NORTH AMERICAN STENOMIDAE — DUCKWORTH 31 



narrower, and more pointed than in A. schlaegeri, and with dark area 

 on hindmargin (which is interrupted near middle of forewing in A. 

 schlaegeri) continued to anal angle. Hindwing of male dark brownish, 

 considerably darker than those of A. schlaegeri. 



Male genitalia: As in A. schlaegeri, except anellar lobe hooked in- 

 stead of forked, and aedeagus shaped differently. 



Female genitalia: As in A. schlaegeri. 



Type: In the United States National Museum. 



Type locality: Paradise, Cochise County, Arizona. 



Food plant: Unknown. 



Distribution: Arizona: Prescott (Sept.); Paradise, Cochise Co. 

 (July, Sept.); Gila Co. (June); Palmerlee; Yavapai Co. (Sept.); 

 (Huachuca Mts.; Baboquivarii Mts. (July); Mohave Co. (Sept.); 

 Dewey; Redington. new Mexico: Rincon (June); Ft. Wingate 

 (June) . 



This species is closely related to A. schlaegeri; the distinguishing 

 characters have been noted under that species. 



3. Antaeotricha unipunctella (Clemens) 



Figures 3, 25; Plate Ic; Map 2 

 Brachiloma unipunctella Clemens, 1863, Proc. Ent. Soc. Philadelphia, vol. 2, p. 



126; 1872, The Tineina of North America, p. 232.— Busck, 1903a, Proc. 



Ent. Soc. Washington, vol. 5, p. 214. 

 Cryptolechia lithosina Zeller, 1873, Verh. Zool.-Bot. Ges. Wien, vol. 23, p. 244. 

 Harpalyce iortricella Chambers, 1874, Canadian Ent., vol. 6, p. 235. 

 Ide Iortricella Chambers, 1877, Bull. U.S. Geol. Surv., vol. 3, p. 122, 141. 

 Ide lithosina Walsingham, 1889, Insect Life, vol. 2, p. 155. 

 Slenoma unipunctella Barnes and Busck, 1920, Contrib. Nat. Hist. Lep. North 



America, vol. 4, p. 238. — Forbes, 1923, Cornell Agric. Exp. Sta. Mem., vol. 



68, p. 253. 

 Antaeotricha unipunctella Busck, 1934, in Lepidopterorum catalogus, vol. 67, p. 30. 



Alar expanse 20-22 mm. 



Color: Face and palpus white. Foreleg bro"\vnish; mid- and hindleg 

 white. Thorax stramineous dorsally. Forewing stramineous; discal 

 cell with or without one or two brownish dots apically. Hindwing 

 white, 



Male genitalia: Uncus a long, narrow stem beyond dilated base, 

 arched and spatulate at apex. Gnathos broad, divided into two 

 rounded lobes at tip; harpes as m A. schlaegeri; vinculum complete, 

 arching in front; anellus mth four lateral lobes, two on each side of 

 aedeagus, hindlobes longer and with heavy spines apically; aedeagus 

 dilated at base, tapering to smoothly rounded tip, cornuti absent. 



Female genitalia: Genital plate wide, short; ostimn bursae sclero- 

 tized; ductus bursae membranous; corpus bursae with signum large, 

 dentate; inception of ductus seminalis near ostium. 



Type: In Academy of Natural Sciences of Philadelphia. 



726-597—64 2 



