294 ENTOMOLOGICAL NEWS. [July, '07 



2. Nomia nortoni Cresson. 



Lincoln, Nebraska City, Union and Harvard, Nebraska, 

 June 9 to September 14, at flowers of Solidago rigida, Grindelia 

 squarrosa, Cassia chamaechrista and Petalostemon violaceus. 



Genus EUNOMIA Cresson. 



1. Eunomia heteropoda Say. 



West Point and Ord, Nebraska, August. 



2. Eunomia apacha Cresson. 



Sioux County, Nebraska, a single female specimen taken. 



Genus EPINOMIA Ashmead. 

 i. Epinomia triaugnlifera Vachal. 



Lincoln, Nebraska City and Cedar Bluffs, Nebraska, August 

 4 to September 18 at flowers of Helianthiis annuus, Grindelia 

 squarrosa, Polygonum hydropiper and, less commonly* on 

 Solidago rigida and Vernoma sp. also. This species has 

 formed a large colony on the^alt flats west of Lincoln. 



Family BOMBIDAE. 

 Genus BOMBIAS Robertson, 

 i. Bombias separatus (Cresson). 



This species is abundant over the entire State. Specimens 

 before me are from Lincoln* Omaha, Beatrice, South Bend, 

 Weeping Water, Nebraska City, West Point, Neligh, Niobrara, 

 Springview, Gordon and Sioux County. The females com- 

 mence to fly in late April, principally upon the flowers of 

 Primus, Sali.v, Ribes, Rnbits, Mains, Astragalus and Lonicera; 

 the workers appear in numbers during the third week in 

 June, visiting during the summer and fall the flowers of 

 Petalostemon, Psoralca, Verbena, Symphoricarpos, Monardia, 

 Cassia and Solidago; the males are abundant during Septem- 

 ber and October on Carduns and Helianthiis. 



2 Bombias scutellaris (Cresson). 



Of our three common eastern Nebraska Bombias this species 

 is the least plentiful. It is present over the entire State, but 

 is more common eastwardly, having been captured at Lincoln, 

 Omaha, Nebraska City, West Point, Cams and in Sioux 

 County. It flies from early June to early October, chiefly on 

 Petalostemon, Carduus, Helianthus, Solidago and Grindelia. 



