130 PROCEEDINGS OF THE NATIONAL MUSEUM vol.93 



tion of the type will be necessary to verify the correctness of the deter- 

 mination and properly evaluate the name. 



9. LAMBDINA ATHASARIA ATHASARIA (Walker) 

 Plate 3, Figures 8, 8A, 8B, 8C ; Plate 8, Figures 22, 22A 



Miopia athasaria Walker, List of lepidopterous insects in the collection of the 



British Museum, vol. 20, p. 163, I860 — Baknes and McDunnottgh, Check list 



of the Lepidoptera of Boreal America, No. 4652, 1917.— Houses, Journ. Econ. 



Ent., vol. 20, pp. 299-301, 1927.— McDunnough, Check list of the Lepidoptera 



of Canada and United States of America (Part 1, Macrolepidoptera), No. 



5143, 1938. 

 Ellopia aequaliaria Walkkr. List of the lepidopterous insects in the collection of 



the British Museum, vol. 20, p. 164, 1860. 

 Ellopia seminudata Walker, List of the lepidopterous insects in the collection of 



the British Museum, vol. 26, p. 1508, 1862. 

 Ellopia siccaria Walker, List of the lepidopterous insects in the collection of 



the British Museum, suppl. 5, p. 1547, 1866. 

 Ellopia Moularia Grote and Robinson, Ann. Lye. Nat. Hist. New York, vol. 8, p. 



455, 1867. 

 Therina semiundaria Packard, Rep. U. S. Geol. Surv. Terr., vol. 10, p. 495, 1876 



[emendation for seminudata (Walker)]. 

 Therina athasiaria (Walker) Dyar, Psyche, vol. 9, p. 10, 1900.— Hulst, U. S. Nat. 



Mus. Bull. 52, p. 334, 1903 [misspelling of athasaria (Walker)]. 



Male. — Cinereous, with a slight testaceous tinge; wings heavily 

 sprinkled with pale fuscous scales ; transverse lines diffuse, not sharply 

 defined, occasionally more strongly indicated on the veins by dots ; lines 

 evenly curved, not strongly sinuate. Wings thin, often semihyaline. 

 Fore wing with the outer margin evenly curved or but slightly angled 

 at vein 4. Hind wing with the outer margin evenly rounded or rarely 

 slightly produced at vein 4. 



Alar expanse, 28-38 mm. 



Genitalia (figs. 8, 8A, 8B, 8C) similar to those of fiscellaria. 



Female. — Similar to the male in color and markings. 



Alar expanse, 30-37 mm. 



Genitalia (figs. 22, 22A) similar to those of -fiscellaria. 



Types. — In British Museum {athasaria, aequaliaria, seminudata, 

 siccaria) ; Academy of Natural Science of Philadelphia (bibularia). 



Type localities. — New York (athasaria) ; Canada (aequaliaria) ; 

 Orilla (West Canada) (seminudata) ; North America (siccaria) ; "At- 

 lantic-District (Penna. !)" (bibularia). 



Food plants. — Quereus 5 , Tsuga. 



Distribution. — United States: District of Columbia (Apr., May, 

 July), Illinois (July), Massachusetts (May, Dec. 6 ), Missouri (June). 

 New Hampshire (June), New Jersey (May), New York (May, June), 

 Ohio (Sept.), Pennsylvania (Apr.. May, June), Wisconsin. 



Ninety-nine specimens examined. 



5 Dyar, Psyche, vol. 0, p. ]0, 1000. 



9 Reared material, issued in laboratory, Irving State Forest, Mass. 



