NO. 2105. NEW SPECIES OF HYMENOPTERA—ROHWER. 233 



the second, ruf o-f erruginous ; legs black; the four anterior femora 

 beneath and the apical two-thirds of the posterior femora ruf o-piceous ; 

 wings dusky, venation dusky brown; apical joints of the posterior 

 tarsi subequal in length with the second. 



Paratypes indicate that the black spot on the second tergite may 

 be wanting. 



Plummers Island, Maryland. Described from tlu-ee females reared 

 by ]yir. August Busck from Hemimenae plummerana Busck which feeds 

 on the flowers of pawpaw, specimens issuing May 21, 1914. 



Type.—Csit. No. 18434, U.S.N.M. 



Family BETHYLIDIDAE. 

 Genus TRISSOMALUS Keiffer. 



TRISSOMALUS FULVICORNIS, new species. 



Female. — Length 4 mm. Mandibles tridentate, the two apical teeth 

 larger; supraclypeal area with a sharp median carina; head pohshed, 

 with a few widely separated punctures; third and fourth antennal 

 joints subequal; ocelli in an equilateral triangle; postocellar hue 

 about half as long as ocellocular hne; thorax shiny; dorsal aspect of 

 the propodeum finely aciculate; the median furrow deep, not quite 

 reaching to the apex; the carina separating the dorsal aspect from 

 the posterior aspect, notched in the middle; posterior aspect of the 

 propodeum transversely irregularly striate ; abdomen shiny, the sec- 

 ond and third segments subequal in length. Black; palpi, antennae, 

 tibiae and tarsi fulvous; wings hyaline, iridescent; venation except 

 the brown stigma and parastigma, yellowish; head and thorax with 

 a few white hairs. 



Davanhalli, Mysore, India. Described from eight specimens labelled 

 as bred from CryptopJilehia carpopJiaga, November 14, 19 11 . Received 

 from L. C. Coleman. 



Type.— Ca.t. No. 1675, U.S.N.M. 



FamHy THYNNIDAE. 

 Genus DOLICHOTHYNNUS Turner. 



DOLICHOTHYNNUS SILVICOLA (Bradley). 

 Ornepetes silvicola Bradley, Deutsch. Ent. Zeit., 1911, p. 131. 



Paratype.— Cat. No. 14507, U.S.N.M. 



Doctor Bradley has kindly sent the Museum a paratype of this 

 interesting species. On examination it proves to belong to the genus 

 Dolichothynnus Turner. 



