72 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 63. 



posteriorlA^; wings hyaline, extending the length of the last four seg- 

 ments past the apex of the abdomen. Antennae dark brown; tarsi 

 lighter than in the female. 



Type, locality. — Washington, District of Columbia. 



Type.—Q-At. No. 2290, U.S.N.M. Type female and allotype male 

 selected. 



Redesoribed from the tjqie series, three females and nine males. 

 They were reared, according to Ashmead, on March 31, 1882, from 

 a Cecidomyid gall on the petiole of a grapevine leaf, collected on the 

 grounds of the Department of Agriculture. One male has been lost 

 off the point and several others are more or less damaged but as a 

 whole the specimens are in good condition. All are mounted on card 

 points. 



37. PLATYGASTER LEGUMINICOLAE (Fouts). 



Platygastcr leguminicolae Fouts, Proc. Ent. Soc. Wash., vol. 22, 1920. p. (i9. 



The species was sufficiently well described originally. The tj-pes, 

 29 specimens, were reared from the clover seed midge {Dasyncura 

 leguminicola Lintner) . 



Type locality. — Forest Grove, Oregon. 



Type.— Cht. No. 22799, U.S.N.M. 



38. PLATYGASTER LUPINICOLA (Ashmead). 



Polymecus lupinicola Ashmead, Bull. 45, U. S. Nat. Mus., 1893, p. 281. 



Female. — Length 1.6 mm. Head twice as wide as long, slightly 

 emarginate behind, flattened in front, as wide as the thorax; occiput 

 transversely striate; cheeks subconvex, shagreened posteriorly; Irons 

 finely aciculate, diagonally so on the sides; antennae attenuate, the 

 flagellum as long as the thorax; pedicel more than twice as long as 

 wide, as wide as joint six, wider than either of the joints three, four, 

 or five ; joint three longer than wide, two-thirds as long as four and 

 nearly as wide; four twice as long as wide, equal to five; six a little 

 longer and wider; seven and eight as long as six but somewhat wider, 

 less than twice as long as wide; nine a little wider than eight; ten as 

 long as the pedicel, acutely pointed apically, the sides curved; thorax 

 two-thirds as wide as long, higher than wide, convex and sparsely 

 pubescent dorsally; pronotum aciculate; mesontum hairy, polished; 

 notauli indicated on basal half, the median lobe broadly rounded 

 behind; scutellum transverse, strongly convex, polished above, pubes- 

 cent behind and on the sides; wings hyaline; abdomen lost, " longer 

 than the head and thorax together, pointed at upex, contracted from 

 the apex of the second segment; the fourth segment is one-third 

 longer than the third ; the fifth and sixth nearly twice the length of 

 the fourth; segments three nnd four Avith a transverse row of punc- 

 tures; fifth aciculated except at base.'' lUack; antennae and legs f)io- 

 eous; tarsi fuscous. 



