 Athysamis relativiis n. sp. 



Near obsoletus. Female: Clypeus fully one-third longer than broad, sides nearly 

 parallel, apex nearly truncate; lorae as long and nearly as broad as clypeus; genae 

 broad, slightly depressed, outer margin broadly 

 rounded, attaining tip of clypeus and moder- 

 ately broad beneath the lorae; front as long as 

 broad, less than twice as long as the clypeus, 

 superior angle rather sharply rounded; face and 

 anterior third of vertex rather coarsely shagreened, 

 posterior two-thirds of vertex medially longitudi- 

 nally wrinkled; disc of vertex nearly flat, at middle 

 nearly two-thirds longer than at the eyes. Prouo- 

 tum smooth on anterior third, transversely wrinkled 

 on posterior two-thirds, widtli more than twice the 

 length, anterior margin broadly rounded, posterior 

 rather strongly concave, posterior angles rounded, 

 sides feebly cariuated. Scutellum coarsely sha- 

 greened, transverse groove curved forwards. Hind 

 margin of last ventral segment with posterior 

 angle.s produced, acute, with a broad shallow me- 

 dian notch, having a short blunt tooth at the 'tenter. 

 Color pale sordid yellowish: face with six smoky 

 transverse lines on the front; vertex unicolorous; 

 pronotum without distinot marking; scutellum with 

 two small, more or less distinct, darker spot^ near 

 base; elytra with nervures wliitish, areoles more or 

 less distinctly broadly margined wltii fuscous or 

 blackish; venter yellow; lateral margins and apex 

 of last ventral segment black; legs nearly concolor- 

 ous, spots at bases of tibial spines black, tarsi infus- 

 cate. Length 5 mm. 



Male: Clypeus a little narrower than in female; 

 venter sometimes almost entirely black. 



Described from two females and one male. 



Fort Collins, September 27th on grass (Gillette). 



*Athysanus 6-vittaUis VanD. 

 Colorado (VanDuzee, 4). 



D3t. ^'anDuzee. 



*In Trans. Amer. Ent. Soc, XIX, Mr. VanDuzei- separates Athysanus on 'Elytra short, 

 without an appendix," giving no exceptions. In his arrangeMient of the species of the 



