PROC. ENT. SOC. WASH., VOL. 20, XO. 4, APR, 1918 89 



Female. Length 7 mm. Clypeus strongly convex basally, without well 

 defined punctures; anterior margin broadly depressed and nearly truncate; 

 middle f ovea obsolete ; head shining, the face and f rons sparsely punctured as 

 is also the vertex; postocellar area completely defined, very slightly arched, 

 twice as wide as the median length; antennae 17-jointed; the median rami 

 shorter than the length of their joints, broad basally and narrowed apically ; 

 scutum and prescutum shining, with comparatively large scattered punc- 

 tures; scutellum wider than long, obtusely angled posteriorly, the surface 

 with l.irge, well defined punctures which are closer posteriorly; mesepis- 

 ternum with the punctures close but slightly smaller than those of the scutel- 

 lum; tergites polished; nates shining, but under high magnification finely 

 reticulate and with a few scattered, setigerous punctures ; sheath, seen from 

 below rounded apically, the pad-like plates a little more than two and one- 

 Inlf times as long as wide, and fitting close to the median ridge; apical 

 stei-nite with a deep narrow emargination (in depth this emargination is 

 fully one-third the total width of the sternite) ; posterior tarsi of normal 

 length; tarsal claws with a small tooth at the middle; hind basitarsis sub- 

 equal with the following joint. Ferruginous; intercellar area and antennal 

 furrows to ocelli black; scutum and prescutum slightly brownish; scutel- 

 lum paler; metathorax black; basal tergites somewhat piceous; angles of 

 the pronotum, upper part of mesepisternum, and the sides of the tergites 

 whitish; legs ferruginous, the apices of the four anterior femora, the bases 

 of all the tibiae, all the trochanters whitish; wings hyaline; venation dirk 

 brown. 



Male. Length 5.5 mm. Vertex almost as coarsely punctured at the 

 front; antennae 18-jointed; hypopygidium, with distinct punctures, 

 broadly rounded apically. Black; sternites ferruginous; legs below tro- 

 chanters ferruginous, with tibiae (especially at base) and tarsi somewhat 

 whitish. Wings hyaline; venation pale brown. 



Type-locality. Falls Church, Va. Described from three 

 females (one type) and two males (one allotypo) reared from larvae 

 coll -eled on Pinus virginiana by J. N. Knull and recorded under 

 Bureau of Entomology number Hopk. U. S. 13648g. 



Type Cat. No. 21777, U. S. Nat. Mus. 



Neodiprion maura, new species. 



Related to i>rutti (Dyer) but the scutellum is angulate posteriorly 

 and the middle fovea is not largo and prominent. 



Female. Length 5.5 mm. Clypeus convex poorly punctured, 1 he an- 

 terior margin depressed and arcuately emarginate; head shining, with 

 distinct fat her close well defined punctures; middle fovea obsolete ; posto- 

 cellar area not arched, four times : s wide as long, vertical furrows poorly 

 defined: antennae 19-jointed, slightly longer than the width of the head, 

 the third joint slightly longer than the fourth, the rami triangular in out- 

 line, about half as long as the width of t he rest of the joint; present 11.11 with 



