778 BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



Fam. MOEDELLID^. 



Mordellisiena arida Le 0. 



Common on various flowers growing near the mouth of the Canon of 

 the Arkansas, August 10. 



Other small species were found at various points on the plains, most 

 of them being of a black color, marked with sericeous pubescence. 



No specimens of the larger forms, such as Mordella and Rhipi^jhorus, 

 were found, although localities favorable to their appearance were fre- 

 quently met with. 



Fam. MELOID^. 

 Upicauta ferriiginea Say. 



Very abundant upon the plains and in some places in Clear Creek 

 Canon, settling in the heads of many kinds of flowers, but especially in 

 the various kinds of sunflowers, August 4 to 18. It was not only to be 

 found upon the plains, but was far from uncommon in the parks of the 

 mountains, as at Manitou Park and elsewhere, wherever sunflowers and 

 golden-rod were in bloom. 

 Epicauta pensylvanica De G. 



Occurred only at Bijou, chiefly on the flowers of a golden-rod, Au- 

 gust 19. 



Fyrota engelmanni Le C. 



Common at Bijou, August 19, on the flowers of golden-rod, etc. T:^ot 

 met with in any other locality. 



Cantharis nuttalli Say. 



A dead specimen was picked up in Manitou Park, the only one 1 was 

 able to find during the whole course of my excursion. 



Cantharis higuttata Le C. 



On flowers at Colorado City and also near Canon City, August 10 to 

 16. Not abundant. 



Zonitis atripennis Say. 



Abundant at Caiion City, but rare at Colorado Springs, and only a 

 little more common at Bijou ; on sunflowers, etc. 



Zonitis hilineata Say. 

 Eare, and found only at Caiion City, on sunflowers. 



Nemognaiha immaculata Say. 



Common at Caiion City and at Bijou, on sunflowers, etc., August 10 

 to 19. 



Nemognatha liirida Le C. 



Found only at Caiion City, in small numbers, on flowers. 



Qnathium minimum Say. 



This very interesting species occurred in considerable numbers upon 

 the heads of sunflowers, near Caiion City, August 10 and 11. It often 

 lay bent together and buried in the mass of stamens and pollen of these 



