558 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 5S, 



135. APANTELES ACAUDUS (Provancher). 



Microgaster acaudiis Provancher, Addit. faun. Canad. Hymenop., 1S86, 



pp. 139, 142. 

 Apanteles acaudus Provancher, Addit. faun. Canad. Hymenop., 1888, 



p. 388. 



Habitat. — Canada. 



ZTos^.-^Unknown. 



Very distinct, in possessing especiall}^ long spurs on posterior 

 tibiae, the inner spur being about three-fourths the length of the 

 metatarsus. 



The writer has seen only a single specimen of this species. This 

 specimen, which is in the United States National Museum, was com- 

 pared with the type, which is in the Museum of Public Instruction at 

 Quebec, by A. B. Gahan and made a homotype. It is Ayithout 

 locality or host labels. 



136. APANTELES ARGYNNIDIS Riley. 



Apanteles ar(jynnidi.s Riley, in Scudder, Butterflies U. S., 1889, p. 1904. 



Habitat. — West Virginia; District of Columbia; California. 



Host. — Argynnis cybele Fabricius (Riley) ; Argynnis, species. 



Cocoo7is. — Small, whitish, gregarious, not inclosed in a mass of 

 silk. 



Besides the type series the National Collection contains two speci- 

 mens from Placer County, California, said to have been reared from 

 an unidentified species of Ai^gynnk. 



137. APANTELES PRENIDIS, new species. 



Female. — Length, 2.5 mm. Head strongly shining; face very 

 minutely punctate; vertex and temples mosth?- polished; antennae 

 almost as long as the body; niesoscutum with sharp separate punc- 

 tures on the anterior two-thirds, practical]}^ impunctate and polished 

 posteriorly ; disk of scutellum very flat, entirely impunctate and 

 highly polished; mesopleura distinctlj^ punctate anteriorly, polished 

 behind; propodeum coarsely rugoso-reticulate, with a very promi- 

 nent median longitudinal carina, opaque; radius not, or indistinctly, 

 longer than the transverse cubitus ; posterior coxae smooth and • 

 strongly shining; inner spur of posterior tibiae slightlj^ longer than 

 the outer and about half as long as the metatarsus ; abdomen broad- 

 oval; first abdominal tergite broader at apex than at base, ruguloso- 

 punctate ; second tergite broad, almost rectangular, only indistinctly 

 roughened, mostly smooth and shining; suturiform articulation 

 foveolate laterally; third and following tergites smooth and pol- 

 ished; ovipositor sheaths hardly exserted. Black; antennae entirely 

 brownish-black; tegulae black; legs testaceous, except all coxae, 



