Vol 1, pp. 41-70, August 26 1904 



INVERTEBRATA PACIFICA 



EDITED BY C. F. BAKER 



HYMENOPTERA 



DESCRIPTIONS OF SOME NEWHYMENOPTEIlA 

 FROM CALIFORNIA AND NEVADA 



J. J. KIEFEER 



The following- ne\Y species of Hymenoptera were collec 

 ted in California and Nevada bv Prof. C. F. Baker, 



I. EVANIIDAE. 



2294 Gasteruption Nevadense n.' sp. 



Black; heail opaque or very finely shagreened, posteriorly a little na- 

 rrowed; cheeks shorter than the second joint of the antennae; eyes gla- 

 brous, separated from the simple hind margin of the head by a space 

 equalling half their length. Antennae brown-red in the apical half; in the 

 female the second joint scarcely longer than thick, the third a little shor- 

 ter than the fourth, nearlj' twice as long as the second; in the male the 

 third joint one third longer than the second; the fourth as long as the se- 

 cond and third united. Tegulae brown-red; neck short; pronotum with a 

 very small tooth on each side; mesonotum, scutellum, pro- and meso-pleurae 

 opaque and shagreened, the two divergent lines distinct; mesonotum 

 coarsely shagreened behind the crenulated line; metanotum and meta- 

 pleurae coriaceous, not reticulated. Wings nearly hyaline. All the tarsi, 

 and on the front and middle legs the tibiae and bases of femora, reddish 

 brown; hind tibiae dusky brown, basally whitish, hind coxae coriaceous, 

 apically very finely and transversely striated. Abdomen red; the first 

 segment, basal half of the second, a dorsal spot on the middle of segments ^ 



3-5, and the segments 6-7 entirely-black; ovipositor longer than the fij;f(J,,,tii,, ulStitl. 

 segment of the abdomen, but shorter than the first and secon/l^. limited; 

 sheath entirely black; segments 3 and 4 of the male with a /transverse ^{\^( 



black band. Length of male and female, 7.5-11 mm. Ormsby cbuntyjjke* -^ - -^^ 

 vada, Julv. \ /y . 



472 Gasteruption pyrrhosternum n. sp. ^*».>^._ _^ ___--^ 



Ferrugineous and opaque; head, except the mandibles, black; front, 

 vertex, and occiput very finely transversely striated; face with white 

 pubescence; cheeks very short; eyes glabrous, separated from the hind 

 margin of the head by a space equalling half their length; head poste- 



