78 Harry Scott Smith 4 
1895. Crabro advenus Fox, Transactions of the American as a 
ical Society, xxii, p. 171. 
Inhabits the entire state; Glen, West Point, Lincoln, Weeping 
Water; flies from April to September. This is one of the first 
insects to appear in eastern Nebraska in the spring. 
Crabro vernalis (Packard). 
1867. Thyreopus vernalis Packard, Proceedings of the Eneviepeen 
Society of Philadelphia, vi, p. 369. 
1895. Crabro vernalis Fox, Transactions of the American Entomolog- 
ical Society, xxii, p. 173. 
So far taken only in the northwestern corner of the state, in 
Sioux county. As its name indicates, it is a vernal species, the 
specimens having been taken in May. 
Crabro largior Fox. 
1895. Crabro largior Fox, Transactions of the American Entomolog- 
ical Society, xxii, p. 161. 
Range extends across the entire state. The specimens studied 
are from Warbonnet canyon and Lincoln, taken during the month 
of June. One of the largest Crabronids. 
Crabro latipes F. Smith. 
1856. Crabro latipes F. Smith, Catalogue of Hymenoptera in the Brit- 
ish Museum, iv, p. 396. 
1895. Crabro latipes Fox, Transactions of the American Entomolog- 
ical Society, xxii, p. 169. 
‘This species is represented by a single male from Lincoln, but 
as it is found in almost all of the western states will doubtless be 
taken sooner or later in the western portion of our own state. 
Crabro argus (Packard). 
1867. Thyreopus argus Packard, Proceedings of the Entomological 
Society of Philadelphia, vi, p. 359. 
1895. Crabro argus Fox, Transactions of the American Entomological 
Society, xxii, p. 165. 
Like the above, represented by a single male specimen, but 
from the northwestern portion of the state, it having been taken 
at Glen, August 12, 1906 (P. R. Jones). 
Crabro vicinus Cresson. 
1865. Crabro vicinus Cresson, Proceedings of the Entomological So- 
ciety of Philadelphia, iv, p. 479. 
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