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252
Journal of the Lepidopterists' Society
examples, several museums were contacted. In letter dated 24 August 1973, Dr. P. Viette, Museum National D'histoire Naturelle, Paris, informed the writer that the type series of Peridromia mexicana could not be found. A letter dated 11 October 1973 from Mr. P. R. Ackery of the British Museum (N.H.), London, advised that no examples of mexicana could be found in the collection from locations farther north than Mexico. Mr. William D. Field, National Museum of Natural History, Washington, D.C., advised in letter dated 23 February 1973 that he could find no examples in the national collection labeled mexicana.
One example of this subspecies was collected 3 September 1972 by W. W. McGuire in Bentsen-Rio Grande Valley State Park, Hidalgo County, Texas. The specimen, illustrated in Fig. 2, is in McGuire's collection.
Acknowledgments
Special thanks are extended to Mr. Andre Blanchard and his wife May Elise for photographing the specimens illustrated. I also wish to thank Dr. P. Viette, Mr. P. R. Ackery, and Mr. William D. Field for checking the collections in their charge and for other valuable information.
PELLICIA COSTIMACULA HERRICH-SCHAFFER IN THE UNITED STATES (HESPERIIDAE)
Klots (1951, A Field Guide To The Butterflies, Boston) listed Pellicia costimacula Herrich-Schaffer as occurring casually in the United States. In 1964, dos Passos (A Synonymic List of the Neartic Rhopalocera) dropped P. costimacula from the United States list and substituted P. angra Evans, a superficially similar species that was undescribed at the time Klots was published.
I have taken fifteen male Pellicia in the Rio Grande Valley of Texas in the past six years. The genitalia of all correspond exactly to Evans' figure (1953, Catalog of the American Hesperiidae, London. Part III, pi. 33) of P. costimacula arina Evans. Therefore, this species should be returned to the United States list. I am advised by H. A. Freeman (pers. comm.) that there is good justification for considering arina to be a valid species, especially on the basis of genitalia.
Mike A. Rickard, 4628 Oakdale, Bellaire, Texas 77401.