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Faculty Experts Guide



Media Relations
101 E. Seminary St.
Greencastle, IN, 46135-0037
(765) 658-4286

Wade Hazel


Professor of Biology


Biology, Butterflies, Swallowtail butterflies, Insect adaptation to climate change, Twins


Wade Hazel specializes in evolutionary analysis of decision-making in organisms; e.g. all insects in temperate zones pass the winter in a state of suspended animation, then produce multi generations in summer. Scientific term is diapause.

Twinning is a byproduct of natural selection for increased fertility as women age. He is completing a journal paper on twinning and ovulation as women age. Hazel also has done research on weapons developed by male organisms/insects, such as horns, claws, pincers, etc.