282 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.41. 



Genus ELACHERTUS Spinola. 



ELACHERTUS EUPLECTRIFORMIS, new species. 



Female. — Length about 1.4 mm. Translucent yellowish-testaceous, 

 the abdomen suffused with brown, the antennae beyond the pedicel 

 brown; eyes in dried specimens red; first joint of funicle about one 

 and one-half times as long as the pedicel, following joints elongate, 

 the fourth as long as the pedicel; all sculpture obscure due to the 

 semitransparent chitin; face above antennae finely lineolate; mesoscu- 

 tum and scutellum finely rugose; propodeum with an anterior median 

 lip, as in the species of the genus Euplectrus, back of this two carinse 

 formmg an inverted V; first joint of hind tarsi slightly longer than 

 second; the single spur on the hind tibise long, reaching about to 

 middle of second joint of tarsi. 



Male. — ^Length about 1.15 mm. Similar to the female. 



Habitat. — Medan, Deli, Sumatra. 



Tyjye.—Cait. No. 13874, U.S.N.M. 



Fifteen specimens reared by Doctor de Bussy from an unkno\\Ti 

 lepidopterous host, and sent under his number 6. 



