Allen Crooker
Phone Number
Areas of Expertise

anatomy & physiology, neurobiology, entomology, electron microscopy, heavy metal pathology

Ph.D., Washington State University

Allen Crooker

Professor of Biology and Coordinator of Medical Technology

Recent courses taught:

  • BIOL 101 Biology in Practice
  • BIOL 243 & 244 Madagascar: Culture, Conservation, and Natural History
  • BIOL 311 Invertebrate Zoology
  • BIOL 319 & 320 Human Anatomy & Physiology
  • BIOL 321 Electron Microscopy

Selected publications:
Articles and Reviews- Entomology

  • Crooker, Allen.  2000.  A Rickettsia in the ovary of the twospotted spider mite, Tetranychus urticae Koch (Acarina: Tetranychidae).  Microscopy and Microanalysis 6(S2): 646-647.
  • Crooker, Allen.  2004.  Ultrastructure of the alimentary canal of the twospotted spider mite, Tetranychus urticae Koch (Acariina: Tetranychidae).  Microscopy and Microanalysis 10(S2): 325 – 326.
  • Crooker, A. R.  2008.  The Pycnogonida – Sea Spiders.  Pages 97 – 111 in J. Capinera, Ed. Encyclopedia of Entomology, 2nd Ed., Springer, New York.

Articles and Reviews- Metal Pathology

  • Crooker, A. R., E. W. Sod, M. C. Myers, K. P. Baran, and G. H. Morrison.  1987.  Ion probe microanalysis of Li- and Be-treated hepatocyte cultures.  Microbeam Analysis: 261-263.
  • Crooker, A. R., M. C. Myers, T. L. Beard, and E. S. Graham.  1987.  Alterations of ultrastructure and elemental composition in cultured human epidermal keratinocytes after treatment with nitrofurazone and silver sulfadiazine.  Proc. 45th Ann. Mtg. EMSA: 676-677.

Articles and Reviews- Microscopy

  • Crooker, A. R., M. C. Myers, T. L. Beard, and R. Freedman.  1988.  Effects of a freeze substitution method and chemical fixation techniques on the ultrastructure of Campylobacter pylori.  Proc. 46th Ann. Mtg. EMSA: 408-409.
  • Sod, E. W., A. R. Crooker, and G. H. Morrison.  1990.  Biological cryosection preparation and practical ion yield evaluation for ion microscopic analysis.  J. Microsc. 160 (1): 55-65.

Presentations with former Hartwick students

  • Henderson, Jacy and A. R. Crooker.  1999.  Leg structure in Rhagidiid mites (Acarina: Rhagidiidae).  Proc. 59th Ann. Mtg. Acadian Entomol. Soc., August 4 – 6, Corner Brook, Newfoundland.
  • Crooker, Allen and Rebecca Moffett.  2003.  Functional morphology of the spider mite gnathosoma.  Joint Meeting of the Maine Entomological Society and the Acadian Entomological Society, June 22 – 26, Bar Harbor, Maine.
  • Crooker, Allen and Kirsten Underwood.  2008.  Biology of the intertidal mite Neomolgus littoralis (L.) (Acarina:Bdellidae) in the lower Bay of Fundy.  Proc. 68th Ann. Mtg. Acadian Entomol. Soc., June 15 – 17, St. John’s, Newfoundland.
  • Crooker, Allen and Heather Taylor. 2015.  The intertidal mite Foveacheles arenaria (Acari: Rhagidiidae) in New Brunswick, Canada.  Proc. 74th Ann. Mtg. Acadian Entomol. Soc., August 10 – 12, Fredericton, New Brunswick.

College service and professional affiliations:

  • Advisor, Hartwick College Rifle Club
  • Reviewer for Entomological Society of America
  • Chair, Hartwick College Radiation Safety Committee
  • Hartwick College Institutional Animal Care and Use Committee
  • Acadian Entomological Society
  • American Arachnological Society
  • Entomological Society of America
  • Microscopy Society of America