AMERICAN XEUROPTKKA. 107 



Order TRICHOPTERA 

 Family LIMNEPHILID.E. 

 Liiiiiuepliilus cockerelli Banks. 



Specimens from top of range between the Sapello and Pecos Riv- 

 ers, August 2d, 11,000 feet; Top of Las Vegas Range ; and Moco, 

 June 28th (Cockerell). 

 Asyiiarchiis custalis Banks. 



From Las Vegas Range, June 28th (Cockerell). 

 Platyphylax designata Walker. 



Various specimens from Beulah, 8000 feet, July 27th, August 

 16th ; Chicorico Canon, near Raton, August 25th (Cockerell). 



Dicosnioecus atripes Hagen. 



Several specimens from San Ignacio, September 1st (Porter and 

 Cockerell); and Sapello Canon, July 25th (Oslar). 



Dicosmfleeus maculatns n. sp. -Face, reddish yellow, clothed with 

 appressed hairs same color; vertex reddish, mostly with whitish hairs, some yel- 

 low in front; antenna' pale reddish brown, basal joint as long as length of head, 

 ocelli of moderate size, posterior warts narrow, obliquely transverse; jialpi yel- 

 lowish; thorax pale reddish brown, with a paler, broad, median stripe, the latter 

 clothed with yellowish hair. Prothoracic and mesothoraeic lateral lobes with tnfts 

 of yellowi.sh bristles; abdomen brown; legs dull reddish, with black spines and 

 reddish spurs; spurs 1-3-4. Anterior wings brown, darker beyond anastomosis, 

 costal area wholly pale, elsewhere (except anal region) with round pale .spots, 

 often confluent; slightly beyond anastomosis is a i)ale cresent across the apical 

 cells, and in the distal part of the fourth apical is a pale streak ; there are also 

 two large pale patches, one covering the apex of the thyridial area and base of 

 first subapical cell, and the other obliquely across thyridial area and cell ; some- 

 times another pale spot near base; anterior veins to anastomosis pale yellow, 

 others brown. The discal cell is shorter than in allied species, but little longer 

 than its pedicel, not reaching near as far back as the thyridial cell ; the first and 

 fifth apical cells extend equally far back of anastomosis, otherwise venation is 

 like Z). fflr(7H.s\ save that the radius is slightly more sinuate before the pterostigma. 

 Hind wings hyaline, slightly clouded at tips and along costa, veins yellowish, 

 venation like D. argus. Length 18 mm.; expanse 46 mm. 



Described from two specimens, one from Pecos, N. Mex., August 

 24th (Cockerell ), at light ; the other from S. Arizona, August, 1902 

 (F. H. Snow). 



Halesu!^ uiinutus Banks. 



Specimens come from Gallinas Canyon, July 29th (Oslar) ; Beulah, 

 July 11th to 27th; and El Macha, July 21st (Cockerell). Many 

 of the specimens are smaller than the types from Colorado. 



TEANS. AM. ENT. SOC. XXX. APRIL. 1904 



