262 CHARLES A. BLAKE. 



Photopsis clara Cresson. 



Male. — Uniformly honey yellow, polished, clothed with a long, thin, whitish 

 pubescence; eyes rather large, rounded, entire, very convex and blackish ; ocelli 

 large, enclosed by a blackish spot ; tips of mandibles also blackish ; antennae as 

 long, or rather longer than the head and thorax, brownish, honey yellow at base ; 

 thorax densely punctured ; mesothorax polished, with a few scattered punctures 

 and two deeply impressed longitudinal lines ; metathorax abruptly rounded 

 behind, coarsely reticulate, with a broad, smooth, shining space on the middle, 

 bounded on the sides and divided down the middle by three sharply defined 

 longitudinal carinae ; tegulae honey yellow ; wings ample, hyaline, faintly tinged 

 with yellowish, with three elongate, longitudinal, pale, fuscous streaks on the 

 apical margin and a large, pale, fuscous spot beneath the second submarginal cell ; 

 nervures pale testaceous ; stigma rather large and blackish ; marginal cell short, 

 rounded at tip ; two distinct submarginal cells, the second obliquely subquadrate, 

 receiving the first recurrent nervure before the middle, the basal nervure sinuate ; 

 third submarginal obliterated ; legs slender, thinly clothed with pale pubescence ; 

 coxae and trochanters honey yellow ; femora and tibiae, except extreme base and 

 apex, blackish, rest of the legs yellowish testaceous ; abdomen petiolated, smooth 

 and polished ; the node or petiole segment elongate, slender at base and much 

 swollen at tips, and clothed with a long, thin, whitish pubescence ; large basal 

 segment highly polished, naked, except its apical margin, which has a long, 

 dense fringe of whitish pubescence ; remaining segments fuscous, densely clothed 

 with a long, whitish pubescence, more sparse beneath. Length 8.5 mm. ; ex- 

 panse of wings 16 mm. 



Hab. — Colorado. 



Photopsis melicausa Blake. 



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

 head rounded, shining, finely punctured ; eyes large, round and prominent, as 

 well as the ocelli ; antennae pale fuscous, except the scape, which is pale honey 

 yellow ; tips of mandibles black ; thorax : pro- and mesothorax closely punctured, 

 the latter with two short, feebly impressed longitudinal lines; metathorax 

 rounded, coarsely reticulate ; tegulae ovate ; wings moderate, hyaline, marginal 

 cell sublanceolate, first submarginal long, narrow and subparallel, second sub- 

 quadrate, narrowed towards the base, its apical nervure sinuate and receiving 

 the first recurrent before the middle, third obsolete ; stigma lanceolate, dark 

 brown ; a faint streaked fuscous cloud in the discoidal region ; legs pale yellow, 

 except the apices of the femora and tibiae, which are pale fuscous, thinly clothed 

 with pale hairs; abdomen elongate ovate, petiolate, smooth, shining, thinly 

 clothed with erect, pale, yellowish hairs, petiole as long as the second segment, 

 moderately punctured, the latter having a few very minute scattered punctures ; 

 lateral carinae distinct, apical margin fringed with fine, white pubescence, the 

 remaining segments margined with long, thin, yellowish hairs ; ventral segments 

 same as above ; apex armed with two long, acute, recurved spines. Length 11 

 mm. ; expanse of wings 17 mm. 



Hab.— Texas. Mr. Belfrage. 



Photopsis mellipes n. sp. 



Male. — Uniform dark honey yellow ; head transversely rounded, wider than 

 the thorax, minutely punctured and bearing a few scattered, pale, glittering 



