mee eee ae See =" 
The Sphegoidea of Nebraska Se 9 
Found most frequently in the northwestern corner of the state, 
- in Sioux county, during July, but has been taken as far east as 
Brady Island. Easily recognized on account of its being entirely 
black. 
_ Psammophila grossa (Cresson). 
1872. Ammophila grossa Cresson, Transactions of the American En- 
tomological Society, iv, p. 209. 
1903. Psammophila grossa Melander, Psyche, x, p. 158. 
This species inhabits the entire state, specimens having been 
taken at Lincoln, West Point, Holt county, and Glen. Flies from 
_June to September. The robust form and the short petiole serve 
to readily distinguish this species from the other members of the 
genus. 
Psammophila violaceipennis (Lepeletier). 
1845. Ammophila violaceipennis Lepeletier, Histoire Naturelle des In- 
sectes, Hymenoptera, iii, p. 370. 
1903. Psammophila violaceipennis Melander, Psyche, x, p. 159. 
Found abundantly throughout the entire state. Sioux county, 
West Point, and Lincoln, July and August. Easity separated 
from the above by the more slender form and long petiole. 
Subfamily CHLORIONINAE 
Genus Chlorion Lepeletier 
SYNOPSIS OF THE SPECIES 
Second cubital cell of fore wings higher than broad................. aL 
Second cubital cell of fore wings as broad or broader than high...... 7 
1. Claws with one tooth; body bright green or blue............ cyaneum 
1. Claws with two or more teeth....... Re eee 2 
2. Claws with two teeth; clypeus with a median truncated lobe 
and a sinus on each side; abdomen black or at most only 
faintly brownish or ferruginous.................. laeviventris 
2. Claws with three to six teeth; clypeus without a median 
truncated lobe but often with-a median emargination or 
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3. Abdomen entirely black-or dark brown... ........cececss ceeds atratum 
3. Abdomen with some ferruginous or yellow color, at least ventrally 4 | 
RSIS ES rat pth ROA ae es ee Ad we Sng ata es all cooap Ree 5 
MORIA OS elaeiel ae Tatas cele cls o.eeiela's ah elms do hOK Gy wes el ewiea okies  eifect pe 
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