Proceedings of 

 the United States 

 National Museum 



SMITHSONIAN INSTITUTION • WASHINGTON, D.C. 



Volume 123 1967 Number 3620 



Neotropical Microlepidoptera, XV ' 



Review of Genus Thioscelis 

 (Lepidoptera: Stenomidae) 



By W. Donald Duckworth 



Associate Curator, Division of Lepidoptera 



This paper represents part of a continuing study of the Neotropical 

 moths of the family Stenomidae and presents for the first time, since 

 the genus Thioscelis Meyrick was established in 1909, illustrations, 

 descriptions, distributions, and keys to all the known species. In 

 addition, during the course of the study, three new species were 

 encountered and are described herein. 



1 Prepared with the aid of a National Science Foundation Grant. Previous 

 parts of this same series are: I and II, Clarke, 1962, Proc. U.S. Nat. Mus., vol. 

 113, no. 3457, pp. 373-388; III, Clarke, 1964, ibid., vol. 115, no. 3480, pp. 61-84; 

 IV, Duckworth, 1964, ibid., vol. 116, no. 3497, pp. 97-114; V, Obraztsov, 1964, 

 ibid., vol. 116, no. 3501, pp. 183-196; VI, Clarke, 1964, ibid., vol. 116, no. 3502, 

 pp. 197-204; VII, Obraztsov, 1966, ibid., vol. 118, no. 3527, pp. 221-232; VIII, 

 Duckworth, 1966, ibid., vol. 118, no. 3531, pp. 391-404; IX, Obraztsov, 1966, 

 ibid., vol. 118, no. 3535, pp. 577-622; X, Duckworth, 1966, ibid., vol. 119, no. 3540, 

 pp. 1-6; XI, Obraztsov, 1966, ibid., vol. 119, no. 3543, pp. 1-12; XII, Duckworth, 

 1967, ibid., vol. 122, no. 3585, pp. 1-38; XIII, Duckworth, 1967, ibid., vol. 122, 

 no. 3590, pp. 1-8; XIV, Clarke, 1967, ibid., vol. 122, no. 3591, pp. 1-8. 



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