62 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 91 



AKACHNIS AULAEA Geyer 



Plate 10, Figures 2-2a ; Plate 11, Figuees 4-4& 



Arachnis aulaea Geyeb, in Hiibner, Zutriige exotischer Schmetterlinge, vol. 5, 

 p. 28, figs. 913, 914, 1837.— Clemens, Proc. Acad. Nat. Sci. Philadelphia, 1860, 

 p. 526. — Walker, List of the specimens of lepidopterous insects in the collec- 

 tion of the British Museum, vol. 31 (Suppl. 1), p. 300, 1864.— Stretch, Illus- 

 trations of the Zygaeuidae and Bombycidae of North America, vol. 1, p. 85, 

 1873. — Druoe, Biologia Ceutrali-Americana, Heterocera, vol. 1, p. 98, 1884. — 

 Smith, List of the Lepidoptera of Boreal America, No. 1118, 1891. — Kirby, 

 A synonymic catalogue of the Lepidoptera Heterocera (moths), vol. 1, p. 218, 

 1892.— Druce, Ann. Mag. Nat. Hist., ser. 6, vol. 13, p. 174, 1894.— Oitolengui, 

 Ent. News, vol. 7, p. 126, pi. 4, 1S9<5.— Druce, Biologia Centrali-Americana, 

 Heterocera, vol. 2, p. 377, 1897. — Hampson, Catalogue of the Arctiadae 

 (Arctianae) and Agaristidae in the collection of the British Museum, vol. 3, 

 pp. 389, 390, 391, fig. 163, 1901 [biology].— Barnes and McDunnough, Check 

 list of the Lepidoptera of Boreal America, No. 967, 1917. — Strand, Lepi- 

 dopterorum catalogus, pt. 22, p. 278, 1919. — Seitz, Die Gross-Schmetterlinge 

 der Erde, vol. 6, p. 314, pi. 40b, 1919. — Barnes and Benjamin, Pan-Pac. Ent., 

 vol. 3, p. 17, 1926. — McDunnough, Check list of the Lepidoptera of Canada 

 and the United States of America (Part 1, Macrolepidoptera), No. 1080, 1938. 



Ecpantheria aulaea (Geyer) Boisduval, Ann. Soc. Ent. Belg., vol. 12, p. 78, 1869. — 

 Oberthur, Etudes d'Entomologie, voL 6, p. Ill, pi. 19, figs. 4, 7, 1881. — 

 Burmeister, Ann. Mus. Publ. Buenos Aires, vol. 3, p. 31, 1883. 



Ecpantheria aulea Schaus (misspelling for aulaea), Papilio, vol. 3, p. 188, 1883 

 [larva]. 



Arachnis aiilea (Schaus) H. Edwards, U. S. Nat. Mus. Bull. 35, p. 61, 1889.— 

 Schaus, Ent. Amer., vol. 5, p. 190, 1889. — Neumoegen and Dyar, Journ. New 

 York Ent. Soc, vol. 1, p. 178, 1893.— Dyar and Doll, Ent. News, vol. 4, p. 312, 

 1893 [larva].— Dyar, Can. Ent., vol. 26, p. 307, 1894 [larva] ; Proc. Ent. Soc. 

 Washington, vol. 14, p. 55, 1912. 



Ecpantheria incarnata Walker, List of the specimens of lepidopterous insects in 

 the collection of the British Museum, vol. 3, p. 690, 1855. — Burmeister, Ann. 

 Mus. Publ. Buenos Aires, vol. 3, p. 31, 1883 [as synonym of E. aulaea]. 



Arachnis incarnata Smith, List of the Lepidoptera of Boreal America, No. 1118, 

 1891. — Kirby, A synonymic catalogue of the Lepidoptera Heterocera (moths), 

 vol. 1, p. 218, 1892. — Barnes and McDunnough, Check list of the Lepidoptera 

 of Boreal America, No. 967, 1917. — Strand, Lepidopterorum catalogus, pt. 22, 

 p. 278, 1919. — Seitz, Die Gross-Schmetterlinge der Erde, vol. 6, p. 314, 1919.— 

 McDunnough, Check list of the Lepidoptera of Canada and the United States 

 of America (Part 1, Macrolepidoptera), No. 1080, 1938 [as synonym of A. 

 aulaea]. 



Male genitalia. — Harpe with slender, inward, lateral projection; 

 cucullus narrow, scarcely wider than lateral projection of harpe, 

 slightly swollen distally. Anellus with sides parallel. Aedeagus with 

 well-developed distolateral flap. Vinculum broad, short, truncate. 

 Uncus broad, flattened, with prominent dorsal ridge extending beyond 

 end to form terminal point. Flange of tegumen broadly rounded. 



Female genitalia. — Median protuberance of ostium fleshy, bulbous, 

 with conspicuous, sickle-shaped, sclerotized area laterally. Ductus 



