AET. 15. REVISION OF ICHNEUMON-FLIES MUESEBECK. 39 



tergite is longest medially ; third tergite, like the following, smooth 

 and polished ; ovipositor sheaths a little more than half as long as 

 the abdomen, broadening gradually toward apex. Black; mouth- 

 parts piceous; antennae black; tegulae and wing-bases black; wings 

 hyaline, the apical third very weakly fuliginous ; all coxae and basal 

 segment of trochanters black; remainder of legs testaceous, except 

 a small spot on the lower side of posterior femora at base, the apices 

 of posterior femora and tibiae, and the posterior tarsi, which are 

 blackish; abdomen wholly black. 



Male. — Differs from female only in the longer antennae, in the 

 second abdominal tergite being longer than the third, and in the 

 suture between second and third tergites not curving forward sa 

 distinctly at the sides. 



Type locality. — Canada. 



Type.— C^t. No. 23995, U.S.N.M. 



Described from six female and seven male specimens labeled " Cana. 

 2156, Collection C. F. Baker." 



Besides the type series, which is in the National Collection, I 

 have seen the following material of this species: one specimen, in 

 the Boston Society of Natural History, collected by Mr. C. W. 

 Johnson, at Auburndale, ^lassachusetts ; one specimen in Doctor 

 Brues's collection, from Hyannis Point, Massachusetts; and one from 

 the collection of the American Museum of Natural History, taken at 

 Nyack, New York, by J. L. Zabriskie. 



23. MICROGASTER FEMORALIS, new ipecies. 



Very close to phthor'miaeae. It differs from tliat species in the 

 black femora, in the more punctate and less polished mesoscutum^ 

 the smaller scutellum, the more finely striate third tergite, the nar- 

 rower and unicolorous stigma, and the somewhat shorter ovipostor. 



Female.— L^ngih. 2.8 mm. Face prominent, broader than long, fine- 

 ly punctate, and with a more or less distinct shining tubercle below 

 the antennal fossae ; vertex impunctate, polished : temples very shal- 

 lowly punctate and shining; antennae a little shorter than the body; 

 mesoscutum entirely distinctly though shallowly punctate, shining; 

 scutellum small, very slightly convex, impunctate and polished; 

 mesopleurae weakly punctate anteriorly and below, but mostly pol- 

 ished ; propodeum rugose, with a median longitudinal carina ; stigma 

 rather narrow, and about as long as the metacarpus ; radius arising 

 far out on stigma, rather strongly curved ; second cubital cell small ; 

 posterior coxae about half as long as the thorax, mostly smooth and 

 shining, without a distinct flattened area on the outer edge at base; 

 inner spur of middle tibiae a little longer than middle metatarsus; 

 inner spur of posterior tibiae two-thirds as long as the posterior 



