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College of the Sciences

Dr. Jason T. Irwin

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Jason T. Irwin, 

Science Building, Room 338D
400 E. University Way
Ellensburg, WA 98926-7537
(509) 963-2884



Ph.D. Miami University, Oxford, Ohio, 2000


Human Anatomy and Physiology, Zoophysiology, Comparative Vertebrate Anatomy, Entomology


Physiological and ecological aspects of cold tolerance, particularly in freeze-tolerant insects and amphibians.

Recent Publications

  • Irwin, J.T. 2005. Overwintering in northern cricket frogs (Acris crepitans). In Amphibian Decline: The Conservation Status of United States Species (Lannoo, M.J., ed.). University of California Press, Los Angeles.
  • Irwin, J.T., and R.E. Lee, Jr. 2003. Geographic variation in energy storage and physiological responses to freezing in the gray treefrogs, Hyla versicolor andH. chrysoscelis. Journal of Experimental Biology, 206: 2859-2867.
  • Irwin, J.T., J.P. Costanzo, and R.E. Lee, Jr. 2003. Post-freeze reduction of locomotor endurance in the freeze-tolerant wood frog, Rana sylvatica.Physiological and Biochemical Zoology, 76: 331-338.
  • Irwin, J.T., and R.E. Lee, Jr. 2003. Cold winter microenvironments conserve energy and improve overwintering survival and potential fecundity of the goldenrod gall fly, Eurosta solidaginis (Diptera: Tephritidae). Oikos 100: 71-78.
  • Irwin, J.T., and R.E. Lee, Jr. 2002. Energy and water conservation in frozen versus supercooled larvae of the goldenrod gall fly, Eurosta solidaginis Fitch (Diptera: Tephritidae). Journal of Experimental Zoology 292: 345-350.

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