AMERICAN HYMENOPTERA. 327 



uetwork is faintly indicated, pleurae shining more or less, punctured. Petiole 

 occupying more than one-third the length of the whole abdomen, coarsely punc- 

 tured above, rugose beneath, much swollen on outer half and constricted at tip, 

 second segment with finer punctures, remainder impunctate. Legs slender, 

 posterior femora subfuscous, tibial spurs reddish. Wings hyaline basally, sud- 

 denly infumated beyond the marginal cell, veins fuscous, stigma broad, longer 

 than the marginal cell, fuscous, marginal cell narrow, round apically, three sub- 

 marginals, the second broad at the top, the third quadrate, but both its transverse 

 veins sinuous. 

 Length, 9.75 mm. 



Fig. 61 ; fore wing. 



One mule, collected by Dr. Harold Heath, May, 1901, at Pacific 

 Grove, Cal., to whom the species is respectfully dedicated. Type in 

 writer's collection. 



106. < h> photes iiubeculus Cresson (10). 



Seven specimens, from Denver, Colorado ; Las Cruces, San Mar- 

 cial, Santa Fe, and Arrogo, New Mexico (Cockerel!). 

 Taken at light. 



107. C'hypliotes peculiaris Cresson (11). 



This brilliant insect was received from Professor Cockerell from 

 the College campus at Mesilla Park, New Mexico. September. 

 Dr. Ashmead has made this species the type of his genus Typhoetes. 



Genus BRACHYCISTIS Fox. 



108. Brachycistis idotes Cockerell (2). 



Fig. 62; wing. 



Las Cruces, New Mexico, one specimen. 



109. Brachycistis elegantulus Cockerell and Casad. (9). 



Arrogo, ten miles west of La Luz, not far east from Tallarosa 

 Road, New Mexico, August 23d, at light. It may be here men- 

 tioned that all references to Arrogo in this paper indicate this place 

 and date. The insects were collected by Mr. C. H. Townsend and 

 contributed by Mr. Cockerell. 



110. Brachycistis inaequalis Fox (10). 



Two specimens, sent by Professor Cockerell as collected at Saint 

 Augustine, New Mexico, differ slightly among themselves and from 

 the description of inoequalis. Although these differences may appear 

 striking, it seems well not to regard them as belonging to different 

 species, in view of their otherwise similar structure, size, and con- 



TRANS. AM. EST. SOC, XXIX. OCTOBER, 1903. 



