NORTH AMERICAN HYMENOPTERA. 271 



second subquadrate, pointed towards base, its basal nervure sinuate, third sub- 

 obsolete ; stigma fuscous, its apical two-thirds lying within the marginal cell ; 

 tegulse round, polished, honey yellow ; legs fuscous, thinly clothed with whitish 

 hairs ; abdomen elongate ovate, petiole pyriform, its ventral carina terminating 

 anteriorly in an obtuse tooth, second segment shining, minutely and distantly 

 punctured ; apical margins of all the segments fringed with white pubescence. 

 Length 11 mm. ; expanse of wings 18 mm. 



Hab. — Texas. Belfrage. 



DIVISION II. 



Abdomen, with the first abdominal segment, more or less sessile 

 with the second, fig. 19 ;' wings with two submarginal cells. 



Fig. 19. 



Photopsis rustica Blake. 



Male. — Head round, as wide as the thorax, honey yellow, clothed with erect 

 fulvous hairs; eyes and ocelli prominent ; an'tennse fuscous, as long as the head 

 and thorax, nageilum pruinose ; thorax black, disc of mesothorax clothed with 

 coarse fulvous pubescence, metathorax roundly truncate, coarsely and broadly 

 reticulate ; wings yellowish hyaline, clouded about the middle and apex ; marginal 

 cell ovate lanceolate, first submarginal narrow, pointed towards the base, second 

 subquadrate, receiving the first recurrent near the base ; legs black, thinly 

 clothed with white hairs, calcaria fuscous ; abdomen elongate ovate, petiolate, 

 narrowed to apex, petiole fuscous, finely punctured, thinly clothed with long 

 white pubescence, apical fringe yellow, second and following segments honey 

 yellow, the apical margins fringed with long yellow pubescence, second segment 

 beneath fuscous. Length 16 mm. 



Hab. — California. Henry Edwards. 



Photopsis bicolor Blake. 



Male. — Head and thorax dark honey yellow, thinly clothed with erect white 

 pubescence ; head subquadrate, posterior angles rounded, finely punctured ; eyes 

 round, large, prominent; antennae fuscous toward the tips; tips of mandibles 

 fuscous; thorax ovate, narrowed posteriorly, closely punctured, metathorax 

 roundly truncate, broadly reticulate ; wings hyaline, faintly tinged with yellow- 

 ish toward apex, marginal cell ovate, first submarginal narrow, second subtrian- 

 gular, receiving the first recurrent about the middle ; tegulse round, honey yel- 

 low ; legs fuscous, paler about the joints, clothed with fine white pubescence, 

 l calcaria long ; abdomen fuscous, ovate, petiolate, petiole subsessile with the second 

 I segment, smooth, minutely and remotely punctured, thinly clothed with long, 

 ] erect, white pubescence. Length 5 mm. 



Hab. — Texas. Two specimens. 



