OF WASHINGTON, VOLUME XVI, 1914 79 



of the eyes, ocelli situated in a blackish spot; antenna? navous with dark 

 tips, scape large, as long as pedicel and first flagcllar joint together, last 

 four joints of flagellum bead-like; thorax finely shagreened and clothed 

 with short, fine, silvery pubescence ; propodeum with an irregular transverse 

 carina and an indistinct triangular areola, the posterior face irregularly, 

 longitudinally striate; wings hyaline, veins brown except in middle of wing, 

 where they are pale, stigma and parastigma pale more or less infuscatrd 

 behind; coxa?, trochanters, tibia? basally, and anterior femora whitish, 

 apical tarsal joints blackish, apex of posterior tibiae somewhat infuscated, 

 legs otherwise concolorous with the body; carapace except apically on the 

 third tergite distinctly, coarsely, longitudinally striate, apically and be- 

 tween the stria? shagreened, deeply, roundly emarginate at apex, venter 

 whitish. 



Male: Differs from the female principally in having the scape relatively 

 shorter, the flagellar joints beyond the middle longer, and the emargina- 

 tion of the carapace less pronounced. 



Type: Cat. U. S. Nat. Mus. No. 18417. 



Type-locality: Benton Harbor, Michigan. 



Host: Recurvaria nanella Hiibn. 



Described from four females and four males reared June 24, 

 1913 by J. H. Paine of the Bureau of Entomology, under Quaint- 

 ance No. 10602. 



Dr. J. M. Aldrich addressed the Society informally on the use 

 by Indians of the west of larvae of a species of the genus Coloradia 

 as food, and exhibited specimens. 



CONCERNING SOME APHELININ/E. 1 



BY L. O. HOWARD. 

 GENUS MESIDIA Foerster. 

 Mesidia Foerster. Hymenopterologische Studien, Heft. 2, 1856, p. 30. 



The genus Mesidia was founded by Foerster on page 30 of his 

 Hymenopterological Studies, second part (1856) but he mentioned 

 no species. Kirchner, in his Catalogue of the Hymenoptera of 

 Europe (1867) lists, on page 143, Mesidia pallida Kirch., and in 

 a footnote states that as Foerster founded the genus and kept 

 his species in manuscript which was never published he takes the 

 liberty of giving a specific name to help establish the genus. In 

 this condition the genus rested until 1904, when Gustav Mayr 



1 Presented at the meeting of April 2, 1914. 



