Proceedings of 

 the United States 

 National Museum 



SMITHSONIAN INSTITUTION • WASHINGTON, D.C. 



Volume 122 1967 Number 3385 



NEOTROPICAL MICROLEPIDOPTERA, XII ' 



FURTHER STUDIES ON GENUS LETHATA 

 (LEPIDOPTERA: STENOMIDAE) 



By W. Donald Duckworth 



Associate Curator, Division of Lepidoptera 



After completion of my paper on the genus Lethata (1964), sufficient 

 additional information has accumulated to warrant a supplement. 

 This additional information has been derived from a number of sources 

 including fieldwork, specimens borrowed from various institutions, 

 and examination of heretofore unstudied type material. 



As first defined, the genus Lethata consisted of 13 species of which 9 

 were removed from other genera and 4 were described as new. As a 

 result of the current study, the genus has been enlarged to 31 species, 

 13 of which are herein described as new. Examination of type ma- 



' 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. 3727, pp. 221-232; VIII, Duckworth, 

 1966, ibid., vol. 118, no. 3531, pp. 391-404; IX, Obraztsov, 1986, 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. 



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