420 PROCEEDINGS OF THE NATIONAL MUSEUM. volxxh. 



TRIMEROTROPIS FERRUGINEA, new species. 



Size, .small or medium; color, cinereous, varying to reddish-brown, 

 rather indistinctly punctate and blotched on the head and pronotum, 

 with the tegminal bands well defined, nearly solid and conspicuous; 

 scutellum deeply sulcate, once and a half (female) or twice (male) as 

 long- as broad, with the median carina slight, but moderately distinct; 

 median and lateral faveolfe moderately well impressed; eyes equal 

 to (male) or a little shorter (female) than the genal groove. Pro- 

 notum with the lateral carinas indistinctly present on the front of 

 the prozone and less frequently on the front of the metazone, disk 

 of the latter with rather numerous larger granulations; process of 

 the metazone obtusangulate, with the margins straight and the 

 tip sharp, Tegmina rather short and somewhat tapering, with the 

 median and basal bands solid on the anterior and middle fields, 

 more or less broken and interrupted on the posterior field; first 

 and second light bands about twice as wide as the third and as 

 the included fuscous band, the basal light band only, punctate with 

 fuscous; apical third with the usual fuscous annuli and punctations 

 rather numerous, but only moderatel}?^ distinct and irregularly 

 grouped; last branch of the radial sector distant from the fork a 

 little more than one-fourth of the length of the sector; median and 

 cubital forks not fused, free or united by a cross vein. 



Wings moderately wide, but attenuate at the tip; disk faint greenish- 

 yellow, with a narrow or rather Inroad but interrupted fuscous band 

 continuing halfway or less toward the anal angle, with the spur 

 ext(Miding distinctly more than halfway to the base. Posterior 

 femora with the lower sulcus light below, with one dark band, 

 more or less infuscated on the basal half , leaving two bands; outer 

 face with a light preapical band preceded and followed by a moder- 

 ately distinct fuscous band. Posterior tibiae blue-black at the base, 

 with a pale subbasal annulus. 



Length of body, male, IT to 21 nnn., female, 28 mm.; length of 

 tegmina, male, 20 to 23 mm. , female, 28 mm. ; length of posterior 

 femora, male, 9 to 11 mm., female, 1-1 mm. 



One male and one female. Soda Springs, Idaho; one female, Canir 

 d'Alene, Idaho, Wickham, collector; one male and one female, Heckla, 

 Wyoming; one female, Madison River, National Park, Wyoming; one 

 male (9500) American Fork Canyon, Utah, August 2 and 3, 1877, Bruner 

 collection. 



TRIMEROTROPIS KOEBELEI Bruner. 



Conozoa koehelei Bruner, Proc. U. S. Nat. Mus., XII, 1890, p. 67. 



This species is closely related to Trimerotropls hifaseiata^ and still 

 more closely to Tri merotropix fci'i'iujinea. If the latter should prove to 

 be onl}-^ a variety of the former this would then undoubtedly be, though 



