556 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.58. 



as long as the stigma, the radius slightly longer than the transverse 

 cubitus, and uniting with it in a strong angle; nervellus directed 

 strongly toward base of wing; posterior coxae mostly smooth and 

 shining with a conspicuous, punctate, oval, flattened area on the outer 

 edge at base ; inner spur of posterior tibiae somewhat longer than the 

 outer, and more than half the length of the metatarsus; abdomen 

 rather short, ovate; the first tergite broadening gradually from the 

 base to the apex, smooth and highly polished on the basal half, 

 punctate and opaque on the apical half; second tergite trapezoidal, 

 more than twice as broad as long, the sides oblique on the basal half, 

 parallel on the apical half, posterior margin practically straight, the 

 tergite very finely, indistinctly rugulose and opaque; remainder of 

 the abdomen perfectly smooth and very highly polished; ovipositor 

 subexserted. Black; antennae entirely, tegulae, all coxae, basal 

 trochanters, and the posterior femora, and entire abdomen, black; 

 base of middle femora, apex of posterior tibiae and the posterior 

 tarsi, dusky; wings hyaline, stigma and veins brown. 



Cocoons. — Deep buff in color; gregarious, but not inclosed in a 

 ball of silk, and with almost no loose silk about each one. 



Type locality. — Falls Church, Virginia. 



Type.— Cat. No. 22541, U.S.N.M. 



Host. — Anisota senatoria Smith and Abbot. 



Described from tAvo female specimens bred by Miss Ada Kneale, 

 in the Bureau of Entomology, under Quaintance Xo. 14501. 



131. APANTELES NITENS, new species. 



In structure practically identical with gri^fjini: differs from that 

 species, however, in the black legs and the entirely black and some- 

 what longer antennae. 



Female. — Length 2 mm. Head weakly punctate, shining; face 

 with a rather distinct median ridge below antennae ; mesoscutum dis- 

 tinctly but not closely punctate ; scutellum with the disk entirely im- 

 punctate and very highly polished, the lateral face mostly smooth 

 and shining; mesopleura somewhat punctate anteriorly and below, 

 polished behind; propodeum coarsel}^ rugose, with a rather distinct 

 median longitudinal carina ; inner side of the stigma almost or quite 

 twice as long as the outer; metacarpus not longer than stigma ; radius 

 shorter, or at least no longer, than the transverse cubitus; posterior 

 coxae slightly granular above, smooth and shining on the outer face; 

 posterior femora slender; spurs of posterior tibiae about equal in 

 length and a little less than half the length of the metatarsus ; abdo- 

 men rather short-oviil : the first abdominal tero-it-i^ much broader at 



