1907.] Br lies, North American Parasitic Hymenoptera. 
97 
3. Body entirely black 5 
Body pale, or the tip of the abdomen conspicuously red 4 
4. Brownish-testaceous, head piceous, antennae and leg-s honey 
yellow flaviventris Kieffer. 
Only the tip of the abdomen reddish texanus Ashmead. 
5. Metanotum with a median raised long-itudinal line or carina 
which extends to the tip, and often with shorter basal ones 
on each side 6 
Metanotum without a median carina except toward the base, 
four anterior tibiae and all tarsi rufous indivisus Kieffer. 
6. Wings hj^aline or nearly so 7 
Wings distinctly subfuscous 15 
7. Metanotum with only a single median carina, aside from the 
lateral raised margins 8 
Metanotum with additional longitudinal carinse on each side 
of the median one toward the base 11 
8. Pronotum twice as long as the mesonotum 9 
Pronotum at most one-third longer than the mesonotum 10 
9. Eyes bare, femora black clarimontis Kieffer. 
Eyes hairy, legs entirely reddish longicollis KiefTer. 
10. Head above finelj^ punctate nudicornis Kieffer. 
Head above impunctate erigoni Kieffer. 
11. Legs in part black, at least some of the coxae 12 
Legs including coxa? pale rufous or pale honey-yellow, meta- 
thorax with about seven raised lines, the lateral ones abbre- 
viated bifoveolatus Ashmead. 
12. Legs entirely black, the tibiae and tarsi brownish pubescent. 
monticola Ashmead. 
Legs not entirely black 13 
13. Prothorax twice as long as the mesonotum ; legs rufous, coxae 
and anterior femora black, middle and posterior femora 
fuscous minutus Ashmead. 
Prothorax at least three times as long as the mesonotum. ... 14 
14. Head one-half longer than broad, joints 2-5 of the flagellum 
one half as long as thick calif ornicus Ashmead. 
Head scarcely longer than wide, joints 2-5 of flagellum quad- 
rate myrmecophilus Brues. 
