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Shepard: Corrected Washington Erebia            Vol. 19, no. 2
Powell, J. A., 1958. Additions to the knowledge of the butterfly fauna of Baja
California Norte. Lepid. News, 12: 26-32. Rindge, F. H., 1948. Contributions toward a knowledge of the insect fauna of
Lower California. No. 8. Lepidoptera: Rhopalocera. Proc. Calif. Acad. Sci.,
4th ser., 24: 289-312.
EREBIA DISA MANCINUS IN WASHINGTON STATE: A CORRECTION
Leighton (1946)1 recorded the satyrid Erebia disa mancinus Double-day from Skyline Ridge, Mt. Baker, Whatcom County, Wash. This record was based on the J. F. G. Clarke collection. Leighton didn't mention that the Clarke records were taken from a set of file cards. Clarke had pre­pared a complete file of his Lepidoptera collection before leaving Wash­ington State University. This file is now in the W.S.U. Entomology Department. Leighton never actually saw the specimens. The card with E. disa title bears the following information: "Erehia disa mancinus D. & H., #1573^1577, Skyline Ridge, Mt. Baker Dist, Wash., July 26, 1925. In coll. J. F. Clarke."
This determination was incorrect and rectified by Clarke in 1929. The W.S.U. Entomology Department reprint file contains a typed manu­script by Clarke.2 In it he refers to E. vidleri Elwes from the Mt. Baker Dist. and the Olympic Mts. Also E. epipsodea Butler is recorded from Spokane. In addition to this the W.S.U. entomology collection contains four males of E. vidleri collected by Clarke in 1932. They are dated (two males) Aug. 26 and (two males) Aug. 27. All specimens are from Skyline Ridge, Mt. Baker Dist., Wash. The two specimens of E. vidleri (Clarke, 1929) from the Olympic Mts. are also in the W.S.U. collection.
Thus it appears that the Erebia disa mancinus from Washington are only misdetermined E. vidleri. Leighton obviously never saw the manu­script of Clarke. An unfortunate mistake was published and is corrected here.
Jon H. Shepard, Dept. of Entomology, Washington State University, Pullman, Wash.
1  B. V. Leighton, The butterflies of Washington (Univ. of Wash. Press, 1946), Vol. 9, p. 47-63.
2 J. F. Clarke, A preliminary list of the Lepidoptera of Washington, 1929, 37 pages, typed manuscript.