THE CANADIAN ENTOMOLOGIST. 95 



Legs of moderate length, luteous, sparsely sprinkled with black or 

 brownish-black at bases of hairs and spines ; sparsely clothed with dark 

 hairs and beset with long black spines. Tibial spurs as long as first three 

 tarsal joints, moderately curved, rufo-piceous. Apices of tarsal joints 

 black, third and fourth joints entirely so. Claws as long as fifth tarsal 

 joint, moderately curved, rufo-piceous. 



Wings somewhat falcate at tips, hyaline, clothed on venation, and 

 sparsely on membrane, with dark hairs ; posterior borders of wings 

 subapically strongly arcuate, almost angulate, making the wings quite 

 broad before tips. Pterostigma luteous, on inner side a black spot 

 formed by junction of sub-costal and median veins ; before the ptero- 

 stigma a few intercostals forked. Principal longitudinal veins luteous, 

 interrupted at junctures of fansversals with black ; a longitudinal vein 

 between median and submedian entirely luteous ; other longitudinal 

 veins and transversals fuscous, interrupted with luteous. 



Anterior wings with the anterior transversals springing from the 

 submedian vein above, and some other veins posterior to it, with small 

 fuscous spots ; posterior wings shorter than anterior, immaculate. Pos- 

 terior borders of both wings fringed with dark hairs. 



Female. — Length, 25 mm,; expanse of wings, 44 mm.; greatest width 

 of anterior wing, 6 mm.; length of antenna, 5 mm.* 



Antennse more clavate than in male. Abdomen a litter shorter than 

 anterior wings, not luteous on basal segments above ; tip luteous ; supe- 

 rior parts split, clothed with long- dark hairs and beset with coarse black 

 spines at apex ; below, two short, cylindrical appendages, clothed with 

 long dark hairs. 



Type. — No. 38 14, U. S. National Museum. One male, collected 

 July 5, 1897, ^t San Simon, Arizona, by Mr. H. G. Hubbard. 



No. 3814a, U. S. National Museum. One female collected in San 

 Bernardino County, California, by Mr. D. W. Coquillett. 



Cotypes. — Collection U. S. National Museum. Two males, one 

 with antennae and apical segments of abdomen gone, collected July 5, 

 1897, at San Simon, Arizona, by Mr. H. G. Hubbard; one male with 

 fragmentary abdomen, collected in August, in Los Angeles County, Cali- 



*This is a small specimen; a female, co-type, from Los Angeles County, California, 

 collected in August by Mr, Albert Koebele, is 29 mm. in length and expands 51 mm, 

 A third specimen, also a female co-type, from the same locality, collected in July by 

 the same person, is slightly smaller than this latter, 



