AET. 16 WASPS OF THE SUBFAMILY BRACONINAE MUESEBECK 47 



front of scutellum smooth; propodeum regularly areolated, the cari- 

 nae prominent, the areas usually smooth; mesopleural furrow shal- 

 low, smooth, and polished; radius arising from about the middle of 

 the stigma; areolet triangular, subsessile or with a short petiole; 

 nervulus very slightly postf ureal; first abscissa of mediella distinctly 

 shorter than the second; inner spur of hind tibia a little longer 

 than the outer and less than liaK the basitarsus; abdomen as long 

 as the head and thorax combined; first tergite a little longer than 

 broad at apex, with two prominent dorsal keels on the basal half; ab- 

 domen entirely polished, with only the transverse impressions on the 

 second and third tergites, and the sutm-e between these tergites, some- 

 times weakly foveolate; ovipositor sheaths distinctly a little shorter 

 than the body. Head black; palpi blackish basally; thorax black, 

 with the propodeum and metapleura usually red, rarely somewhat 

 blackish; anterior and middle legs black; posterior coxae, trochan- 

 ters, and femora red, their tibiae and tarsi black; wings deeply infu- 

 mated; abdomen entirely red. 



Male. — Length, 5 mm.; antennae of allotype 34-segmented; other- 

 wise like the type; the anterior and middle tarsi of the male are 

 sometimes pale. 



2Vpe.— Cat. No. 28686, U.S.N.M. 



Type locality. — Palm Beach, Florida. 



Described from five females and two males collected by Dr. H. G. 

 Dyar at Palm Beach, Florida. In addition to the type series I have 

 seen two specimens, collected by S. S. Grossman, at Inverness, 

 Florida, which are at the Gipsy Moth Laboratory, Melrose Higlilands, 

 Massachusetts. 



21. BASSUS TENUICEPS, new species 



Differs from related species in combining the absence of parapsidal 

 grooves with unusually narrow temples, a nonrostriform face, promi- 

 nent dorsal longitudinal keels on the first tergite, and entirely yellow- 

 ish legs. 



Female. — Length, 6 mm. Head thin antero-posteriorly, the 

 temples very narrow, strongly receding; face rather flat, smooth, a 

 little broader than long; clypeus broad, only slightly convex; labrum 

 short and broad; third segment of labial palpi minute; eyes moder- 

 ately large; malar space about half the eye height; frons polished, 

 immargined; ocelli large; ocell-ocular line about one and one-half 

 times the diameter of an ocellus ; head only slightly, broadly hollowed 

 out behind; antennae 32-segmented in the type, slender; pronotal 

 pits small, poorly defined; mesonotum polished; parapsidal furrows 

 wanting; furrow in front of scutellum with several distinctly sepa- 

 rated pits; propodeum more or less distinctly areolated, the carinae 

 not very prominent, the areas rugulose; propodeal spiracle small, oval; 



