Det. VanDuzee. 
Leadville, August 23d 
Colorado (VanDuzee, 4). 
HEMIPTERA OF COLORADO. 93 
Athysanus gammaroides VanD. Det. VanDuzee. 
Colorado (Gillette—see VanDuzee, 3). Colorado (VanDuzee, 4). 
Foot-hills, five miles west of Fort Collins, April 25th 
(Gillette). 
Athysanus instabilis VanD. 
Colorado (VanDuzee, 4). 
Steamboat Springs, July 26th* 
(Gillette). 
Athysanus plutonius Uhl. 
Clear Creek Canon, August 6th (Uhler, 5). 
Athysanus relativus n. sp. 
_ Q ^ a i r obsoletus - Female: Clypeus fully one-third longer than broad, sides nearly 
p rallpl 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 Ion- 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 longitudL 
nally wrinkled; disc of vertex nearly flat, at middle 
nearly two-thirds longer than at iheeyes. Prono- 
tum smooth on anterior third, transversely wrinkled 
on posterior two-thirds, width more than twice the 
ength, anterior margin broadly rounded, posterior 
^,Vlp c er f St m ngly COnCave ’ Posterior angles rounded, 
sides feebly carinated. Scutelium coarsely sha¬ 
greened, transverse groove curved forwards. Hind 
margin of last ventral segment with posterior 
angles produced, acute, with a broad shallow me¬ 
dian notcn, having a short blunt tooth at the -enter 
Color pale sordid yellowish; face with six smoky 
transverse lines on the front; vertex unicolorous 
pronotum without distinct marking; scutelium with 
two small, more or less distinct, darker spot* near 
base; elytra with nervures whitish, areoles more or 
lesfe distinctly broadly margined with fuscous or 
i ac vis i, venter yellow; lateral margins and apex 
of last ventral segment black; legs nearly coneolor- 
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-vittatus VanD. Dat. VanDuzee. 
Colorado (VanDuzee, 4). 
In Frans. Amer. Ent. Soc, XIX, Mr. VanDuzee- separates Athysanus on "Elytra short 
tthout an appendix,” giving no exceptions. In his arrangement of the species of the 
