Request A Free Estimate Get Started

What do cat fleas look like?

cat flea on person in phoenix az

Cat fleas have three body parts like all insects: head, thorax, and abdomen. A unique feature, however, is their vertical flatness. Eggs are smooth, pearly white, oval shaped with round edges. Found on the floor of any area the pet resides. Larva are slender, white, have sparse hairs, 1/10 inch long and are blind. Pupa have loosely spun cocoon about 1/5 inch long. Adults are1/6 to 1/8 inch long, dark reddish brown, wingless. They are covered with spines that point backward. Three pairs of legs with exceptionally powerful hind legs capable of jumping far distance. Piercing-sucking mouthparts.

The life cycle of cat fleas

Complete metamorphosis

The time to complete this process ranges from two weeks to eight months depending on environmental conditions. Eggs are laid on the host, falling off in areas host frequents. Females lay up to 600 eggs in her lifetime. Larva feed on adult feces, dead skin, and other organic debris. They take a week to several months to develop. Pupae form a cocoon made from hair, grass, etc. , and emerge after 5 to 14 days.  Adults need a blood meal within one week after emerging from the cocoon and before they lay eggs. They can live up to one year without feeding at any other time.

Are cat fleas dangerous?

Although cat fleas do bite and bites can cause minor itching and discomfort, they are not considered dangerous. 

Cat fleas often bite the lower legs of people, leaving round, red spots. 

Where do cat fleas live?

Cat fleas live in the nests and resting places of their hosts, as long as it is humid and warm enough to promote development.

Habits of cat fleas

  • Diet: Blood, feces, dead skin
  • Activity: Before laying eggs and immediately after emerging from pupa
  • Preferred Climate: Temperatures between 55 and 90 degrees
  • Defense: Spines on the back. Bite.
  • Cautions: Irritate pets. Bite humans usually on legs and ankles.
  • Home Invasion: Areas commonly infested are the pet’s sleeping area or frequented areas, as well as, paths they travel.

Helpful hints for cat fleas

To avoid cat flea infestations, we recommend the following flea prevention tips:

Interesting fact about cat fleas

One female flea can multiply to over 25.000 fleas in 30 days under optimal environmental conditions.

longtime northwest exterminating customer


‟I have been using Northwest Exterminating for many years. They are reliable and easy to work with. Albert does a very thorough and conscientious job each time he comes out. As a disabled person I appreciate the kindness he shows in making sure my garage door is closed before he leaves.
Northwest Exterminating received an average rating of 4.4 out of 5 stars from 214 reviews. 4.4 Read Google Reviews

Request Your FREE Estimate

Have questions or need help getting rid of pests? Simply complete the form below or give us a call.

There was a problem with your submission. Please correct the issues below

Please wait…

Northwest Exterminating Blog & News

Read the latest articles & news
killer bees swarming in a mesquite tree in tucson az
April 20, 2022

Spring Pest Problems In Phoenix & Tucson

We’re a few short weeks into the spring season and already insects are on the move. In fact…
Read More