246 ENTOMOLOGICAL NEWS. [June, '08 



men has the bands on the abdomen wider and darker yellow. 

 The pubescence is black. 



CRABRO (Thyreopus) LATIPES Sm. 6 $ $ Florissant, Colo., 



June and July, 1907, on foliage of Ribes vallicola (Roh.) ; 4 



$ $ Florissant, Colo., July, 1906 "flying around Ribes," 



(Ckll.) ; 2 $ $ Florissant, Colo., July 7, 1907, on foliage of 



SalLv br achy car pa (Roh.) ; 4 $ $ Boulder, Colo., Sept. 4, 



1906, on foliage of Vitis rinifera, (Roh.) ; $ Boulder, Colo., 

 June (G. M. Hite) ; $ Copeland Park, Boulder Co., Colo., 

 Sept. 6, 1907 (Roh.). The last does not seem to be the same, 

 but I can find no good characters on which to separate it. All 

 of them have black hair on thorax above and vertex, pale hair 

 on the front, white on mesopectus. The abdomen is elongate 

 as in Coloradpnsis Pack., which is considered a synonym of 

 latipcs. The strength of the metathoracic ridges varies some- 

 what, also the keel on the cheeks. 



CRABRO (Synothyreopus) CONSPICUUS Cress. Boulder, Colo., 

 May 18 (G. M. Hite), Aug. 30, 1906 (Roh.). 



CRABRO (Blepharipus) NIGRICORNIS Prov. 9 Copeland Park, 

 Boulder Co., Colo., Sept. 4, 1907, alt. about 8500 ft. (Roh.). 

 New to Colorado. 



CRABRO (Blepharipus) ATER Cress. Florissant, Colo., July 7, 



1907, fls. Heracleum lanatum, (Roh.). 



CRABRO ERRANS Fox. $ Jim Creek, Boulder Co., Colo., Sept. 

 7, 1907, fls. Enogonum effusum (Roh.) ; Florissant, Colo., 

 July 21, 1906, on Cleome serrulata, also July 19, 1906 (Ckll.) ; 

 $ Las Vegas, N. M., June 7 (Ckll.). 



CRABRO (Cuphopterus) CONFERTUS Fox. 5 Copeland Park 

 Park, Boulder Co., Colo., Sept. 6 1907, (Roh.) ; $ Florissant, 

 Colo., July 18, 1906 (Ckll.). The male has a good deal of white 

 pubescence on the head and thorax. 



CRABRO (Solenius) BELLUS Cress. 9 Boulder, Colo., June IT 

 (G. M. Hite) ; 5 Florissant, Colo., July 28, 1907, fls. Carduus 

 acaulcscens, also July 21, 1907, fls. Geranium richardsonii 

 (Roh.). 



CRABRO (Xestocrabro) SEXMACULATUS Say. Las Vegas, N. 

 M., Aug. 3, 1907 on foliage of Veratrwn (Ckll.). 



CRABRO (Xestocrabro) TRIFASCIATUS Say. 9 Cripple Creek, 



