128 POMONA JOURNAL OF ENTOMOLOGY 



narrowed, the lower half of equal width, half the breadth of the upper), a 

 line on the lower part of the eye incision, a narrow interrupted line on the 

 outer orbits, the pronotum, two small spots on the scutellums, a curved spot 

 narrowed below on the sides of the metanotum above, and the greater part of 

 the abdomen, orange yellow ; the yellow on the pronotum and two basal seg- 

 ments of abdomen largely suffused with rufous ; the abdomen has the follow- 

 ing black markings : the basal slope of first abdominal segment, the black con- 

 tinued down the middle of the segment to shortly beyond its middle, this part 

 being narrowed at the base, widely dilated at the apex, it becoming gradually 

 widened from the base to the apex, a large broad mark on the basal half of 

 the second segment, its basal part extends to the outer edge of the segment, 

 from where it becomes gradually obliquely narrowed to the middle, then 

 obliquely dilated to the apex which is transverse, this apical part not being 

 so wide as the basal ; an irregular band on the base of the fifth segment, a 

 broader regular one on the base of the sixth, a narrower more irregular line 

 around its sides and apex, the first ventral segment, a narrow band on the 

 base of the second with a square projection in its middle, and the basal half 

 of the apical segment. Basal three joints of the antennae rufous above, the 

 scape yellow below. Legs reddish yellow, the coxae, trochanters, and base of 

 femora black, the black on the hinder femora longer than on the others. 

 Wings fuscous hyaline, the anterior fulvous in front to the stigma, the costa 

 and stigma fulvous. Male — Length 11 mm. Gallinas Caiion, New Mexico, 

 July. (Oslar.) 



Entire body covered with long dark fuscous pubescence. The yellow on 

 the pronotum and on the basal two segments of abdomen is suffused with 

 rufous. Clypeus pyriform, slightly but distinctly longer than wide, the apex 

 with a shallow rounded incision. Upper part of head and thorax coarsely 

 punctured, the punctures on the mesopleurae coarser, running into reticula- 

 tions ; the base of the metapleurae finely closely striated, the rest much more 

 coarsely irregularly striated. First abdominal segment cup-shaped, smooth, 

 the second as wide as long, the basal two-thirds smooth, the apical deeply 

 irregularly, but not very closely punctured ; the third to sixth are similarly 

 punctured, the punctures becoming gradually smaller, the apices of the seg- 

 ments smooth, not reflexed. Antennal hook black, curved, reaching to the 

 case of the penultimate joint. Base of thorax transverse, the sides not pro- 

 jecting. Postscutellum with a steep slope, its base punctured, the rest smooth, 

 the apex transverse. Sides of metanotum rugose, not margined, the center 

 closely transversely striated, not hollowed ; it is almost transverse Ijehind. 



This species can only be placed in Odynerus sens. str. 



Odynerus approxiiiiatus n. sp. 



Black, the clypeus, mandibles except the teeth, a line fully three times 

 longer than wide and roundly dilated above over the antennae, a broad line 

 bordering the lower part of the eye incision, a short narrow line behind the 

 eyes near the top, a broad spot of equal width behind on the base of the pro- 

 notum reaching close to the middle, tegulae, postscutellum, a narrow line on 



