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  • Female fleas begin feeding on pets within minutes and lay 40 to 50 eggs per day
  • Fleas emerge as early as 3 weeks
  • Temperature and humidity drive flea population growth

- Temperatures between 70f to 85f are optimal; temperatures above 95f are


- Optimal relative humidity is 70% to 85%

  • Shady, protected outdoor areas are preferred sites for flea hosts and flea larval development
  • Direct sunlight and heavy rain are lethal to flea larvae
  • Microclimates in the home can support flea development

- Nylon carpet fibers absorb water from the air which creates favorable humidity for larval development

- Larvae can develop in grooves and cracks in hardwood floors

  • Fleas can hitchhike into homes on people and infest indoor-only pets
  • It can take 6 to 8 weeks for a flea infestation to become established in a home and at least that long for all life stages to be exhausted one treatment begins


  1. Not all household pets are treated
  2. Pet owners think indoor pets won't get fleas
  3. Pet owners think all fleas are killed immediately upon treatment
  4. Pet owners think they should not see fleas on their pets once the pets are treated
  5. Pet owners think once the fleas are gone, they can stop treatment
  6. Pet owners only consider the fleas they see, not the eggs, larvae and pupae
  7. Pets continue to explore places flea development thrives
  8. Untreated neighborhood pets and urban wildlife have access to the yard
  9. Flea products are not properly applied
  10. Flea product doses are split between pets