238 NORTH AMERICAN BLATTIDAE 



tinged with light ochraceous-buff. Wings transparent, clear, with 

 a narrow, opaque, buffy area meso-distad on the costal margin. 

 (Maximum intensive.) Head with eyes and face blackish brown; 

 ocelli, clypeus, limbs and ventral surface light ochraceous-buff. 

 Pronotum blackish chestnut brown, except for a broad band of 

 light ochraceous-buff, which extends along the cephalic margin to, 

 and including, the latero-caudal angles. Tegmina transparent, 

 heavily suffused with blackish chestnut brown, which shows small, 

 irregular, almost colorless blotches, excepting marginal fields, 

 which are light ochraceous-buff. Wings transparent, suffused 

 with blackish chestnut brown, showing in anterior field blotches 

 similar to those of the tegmina. Every gradation between these 

 extremes is shown by the material before us. In the frequent 

 examples showing a color condition about intermediate between 

 the extremes, the pronotal picturing is, in the present species, 

 usually sharply defined in dark brown. The wings frequently 

 have a narrow brown line running across the mesal portion of the 

 anterior and posterior fields, this line is sometimes tawny. The 

 posterior field of the wings is weakly iridescent, sometimes de- 

 cidedly so. 



9 . Dorsal surface immaculate russet, slightly paler toward 

 the cephalic margin of the pronotum. Hairy covering coppery. 

 Head, ventral surface, coxae and femora weak ochraceous-tawny. 

 Tibiae and tarsi darker, with spines deep mars brown. X'entral 

 surface of abdomen russet. 



This species has been recorded from Nogales, Arizona, in addi- 

 tion to the localities given below. 



Specimens Examined: 78; 56 males, 6 females and 16 immature individuals. 



Fort Grant, Graham County, Arizona, i cf , [Hebard Cln.]. 



Huachuca, Ariz., (R. H Kunze), i cf , [Hebard Cln.]. 



Oracle, Ariz., VII, 10 to 23, 2 cf , [U. S. N. M. and Hebard Cln.]. 



Catalina Springs. Ariz., VII, 4, i cf, [U. S. N. M.]. 



Lowell Ranger Station, Pima County, Ariz., 2550 feet, VII, 6 and 20, igi6, 

 (Lutz and Rehn), 40^, [A. M. N. H. and A. N. S. P.]. 



Sabino Canyon, Santa Catalina Mountains, Ariz., II, 25 to XI, 2, 1915 and 1916, 

 (J. F. Tucker), 4 cf , 4 juv., [Hebard Cln.]. 



Tucson, Ariz., XII, 23, 1896, (H. G. Hubbard; from nest of wood rat, Neotoma 

 sp.), I cf,[U. S. X. M.|. 



Santa Rita Mountains, Ariz., VI, 15 to VII, 7, (E. A. Schwarz), 4 o\ [U. S. N. M. 

 and Hebard Cln. J. 



