170 PliOCEEDIAGS OF THE NATIONAL MUSEUM. vol.53. 



terurn anteriorly; black; body with sparse long gray hairs; wings 

 dark brown, venation the same color. 



Male. — Length 5 mm. ; length of the antennae 4 mm. Agrees well 

 with the above description of the female except for the abdomen, 

 where the following differences may be noted : First tergite anteriorly 

 is reticulate; the embossed area of the second tergite is one and one- 

 half times as wide as long; the entire third, fourth, and fifth tergites 

 are longitudinally striate and there are no transverse sutures. Color 

 as in female. 



Type-locality. — Santa Cruz Mountains, California. Described 

 from one female (type) and three males, one allotype. 



Type.— Cat. No. 19002, U.S.N.M. 



Superfamily SERPHOIDEA. 



POLYGNOTUS BURKEI, new species. 



In Ashmead's table to the species of Polygnotus this species will 

 go to diplosidis Ashmead, from which it may be separated by the 



distinct furrow from the anterior 

 ocellus. 



Female. — Length 1 mm. Head 

 shing impunctate; vertex finely 

 transversely aciculate; a distinct 

 ^'~Y1__J^ elongate depression below the an- 

 terior ocellus; intraocellar line dis- 

 Fio. 1.— Polygnotus bdrkei, new tinctly shorter than the ocellocular 

 SPECIES. Antenna of female. jjj^g . pedicellum slightly longer than 

 the two following joints; mesoscutum slightly opaque anteriorly, 

 shining posteriorly; notauli obsolete; mesopleurae shining, without 

 sculpture; metapleurae feebly sculptured; petiole longitudinally 

 striate; base of second tergite longitudinally aciculate, rest of the 

 abdomen shining, without sculpture. Blacl^ ; four anterior tibiae and 

 tarsi and the posterior tarsi brownish ; wings hyaline. 

 Male. — Length 1 mm. Agrees with the female. 

 Type-locality. — Placerville. California. Described from four 

 females (one type) and four males (one allotype) recorded under 

 Bureau of Entomology number Hopk. U. S. 12703«, which refers to 

 a note stating that this species is parasitic on a Cecidomyid which 

 lives under the bark at the base of the needles of Pinus ponderosa. 

 The eggs of the parasite are laid in the eggs of the host, and the adult 

 parasite emerges from the cocoon of the host. Material collected and 

 reared by H. E, Burke, for whom the species is named. 

 Type^—Q2X. No. 19638, U.S.N.M. 



