2 Clarence E. Mickel 
short, silvery pile; very minutely punctate, the posterior segments slightly 
more strongly punctured than the anterior ones; first abdominal tergite 
with a broad, yellow fascia on the posterior margin, deeply and widely 
emarginate medially, second abdominal tergite with a yellow fascia on 
the posterior margin, very broadly emarginate on the anterior margin; 
third abdominal tergite with a yellow fascia on the posterior margin, the 
fascia suddenly widened laterally; fourth and fifth abdominal tergites 
with narrow yellow fasciae, widely interrupted medially; second abdomi- 
nal sternite with a median and lateral yellow spots on the posterior mar- 
gin. Coxae and trochanters black; femora black, excépt anterior and 
intermediate ones more or less yellow at the tip, and distal half of pos- 
terior ones testaceous; tibiae yellow, anterior and intermediate ones with 
a black spot posteriorly, and posterior ones black posteriorly; anterior 
and intermediate tarsi yellow, posterior tarsi testaceous. Wings sub- 
hyaline, with the usual fuscous cloud in the marginal cell; stigma yellow- 
ish; cubital cell in hind wings terminating very little beyond the origin 
of the cubital nervure. 
2. Unknown. 
Type, a male taken at Mitchell, Nebraska, June 16, 1916 (C. 
E. Mickel). 
Runs in Fox’s table to atricornis but differs from that species 
by the coarse and irregular sculpture of the propodeum and the 
markings of the head, thorax and abdomen. 
Subfamily Oxybelinae 
Notoglossa albomaculata sp. nov. 
6. Length 7 to 8 mm. Head black, clothed with silvery pubescence; 
clypeus 5-dentate; frons, vertex and cheeks with close, deep punctures; 
space between the two posterior ocelli distinctly more than twice the dis- 
tence between the lateral ocelli and the nearest eye margin; flagellum 
reddish beneath. Thorax black, covered with sparse, silvery pubescence; 
prothorax anteriorly with a strong, sharp carina, interrupted medially; 
mesonotum, scutellum and mesepisterna with close, deep punctures; scu- 
tellum and metanotum with a median, longitudinal carina; lateral points 
of the squamae much exceeding the tips of the squamae; metanotal spine 
grooved, broader at the tip, broadly and roundly emarginate; enclosed 
area of propodeum, beneath the spine, obliquely striate; posterior face of 
propodeum closely punctate; metapleura striato-punctate; squamae whit- 
ish; tip of metanotal spine brownish; tegulae reddish; spot on posterior 
lobes of pronotum whitish. Abdomen black, with very sparse, fine,,silvery 
pubescence; strongly punctured; more so on the basal than on the apical 
segments; first abdominal tergite with a median, longitudinal sulcus; 
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