The Sphegoidea of Nebraska 83 
1895. Anacrabro ocellatus’ Fox, Transactions of the American Ento- 
mological Society, xxii, p. 133. 
Nine specimens of this species have been taken in Nebraska 
as follows: Carns, July, on Euphorbia (M. H. Swenk) ; West 
Point (L. Bruner) ; Neligh, August, on Carduus (M. Cary). 
Family OXYBELIDAE 
KEY TO THE GENERA 
Postscutellar spine long, broad, and emarginate at apex; mandibles with- 
out a median tooth within; clypeus in female truncate, in male four- 
eee aCLetibateraan mtn ith aeNeridks Mantas uae ade ser ck whereas hake Notoglossa 
Postscutellar spine acute or bluntly rounded at apex, never ae 
mandibles with a median tooth within; eae in female truncate, 
iy INSP VGUCE Rey S.Sic ing FIN Ma eae Deca Pn an Osneie 
Genus Notoglossa Dahlbom 
SYNOPSIS OF THE SPECIES 
Scutellum with light colored membranous lateral margins; spine very 
short, mostly white; head, mesonotum, and scutellum sparsely 
punctured; abdomen, with the exception of one or two segments, 
Brent, Ttodse beneath, \S:5—-4 omims’ os ie bbs bak Wo oe Jae abdominalis 
Scutellum without membranous margins; spine longer; head, meso- 
notum, and scutellum more closely punctured; abdomen, except- 
ing sometimes two apical segments, black with whitish or yellow 
ChAT een sent crete OrBore te Ketsar cele winsey esta doe heck s eyaig, W eewiaue! « ieuelevene ate aremetians 1 
1. Vertex with a distinct median tubercle; occiput transversely stri- 
ato-punctate; scutellum coarsely punctured; squamae ter- 
minating in a curved point; spine with a thin semitrans- 
parent tip; abdomen finely punctured; tubercles, tegulae, 
squamae, and narrow transverse spots on sides of seg- 
MentS 1 —Hawiitish: length eb—n Mil shy. 2.8 eee he heres cockerelli 
1. Vertex without a median tubercle; occiput normally punctured; 
scutellim: with= smaller punctures. .22+-2.1 sos de veeee ee 2 
2. Lateral points of squamae much exceeding the tips; sides 
of spine practically straight frem tip to base, apical third 
Pale “seutelband entirely sblacke. 5 Fil. css nine oe Geet ee intermedia 
2. Lateral points of squamae not exceeding the tips; sides of 
spine strongly curved, almost unicolorous throughout; 
scutellum of female usually with two yellow dots. .emarginata 
Notoglossa abdominalis (Baker). 
1896. Oxybelus abdominalis Baker, Entomological News, vii, p. 158. 
405 
