The fleas are small ectoparasites on the bodies of animals. Adult fleas are wingless and have piercing-sucking (tube-like) mouthparts. Their larvae have chewing mouthparts. Flea metamorphosis is complete. The larvae resemble small maggots and live in the soil or near the bedding of their hosts.
A good way to collect fleas from a dog or cat is to use a fine-toothed flea comb. Dusting pyrethrum powder on pets as they stand over a white cloth or paper or bathing with flea soap also may yield good collecting. Fleas drop off the animals and are picked up easily.