NORTH AMERICAN STENOMIDAE — DUCKWORTH 35 



in the male and the median slot in the genital plate in the female are 

 distinctive genital characters. 



The identity of this species has been in doubt for some time. 

 Keifer (1937) discusses the status of the name osseella and states: 

 "At the present time I know of no further published elucidation of 

 the application of the name osseella." I have examined the genitalia 

 of Busck's type of B. querciella and photographs of the genitalia of 

 Walsingham's type of /. osseella and found the two identical. Since 

 Walsingham's is the older name, Busck's B. querciella must fall. 



6. Antaeotricha decorosella (Busck) 



Figures 6, 30; Plate If; Map 4 



Brachyloma decorosella Busck, 1908, Proc. Ent. Soc. Washington, vol. 10, p. 111. 

 Stenoma decorosella [sic] Barnes and Busck, 1920, Contrib. Nat. Hist. Lep. North 



America, vol. 4, p. 256. 

 Stenoma decorella [sic] Barnes and Busck, 1920, Contrib. Nat. Hist. Lep. North 



America, vol. 4, p. 256. 

 Antaeotricha decorosella Busck, 1934, in Lepidopterorum catalogus, vol. 67, p. 21. 



Alar expanse 22-24 mm. 



Color: Face whitish ochreous; palpus brownish ochreous. Foreleg 

 rich brown; midleg a somewhat lighter shade; hindleg white. Thorax 

 dark brown dorsally. Abdomen whitish ochreous. Forewing dark 

 brown; costal edge narrowly light ochreous; cell with barely percepti- 

 ble darker brown apical spot. Hindmng whitish fuscous with cilia 

 ochreous. 



Male genitalia: Uncus curved, dilated at tip and only slightly in- 

 dented; gnathos well developed and notched at tip; harpes as in A. 

 schlaegeri; anellus with four lobes, ventral ones small amd thumblike, 

 bearing several setae at their apex, dorsal ones large, laterally curved, 

 with dense, brushlike group of spines on inner inargin of apical third. 

 Aedeagus long, with slightly pointed apex; cornuti absent. 



Female genitaha: Genital plate large, lamella antevaginaUs a small 

 liplike band, lamella postvaginalis much larger, slightly elevated in 

 center; ostium bursae large, slightly sclerotized; ductus bursae long, 

 membranous; corpus bursae with large, toothed signum; inception of 

 ductus seminalis near ostium. 



Type: In the United States National Museum. 



Type locaUty: Montclair, New Jersey. 



Food plant: Quercus ilicifolia Wang, Ouercus marilandica Muench. 



Distribution: north Carolina: Tryon (Aug.). new jersey: New 

 Lisbon (Aug.) ; Lakehurst (July, Aug.) . Florida : St. Petersburg 

 (April). MASSACHUSETTS: Martha's Vineyard (Aug.). 



This species is similar to A. unipunctella, but it differs in the presence 

 of a dense, brushlike group of spines on the dorsal lobes of the anellus 



