272 CHARLES A. BLAKE. 



Allied to P. nokomis Blake, but may be easily separated by the 

 small size and the triangular second submarginal cell. 



Pltotopsis astyanax Blake. 



Male.— Fusco-ferruginous ; head quadrate, posterior angles rounded, finely 

 punctured, thinly clothed with erect yellowish hairs ; eyes large, prominent, 

 polished ; antennas fuscous, scape punctured, flagellura pruinose ; thorax ovate, 

 narrowed posteriorly, closely punctured, mesothorax with two short, impressed, 

 longitudinal lines, thinly clothed on disc with yellowish pubescence, metathorax 

 roundly truncate, broadly reticulate, flanks deeply excavate ; wings yellowish 

 hyaline, marginal cell ovate, lanceolate, roundly truncate at tip, first submarginal 

 small, narrow, second subquadrate, narrowed to apex, receiving the first recur- 

 rent before the middle ; tegulas dark honey yellow ; legs fuscous, clothed with 

 yellowish pubescence, calcaria long; abdomen ovate, basal segment campanu- 

 late, subsessile with the second, minutely punctured ; apical margins of the seg- 

 ments fringed with white. Length 14 mm. 



Hab. — -Texas. Two specimens. 



Pltotopsis inconspicuus n. sp. 



Male.— Uniform honey yellow; head rounded, minutely punctured, thinly 

 clothed with erect, coarse, yellowish hairs ; eyes and ocelli large and prominent, 

 mandibles stout, tipped with black, clothed with scattered yellowish pubescence ; 

 antennas fulvo-ferruginous, scape closely punctured and clothed with yellow pu- 

 bescence ; thorax ovate, pro- and mesothorax coarsely punctured and moderately 

 densely clothed with coarse fulvous pubescence, metathorax roundly truncate, 

 coarsely and deeply reticulate ; lateral lobes of mesothorax finely punctured ; 

 wings faintly yellowish hyaline, two submarginal cells, the first long and nar- 

 row, the second elongate subquadrate, pointed towards base and receiving the 

 recurrent nervure before the middle, the marginal cell broadly ovate, rounded to 

 tip; stigma small, honey yellow; tegulse pale honey yellow, shining; legs pale 

 honey yellow, thinly clothed with glittering yellow hairs; abdomen elongate 

 ovate, basal segment campanulate, sessile with the second, minutely punctured 

 and clothed with long whitish pubescence, second segment shining, very minutely 

 punctured and sparsely clothed with whitish hairs, the remaining segments more 

 densely clothed ; ventral surface somewhat paler than above. Length 14 mm. ; 

 expanse of wings 22 mm. 

 Hab.— California. 



Photopsis minuta Blake. 



Male. — Uniform dark honey yellow ; head round, shining, minutely punctured ; 

 eyes large, prominent ; antennas pale fuscous ; thorax elongate ovate, closely 

 punctured, metathorax roundly truncate, broadly and feebly reticulate ; wings 

 hyaline, marginal cell ovate, first submarginal large, second small, subtriangular, 

 pointed towards base, receiving the first recurrent nervure at base ; stigma large, 

 pale fuscous, two-thirds within the marginal cell; tegulse round, pale honey 

 yellow ; legs honey yellow, thinly clothed with white hairs ; abdomen elongate 

 ovate, petiole pyriform, the ventral carina terminating in a sharp tooth ante- 

 riorly, second segment shining, minutely punctured ; apical margins of all the 

 segments thinly fringed with pale pubescence. Length 4 mm. ; expanse of 

 wings 7 mm. 



Hab. — Texas. Belfrage. 



