146 BULLETIN OF WISCONSIN NATURAL HISTORY SOCIETY. VOL. 4, NO. 4. 
14. Second flagellar joint quadrate tS 
Second flagellar joint transverse flaviscapus Ashmead 
15. First flagellar joint twice as long 1 as thick... .nevadensis Kieffer 
First flagellar joint one and one-half times as long as thick. . . 
mellipes Ashmead 
16. Teguke black pedalis Ashmead 
Tegulae pale glaber Ashmead 
17. thorax black or piceous 19 
Thorax brownish-yellow 18 
18. Head black, abdomen brownish-yellow . . melanocephalus Ashmead 
Head brownish-yellow, abdomen black .... californicus Ashmead 
19. Flagellum of antennae brown (male) longicornis Ashmead 
Flagelhnn in part black 20 
20. Flagellum of antennae entirely black, only the scape rufous. 
wings hyaline pallidiventris Ashmead 
21. Four or five apical joints only, black ; wings tinged with yellow- 
tertius Dalla Torre 
Entirely black, with slight traces of wings, legs golden yellow 
auripes Ashmead 
Not entirely black 22 
22. Entirely yellow or brownish-yellow 23 
Black, only the base of the abdomen yellowish, antennae except 
scape black, wings entirely absent minutus Ashmead 
23. Wings entirely absent, vertex of head fuscous fusciceps Ashmead 
Wings present, but short and narrow, reaching only to the 
middle of the first abdominal segment, antennae black except 
base of scape crassicornis Harrington 
Ceraphron brevicornis sp. nor. 
Male. Length 1.3 mm. Black, legs piceous, the tibiae and tarsi 
honey-yellow. Head shining, smooth, shagreened below on the face ; 
vertex impressed laterally behind the ocelli, and with a slight impressed 
groove extending back from the anterior ocellus and a similar one on 
the front below the ocellus. Antennae entirely black ; scape a little 
shorter than the head height, flagellum a little shorter than the body ; 
pedicel small, moniliform ; first flagellar joint 2y 2 times as long as thick 
and fully three times as long as the pedicel ; second flagellar % the length 
of the first, the two together about as long as the scape ; following each 
as long as the second, the last y 2 longer. Thorax smooth, shining. 
