^1889."'] PROCEEDINGS OF THE NATIONAL MUSEUM. 417 



long, linear, black, aciculated, about eight times as long as thick, the 

 spiracles situated at about the middle. Wings hyaline, iridescent; 

 stigma and veins brown ; first branch of the radius not quite as long as 

 first branch of the postmarginal. 



Habitat. — La Fayette, Indiana. 



Described from a single specimen, received from Mr. F. M. Webster. 



Orthopelma occidentale sp. uov. 



Male. — Length l uim . Black; antennae 27-jointed, black, the scape and 

 pedicel beneath red ; legs ferruginous, the posterior pair darker, all coxae 

 black. The head and thorax are smooth, polished; parapsidal grooves 

 slightly indicated anteriorly; anterior edge of clypeus, mandibles, and 

 palpi red; metathorax areolated. Abdomen oblong-oval, brownish-red, 

 obfuscated or blackish towards apex ; petiole black, slightly more than 

 four times longer than thick and linear, the spiracles placed much 

 before the middle. Wings hyaline, iridescent; stigma and veins brown; 

 the first branch of the radius a little longer than half the length of the 

 first branch of the postmarginal nervure. 



Habitat. — Hams Fork, Green Elver, Wyoming Territory. 



Described from one specimen, reared November 28, 1883, from a Rose- 

 gall, Rhodites similis Ashni, received from Mr. L. Bruuer. 



Orthopelma rosaecola, sp. uov. 



Male and female. — Length 3.5 to 4 mm ; ovipositor, 0.6 mm . Black; an- 

 tennae, female lG-jointed, male 19-jointed, black, apical edges of the 

 scape and pedicel yellow ; legs yellow-ferruginous, the posterior pair 

 dark- brown, the femora sometimes black, all coxae black. The head 

 and thorax are shining, but distinctly minutely punctured, the parap- 

 sidal grooves not at all indicated ; clypeus piceous; mandibles black; 

 palpi yellow; metathorax areolated. Abdomen oblong-oval, longer in 

 the male, varying in color from a brownish-red to piceous, the male be- 

 ing the darker, and the apex is always dusky, the sutures aud more or 

 less of the basal part of the segments are testaceous; the petiole is lin- 

 ear, black, nearly five times as long as thick, the spiracles placed before 

 the middle. Wings hyaline, iridescent ; stigma and veins brown, the 

 first branch of the radius is about half the length of the first branch of 

 the post marginal nervure. 



Habitat.— (?) Colorado. 



Described from thirteen individuals, reared April 25th to 28th and 

 June 13, 1882, from the Rose-gail Rhodites ignota O. S. 



Orthopelma californicum sp. nov. 



Male and female. — Length 2.6 to 3 mm ; ovipositor 1.4 ,um . Black; an- 

 tennae 19 jointed in both sexes, in the male the longer; legs yellow- 

 ferruginous to ferruginous, the posterior pair being dark-brown, the 

 Proc. E". M. 89 27 



