Pest Management Fact Sheet #5020 James F. Dill, Pest Management Specialist Clay A. Kirby, Insect Diagnostician For information about UMaine Extension programs and resources, visit extension.umaine.edu. Find more of our publications and books at extension.umaine.edu/publications/. Description & Biology The flea most commonly encountered in Maine is the cat flea, Ctenocephalides felis.  Although fleas are