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Question:

    How long is the life span of a flea?

Answer:    

    30-90 Days (Average).

A flea might live a year and a half under ideal conditions. These include the right temperature, food supply, and humidity. Generally speaking, though, an adult flea only lives for 2 or 3 months. Without a host for food, a flea's life might be as short as a few days. But with ample food supply, the adult flea will often live up to 100 days.

Standard DisclaimerRelated Web Sites
  • BugGuide: Order Siphonaptera - Fleas - This site, from the Iowa State University, Department of Entomology, includes basic information on fleas and several photographs.
  • Fleas - BBC Radio 4 Natural Histories program on fleas with links to related clips and articles.
  • NC State University: General Entomology - Siphonaptera - This fact sheet provides the basics on the flea species, behavior, ecology, life history, and management.
  • University of Florida: Fleas - This site sponsored by the Institute of Food and Agriculture Services provides comprehensive information about fleas as well as information about pesticides used in the control of fleas.
  • Zoological Institute, St. Petersburg Fleas (Siphonaptera) Homepage - This site is solely devoted to information about fleas. It contains extensive information about the biology, morphology, distribution, taxonomy, hosts, images, importance, and control of fleas. It also contains a database, references, and links.

Library of Congress Web SiteFurther Reading
  • Cole, Joanna. Fleas. New York, Morrow, 1973. 62 p. (Juvenile)
  • Krasnov, Boris R. Functional and evolutionary ecology of fleas : a model for ecological parasitology. Cambridge, UK; New York: Cambridge University Press, 2008. 593 p.
  • Lehane, Brendan. The compleat flea. London, Murray, 1969. 126 p.
  • Stevens, Kathryn. Fleas. Chanhassen, MN., Child's World, c.2001. 32 p. (Juvenile)

SearchFor more print resources...
Search on the word "flea" in the Library of Congress Online Catalog.

Adult Cat Flea
Adult Cat Flea. Photo from the
Ohio State University Extension Fact Sheet

Cartoon Dog Sparying Flea

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 September 27, 2018
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