Version 7.0. Last updated: 1 February 2026  
 
Nomenclator Detail Record
 
 
 
Name: Psychoda alternata Say, 1824: 358
Type: USA. Pennsylvania: Philadelphia
Status: (Available, Valid) Current Valid Name
Notes:
Valid Name: Psychoda alternata Say
Family: Psychodidae
Category: Species
Range: (NE: NE NT OR PA AF AU) Cosmopolitan
URL:
Citation: Say, T. 1824. Appendix. Part I.-Natural History. §1. Zoology. Pp. 253-378. In: Keating, W. H., Narrative of an expedition to the source of St. Peter’s River, Lake Winnepeek, Lake of the Woods, &c. &c. performed in the year 1823, by order of the Hon. J.C. Calhoun, Secretary of War, under the command of Stephen H. Long, Major U.S.T.E. Compiled from the notes of Major Long, Messrs. Say, Keating, and Calhoun. Vol. 2. H.C. Carey & I. Lea, Philadelphia. 459 pp. [after 1824.11.29]
Verification Code: 99
Authority: Evenhuis, N.L. 2023
Revision Date: 11/30/2023
Kind of Name: Species
Record #: 125516
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