NO. 2029. DESCRIPTIONS OF NEW HYMENOPTERA, 8— CRAWFORD. 349 



shorter than the pedicel; wings with a distinct but small cloud back 

 of stigmal knob; legs whitish, the coxas green, the hind femora, except 

 tips, brown, with more or less green tinge. 



Male. — Unknown. 



Described from specimens reared at Honolulu, Hawaii, by Mr. 

 D. T. Fulloway from Agromyza diminuta, together with a species of 

 Diaulinus and one of ChrysocJiaris, the type mounted in balsam, para- 

 types both in balsam and on card points. 



Type.— Cat. No. 15674, U.S.N.M. 



In some of the paratypes the middle femora are more or less brown. 



This species resembles D. punctiventris Crawford, but has much 

 stronger and deeper sculpture, has the scutellum with as strong sculp- 

 ture as the rest of the mesonotum (in punctiventris the scutellum is 

 almost smooth medially) and has the legs differently colored. 



Family MYMARIDiE. 

 Tribe GONATOCERINI. 



XENOMYMAR, new genus. 



Tarsi 5 jointed, abdomen sessile, antennae female, 8 jointed, the 

 third joint shorter than pedicel, the fourth joint as long as scape (see 

 fig. 4); of male, 13 jointed; fore 

 wings almost "parallel sided with 

 the marginal vein very long ex- 

 tending thi-ee-fif ths of the length of 

 the dilated portion of wing (see 

 fig. 5) ; cilia at apex of fore wings 

 about one and one-half times as 

 long as greatest width of wing; disk of wing with hairs toward apex 

 indistinctly arranged in about 3 rows; sheaths of ovipositor somewhat 

 exserted. 



Type. — Xenomymar urichi Crawford. 



-Xenomymab ukichi. 



FEMALE. 



Antenna of 



XENOMYMAR URICHI, new species. 



Female. — Length, about 0.5 mm. Very light yellowish with the 



head somewhat brownish, 

 the antennae at base more 

 nearly colorless and apically 

 more brownish; and the 

 wings somewhat infuscated 

 beyond the base of the mar- 

 ginal vein. 



Male. — Length, about 0.4 

 mm. Similar to the female ; 

 joints 4-13 of 'antennge subequal in length. 



Habitat. — Verdant Vale, Trinidad. 



Fig. 5.— Xenomymar urichi. Front wing of 



FEMALE. 



