270 CHARLES A. BLAKE. 



Closely allied to P. elara Cresson, but may be distinguished by the 

 greater length of the marginal cell and the absence of the apical 

 fuscous streaks in the wings. 



Photopsis venustus n. sp. 



Male. — Eobuat, uniformly dark honey yellow ; head subquadrate, posterior 

 angles rounded, finely and irregularly punctured, shining, thinly clothed with 

 erect, pale yellowish hairs ; mandibles finely punctured, black at tips and thinly 

 clothed with pale hairs ; eyes large, round and polished ; antennae fuscous, scape 

 clothed with fuscous pubescence; thorax ovate, slightly narrowed posteriorly, 

 pro- and mesothorax finely punctured, clothed with erect yellowish hairs; meta- 

 thorax roundly truncate, coarsely reticulate, thinly clothed with erect white 

 hairs ; scutellum very finely punctulate ; wings hyaline, two submargiual cells, 

 marginal cell elongate ovate, first submarginal cell long and narrow, second elon- 

 gate subquadrate, pointed towards base and receiving the first recurrent nervure 

 before the middle, stigma small, costal cell wide, tegulae pale honey yellow; legs 

 pale honey yellow, clothed with long pale hairs ; abdomen ovate, shining, finely 

 and remotely punctured, sparsely clothed with moderately long, whitish hairs ; 

 basal segment campanulate, subsessile with the second, apical margins of all the 

 segments fringed with whitish pubescence; under side of entire insect finely 

 punctured. Length 15 mm. ; expanse of wings 24 mm. 



Hab. — Arizona. 



Allied to P. tapqjos Blake, but may be distinguished by the greater 

 length of the marginal cell, and by being more robust. 



Photopsis juxta Blake. 



Male. — Uniform dark brown ; thinly clothed with whitish hairs ; head rounded, 

 narrowed posteriorly, finely punctured ; eyes large, prominent as well as ocelli ; 

 antennae pale honey yellow ; mandibles tipped with black ; thorax robust, elon- 

 gate ovate, shining, finely punctured ; mesothorax with four longitudinal im- 

 pressed lines, metathorax roundly truncate, broadly reticulate ; wings moderate, 

 yellowish hyaline ; marginal cell broadly ovate, first submarginal elongate, 

 second subquadrate, pointed towards base, its basal nervure sinuate; stigma 

 elongate, its apical three-fourths lying within the marginal cell ; tegulse round, 

 polished, honey yellow, thinly clothed with whitish hairs, calcaria fuscous ; ab- 

 domen elongate ovate, petiole subpyriform, second segment shining, feebly and 

 remotely punctured ; apical margins of all the segments castaneous, thinly fringed 

 with pale yellowish pubescence. Length 9 mm. ; expanse of wings 18 mm. 



Hab. — Texas. Belfrage. 



Photopsis a ailus Blake. 



Male. — Uniform dark honey yellow, thinly clothed with erect white hairs ; 

 head subquadrate, posterior angles rounded, shining, very minutely and distantly 

 punctured ; eyes large, round, prominent, ocelli moderate ; scape of antennae 

 honey yellow, scutellum fuscous; tips and upper edge of mandibles blackish; 

 thorax elongate subquadrate, rounded in front, pro- and mesothorax finely punc- 

 tured, the latter with four faintly impressed longitudinal lines, metathorax 

 roundly truncate, broadly and shallowly reticulate ; wings moderate yellowish 

 hyaline, marginal cell large, ovate lanceolate, first submarginal cell narrow, 



