170 PROCEEDINGS OP THE NATIONAL MUSEUM. vol.43. 



CECIDOSTIBA DENDROCTONI Ashmead. 



The type-specimen bears the data, Hopkms, W. Va., accession No. 

 6359&, and was reared from Dendroctonus frontalis. 

 Type.— Cat. No. 2180, U.S.N.M. 



CECIDOSTIBA BURKEI, new species. 



Female. — Length about 7 mm. Head and thorax bronzy green, 

 abdomen aeneous, shghtly tinged with greenish ; face below insertion 

 of antennae rugoso-punctate; above insertion of antennae with 

 thimblelike punctures; clypeus and supraclypeal area uath finer 

 sculpture than sides of face; scape rufous, rest of antennae dark 

 brown, joints of funicle elongate, tlie first about three times as long as 

 the pedicel, fu'st joint of club as long as last two combined; thoracic 

 notum, propodeum between lateral folds, and pleurae, including 

 prepectus, with thimblelike punctures; upper lialf of mesepimeron 

 reticulated, the anterior margin veiy finely so; propodeum with a 

 median carina; wings slightly dusky, marginal vein shorter than 

 postmarginal (about as 25:35), but longer than stigmal (about as 

 25:20); coxae and front and hind femora, except bases and apices, 

 green; middle femora brown, rest of legs reddish testaceous; abdo- 

 men elongate, last dorsal segment about one and one-half times as long 

 as penultimate. 



Male. — Unknown. 



Type.— Cat. No. 14580, U.S.N.M. 



One specimen from Hoquiam, Washington, with the data, crawling 

 on Picea sitcliensis (with the date 6-7-04), H. E. Burke, collector. 

 Received for name from Dr. A. D. Hopkins, in charge of Forest 

 Insect Investigations, Bureau of Entomology, United States Depart- 

 ment of Agriculture. 



This species is named after the collector. 



CECIDOSTIBA ASHMEADI, new species. 



Female. — Length 4.5 mm. Green, head and thorax above with 

 thimblelike punctures, those on the clj^peus and supraclypeal areas 

 finer; back of head from a short distance back of lateral ocelli, 

 semicircularly striate; scape and pedicel yellowish, rest of antennae 

 brown, the first joint of the funicle almost one and a half times as 

 long as the pedicel ; metanotum medially visible ; propodeum between 

 the lateral folds with thimblelike punctures and wthout a distinct 

 median carina; prepectus and mesopleuroe vnth thimblelike punc- 

 tures; the upper half of the mesepimeron smooth; postmarginal 

 vein over one and a half times as long as the marginal ; stigmal shorter 

 than marginal; coxae green, femora, except tips, brown with more or 

 less metallic luster, especially on front and hind femora, middle 



