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Smithsonian National Museum of Natural History
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Department of Vertebrate Zoology

Division of Amphibians & Reptiles

Phyllomedusa vaillantii
Phyllomedusa vaillantii Ecuador, Pastaza Province. Photographed by William W. Lamar
bar Roy McDiarmid
    Roy Wallace McDiarmid
    USGS Research Zoologist, Curator
    SI Adjunct Scientist


  • Phone: (202) 633-0731
  • Fax: (202) 357-1932
  • E-mail: mcdiarmidr@si.edu

  • Mailing Address:
    USGS Patuxent Wildlife Research Center
    Biological Survey Unit
    National Museum of Natural History
    PO Box 37012, MRC 111
    Washington, DC 20013-7012

  • Shipping Address:
    USGS Patuxent Wildlife Research Center
    Biological Survey Unit -- Rm 378
    National Museum of Natural History
    10th and Constitution Ave NW
    Washington, DC 20560-0111
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Related Links

Complete List of Roy's Publications and Downloadable PDFs
USGS Staff Profile
USGS Patuxent Wildlife Research Center

Education

B.A., Zoology, University of Southern California (1961)
M.S., Biology, University of Southern California (1966)
Ph.D., Biological Sciences, University of Southern California (1969)

Research Interests

Roy McDiarmid has spent most of his research career working with the systematics, behavior, ecology, and biogeography of amphibians and reptiles in the Neotropics and has published more than 100 scientific papers and four books. His early work focused on the herpetofauna of dry forests in western Mexico, and he spent considerable time in that country, most recently with colleagues from Museo de Zoologia, Universidad Nacional Autonoma de Mexico, working on new species of frogs and tadpoles of Mexican amphibians. He was introduced to wet forest habitats through the Organization for Tropical Studies program in Costa Rica in 1966 and since then has done most of his field research in the tropics. He organized and taught several courses in the OTS program in the late 60's and early 70's, and after a short time at the University of Chicago, he moved to Tampa and joined the faculty at the University of South Florida. He taught courses and directed graduate students from 1968-1978 in Florida and worked primarily on the ecology of Florida species of amphibians and reptiles. While in Florida he served as chair of a subcommittee of the Florida Committee on Rare and Endangered Plants and Animals and edited a volume on the Endangered and Threatened Amphibians and Reptiles of Florida. During this time he also began working in the South American tropics. He visited Ecuador in 1976 to help establish a program in tropical ecology for the University of South Florida and spent nearly six months in that country after coming to Washington in 1978. Since coming to the National Museum of Natural History, he has focused his research on understanding the diversity of amphibian and reptile species in tropical habitats and spent many months in the field in Peru, Ecuador, and Venezuela. In the museum, Roy serves as curator of the North American portions of the collections of amphibians and reptiles and continues his research, writing, and exploration.

Recent Publications

Rocha, L. A., Aleixo, A., Allen, G., Almeda, F., Baldwin, C. C., Barclay, M. V. L., Bates, J. M., Bauer, A. M., Benzoni, F., Berns, C. M., Berumen, M. L., Blackburn, D. C., Blum, S., Bolanos, F., Bowie, R. C. K., Britz, R., Brown, R. M., Cadena, C. D., Carpenter, K., Ceriaco, L. M., Chakrabarty, P., Chaves, G., Choat, J. H., Clements, K. D., Collette, B. B., et al 2014. Specimen collection: An essential tool. Science, 344(6186): 814-815. doi:10.1126/science.344.6186.814

Muletz, Carly, Caruso, Nicholas M., Fleischer, Robert C., McDiarmid, Roy W. and Lips, Karen R. 2014. Unexpected Rarity of the Pathogen Batrachochytrium dendrobatidis in Appalachian Plethodon Salamanders: 1957–2011. Plos One, 9(8): 1-7. doi:10.1371/journal.pone.0103728

Cardwell, Michael D., Gotte, Steve W., McDiarmid, Roy W., Gilmore, Ned and Poindexter, James A. 2013. Type specimens of Crotalus scutulatus (Chordata: Reptilia: Squamata: Viperidae) re-examined, with new evidence after more than a century of confusion. Proceedings of the Biological Society of Washington, 126(1): 11-16. doi:10.2988/0006-324X-126.1.11

Faivovich, Julian, McDiarmid, Roy W. and Myers, Charles W. 2013. Two new species of Myersiohyla (Anura, Hylidae) from Cerro de la Neblina, Venezuela, with comments on other species of the genus. American Museum Novitates, 3792: 1-63.

Peloso, Pedro L. V., McDiarmid, Roy W. and Caramaschi, Ulisses 2013. The gender of "cleis": correct spelling of Chiasmocleis supercilialbus Morales and McDiarmid, 2009, and Elachistocleis magnus Toledo, 2010 (Anura, Microhylidae). Zootaxa, 3718(3) doi:10.11646/zootaxa.3718.3.7

Reynolds, Robert P. and McDiarmid, Roy W. 2012. Voucher Specimens. In: McDiarmid, Roy W., Foster, M. S., Guyer, C., Gibbons, J. W. and Chernoff, N., Reptile Biodiversity: Standard Methods for Inventory and Monitoring. Berkeley: University of California Press, pp.89-94.

Mueses-Cisneros, Jonh, Cisneros-Heredia, Diego and McDiarmid, Roy W. 2012. A new Amazonian species of Rhaebo ( Anura: Bufonidae) with comments on Rhaebo glaberrimus (Günther, 1869) and Rhaebo guttatus (Schneider, 1799). Zootaxa, 3447: 22-40.

Lovich, Jeffrey E., Scott, Norman J., Jr., Bury, R. Bruce, Dodd, C. Kenneth, Jr. and McDiarmid, Roy W. 2012. A history of herpetologists and herpetology in the U.S. Department of the Interior. Herpetological Conservation and Biology, 7(Monograph 2): 1-45.

Albuquerque, Nelson R. d. and McDiarmid, Roy W. 2010. Redescription of Leptophis cupreus (Cope) (Serpentes, Colubridae), a rare South American Colubrine Snake. Papéis Avulsos de Zoologia, 50(23): 375-384.

Furness, Andrew I., McDiarmid, Roy W., Heyer, W. Ronald and Zug, George R. 2010. Oviduct modifications in foam-nesting frogs, with emphasis on the genus Leptodactylus (Amphibia, Leptodactylidae). South American Journal of Herpetology, 5(1): 13-29. doi:10.2994/057.005.0102

Barrio-Amoros, Cesar L., Mesa, Javier, Brewer-Carias, Charles and McDiarmid, Roy W. 2010. A new Pristimantis (Anura, Terrarana, Strabomantidae) from Churi-tepui in the Chimanta massif, Venezuelan Guayana. Zootaxa, 2483: 35-44.

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