272 PROCEEDINGS OF THE NATIONAL MUSEUM vol.84 



Head, especially the face, less densely punctate and more shining; 

 temple reaching outside tangent of eye; clypeus less sharply di\dded 

 into basal and apical portions, without a median longitudinal groove 

 apically; malar space half as long as basal width of mandible; junction 

 of occipital and hypostomal carinae half basal width of mandible from 

 latter; eyes distinctly shorter than width of face, faintly divergent 

 below, antenna shorter, hardly tapeiing, less than 40-jointed; pleural 

 carinae more distinct; legs even stouter, the hind femur distinctly 

 less than six times as long as deep; second discoidal cell slightly nar- 

 rower; nervulus at most slightly postf ureal ; ovipositor recurved, sheath 

 as long as first two tergites. 



Flagellum, pedicel, and upper side of scape black; wings dilutely 

 infumate. 



Male. — Very similar structurally to female, but head and sides and 

 sternum of thorax largely black, the yellow markings more distinct; 

 anterior margin of pronotum, propleura largely, an oblique streak on 

 mesopleurum, and front and middle coxae and trochanters largely^ 

 yellow. 



Type locality. — San Juan Valley, 25 miles northeast of Paso Robles^ 

 Calif. 



Type and paratype. — California Academy of Sciences. 



Allotype and paratype. — U.S.N.M. no. 51804. 



Remarks. — The holotype, allotype, and one female paratype were 

 all taken at the type locahty on April 22, 1932, by E. P. Van Duzee, 

 while a second female paratype was taken on the same date by the 

 same collector 4 miles west of Paso Robles. Another female is from 

 Spring Canyon, near Fort Collins, Colo., June 23, 1929, Klotz, collec- 

 tor. A second male, which because of its poor condition is excluded 

 from the type series, is labeled simply "Utah." 



15. EXETASTES PECTINATUS, new species 



Plate 18, Figure 47; Plate 21, Figure 115 



Female. — Length 10 mm, antennae 7 mm. 



Belongs to the same species group as propinquus, from the above 

 description of which it differs principally as follows: Clypeus much 

 more than half as long as broad, very w^eakly divided, basal portion 

 weaklj'^ convex, apical portion weakly impressed; extended angle of 

 cheeks sharply acute ; malar space fully three-fourths as long as basal 

 u-idth of mandible; mandible fully twice as long as broad at base, 

 wealdy narrowed toward apex; junction of occipital and hypostomal 

 carinae much more than half basal width of mandible from the lattej- ; 

 eyes faintly convergent; antennae only very slightly tapering, less than 

 40-jointed; propodeum with punctures distinct, not reticulate; pleural 

 carina more distinct posteriorly and replaced anteriorly by a distinct 

 groove ; hind femur three-fourths as long as tibia ; second discoidal cell 



