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Faculty Directory » Christopher K. Cratsley


Office Hours:

Semester: Fall 2019
Tuesday 11:00am - 12:30pm
Wednesday 12:00pm - 1:30pm

Office Information:

Room Number: SCI 225
Phone: (978) 665-3617

Courses Taught:

Introduction to Life Science (BIOL 1000)
General Biology II (BIOL 1900)
Animal Behavior (BIOL 2600)
Methods in Teaching Science (BIOL 4850)
Practicum in a Secondary School I (BIOL 4860)
Practicum in a Secondary School II (BIOL 4870)
Life Science II
Topics in Biological Inquiry Through Computer Technology
Methods in Teaching Biology and Earth Science


Ph.D., Tufts University (Biology), 2000
B.A., Undergraduate Teacher Education Program, Brown University (Biology), 1991

Research Interests:

Research developing and applying embedded computer systems to determine the ecology of firefly flash behavior
Research on mating behavior in Pieris rapae
Computer-based tools for Biological inquiry

Current Projects:

IT Across the Curriculum CITI Grant for "Biological Inquiry Through Computer Technology" #201-1024FSC Awarded March 2001 for development of course materials integrating Information Technology and Biological Research
Sigma Xi Grants in Aid of Research Awarded 1999 for research on sexual selection in fireflies

Representative Publications:

Cratsley, C.K. and Lewis S.M. 2005. "Seasonal variation in mate choice of Photinus ignitus fireflies." Ethology. 111:89-100.

Austin, K.B., Dunlap J., Glover M., McKinnon J., Mohney D., Taft M., Vysocky M., and Cratsley, C.K 2005. "The virtual firefly: an interdisciplinary undergraduate research project. Journal of Computing Sciences in Colleges." 20 (5): 188-199.

Lewis, S.M., Cratsley, C.K. and Demary, K. 2004. "Mate recognition and choice in Photinus fireflies." Annales Zoologici Fenici. 41:809-821.

Cratsley, C.K. 2004. "Flash signals, nuptial gifts and female preference in Photinus fireflies."

Lewis, S.M., Cratsley, C.K. and Rooney, J.A. 2004. "Nuptial gifts and sexual selection in Photinus fireflies." Integrative and Comparative Biology. 44:234-237.

Cratsley, C.K. and Lewis, S.M. 2003. "Female preference for male courtship flashes in Photinus ignitus fireflies." Behavioral Ecology. 14(1): 135-140

Cratsley, C.K., Rooney, J.A. and Lewis, S.M. 2003. "Limits to nuptial gift production by male fireflies." Journal of Insect Behavior. 16(3): 361-370

Cratsley, C.K. 2000. "Sexual selection on male courtship signals and nuptial gifts in Photinus fireflies." (Ph.D. Thesis) Tufts University.

Cratsley, C.K. and Lewis, S.M. 1997. "Variation in the nuptial gifts of Photinus ignitus males and potential for female choice." American Zoologist. 37(5): 32A.

Cratsley, C.K. 1991. "How problems can help." The American Biology Teacher. 53(7): 390-392.

Professional Affiliations:

ABS - Animal Behavior Society
ISBE - International Society for Behavioral Ecology
NABT - National Association of Biology teachers
Sigma Xi - Scientific Research Society