/.'/■; 1 7.S70.V or tut: gents tiumej!Otj:()1'Is—.v<xi:ill 445 



Los Angoles, California, Brunei". I have seen Brunei's types in 

 tlie IT. S. National Museum, and I have typical specimens from him 

 from Los Angeles, California, and Camp Umatilla, Wyomin<^. 



TRIMEROTROPIS CYANEIPENNIS Bruner. 



Trimcrolrojiis ci/((utij>i'tiiiis iinvsKii, Proc. U. S. Nat. Miii^., XII, 1S90, ]). 08. 



Scutellum of the vertex narrow; median cai'ina indistinct. Pi'ono- 

 tum with the anterior margin scarcely angulate; median carina scarcely 

 cristate even on the prozone: disk of the metazone smoothly granulate, 

 sometimes with a few scattcMvd larger granulations; metazone nearh' 

 twice as long as the prozone, with its process scarcely acute-angular, 

 the sides straight and the tip slightly rounded. Wings not quite twice 

 as long as l)road; disk de(>p blue, with a moderately broad distinct 

 black band, which sends a spur a little more than halfway to the base 

 and is continued on the exterior margin never more and usually much 

 less than halfway to the anal angle; apex hyaline, without any infus- 

 cated cells. Posterior tibia' deep blue, with a pale basal or sub))asal 

 annulus, sometimes suffused on the outside with brown. 



Length of body, male, 23 nun.; female, 30 nmi. Length of teg- 

 mina, male, 23 mm.; female. 31 nun. Length of |)osterior femora, 

 male, 12 nnn. ; female, 5^ mm. 



Hahltat. — Salt Lake Valley, Utah. Bruner. 1 have seen Bruncr's 

 types in the U. S. National Museum, also specimens from (J rand 

 Canyon and Flagstafi', Arizona. Bi'uner says of this species: '"'Itfre- 

 (juents rather well-clothed surfaces among the rocky talus of mountain 

 sides." 



AZURESCENS group. 



Frontal costa distinctl}' sidcati^, but \'ery briefly above the ocellus; 

 scutellum always plainly longer than wide, but less obviously in the 

 females; central and lateral foveoke distinct. Pronotum with the 

 metazone nearly twice as long as the prozone, at least plainly more 

 than once and a half as long; median carina low and very slightly cris- 

 tate, even on the prozone; lateral carinie obsolete, even on the front 

 part of the prozone, but the disk plain and shoulders well marked; 

 lateral lobes nevei- toothed; process of the metazone rectangular or 

 acute. Tegmina maculate with annular .spots, which are generally 

 collected into quite irregular and ill-detined bands, one occupying the 

 basal third, another the middle, and the last the apical third; middle 

 tield Ijeyond the median and cubital forks largely hyaline; intercalary 

 vein on its apical half close to the median, at same point separated 

 from it by about once its w'idth; the median is free from the cubitus 

 at the end of the intei'calai'v held or united with it b}- a short vein, 

 but never fused with it. Wing without any trace of a fuscous band 



