- 
The Sphegoidea of Nebraska 81 
Crabro sexmaculatus Say. 
1824. Crabro sexmaculatus Say, Long’s Expedition, ii, Appendix, p. 
341. 
1859. Crabro sexmaculatus Say, Leconte edition, i, p. 230. 
1895. Crabro sexmaculatus Fox, Transactions of the American Ento~ 
mological Society, xxii, p. 146. 
Found throughout the entire state, having been taken at Lin- 
coln, Ashland, York, West Point, Warbonnet canyon, and Glen, 
during August. Easily distinguishable by the impunctate abdo- 
men and peculiar ornamentation of same. 
Crabro stirpicolus Packard. 
1866. Crabro stirpicola Packard, Proceedings of the Entomological 
Society of Philadelphia, vi, p. 111. 
1895. Crabro stirpicolus Fox, Transactions of the American Ento- 
mological Society, xxii, p. 148. 
Eastern portion of the state, taken at Lincoln and West Point, 
from June to August. A small species said by the Peckhams to 
nest in the stems of raspberry. 
Crabro rufifemur Packard. 
1866. Crabro rufifemur Packard, Proceedings of the Entomological 
Society of Philadelphia, vi, p. 81. 
1895. Crabro rufifemur Fox, Transactions of the American Entomol- 
ogical Society, xxii, p. 158. 
Quite common throughout the entire state. I have specimens 
from Omaha, Lincoln, West Point, Gordon, and Glen, from June 
to September. Recognizable at once by the reddish femora. 
Crabro bigeminus Patton. 
1879. Crabro bigeminus Patton, Canadian Entomologist, xi, p. 213. 
1895. Crabro bigeminus Fox, Transactions of the American Ento- 
mological Society, xxii, p. 157. 
Not so common as the former, having been taken only in the 
northwestern portion of the state, in Warbonnet canyon, during 
the month of July at flowers of Petalostemon and Melilotus 
(Cary, Carriker). 
Genus Lindenius Lepeletier and Brullé 
SYNOPSIS OF THE SPECIES 
Checks) with a-strong spine beneath :: i.0.0u0cesa'tes eb edule ae cee armaticeps 
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