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Flea adults, larvae, or eggs can be controlled with insecticides. Lufenuron is a veterinary preparation (known as Program) that attacks the larval flea's ability to produce chitin , necessary for the adult's hard exoskeleton , but it does not kill fleas.
The pests live in four life stages: egg, larva, pupa and adult fleas, according to the Centers for Disease Control and Prevention. Adults are commonly found on pets and feast on their blood for ...
Without a host to provide a blood meal, a flea's life can be as short as a few days. Under ideal conditions of temperature, food supply, and humidity, adult fleas can live for up to a year and a half. [16] Completely developed adult fleas can live for several months without eating, so long as they do not emerge from their puparia. Optimum ...
The adults are roughly 1.5 to 4 mm in length and are laterally flattened [4]. They are dark brown in color, are wingless, and have piercing-sucking mouthparts that aid in feeding on the host's blood. Both genal and pronotal combs are absent and the adult flea has a rounded head. Most fleas are distributed in the egg, larval, or pupal stages.
The most infamous flea-to-human transmitted disease is the bubonic plague, which was caused by the bacterium Yersinia pestis.
Barring any disturbances to the cocoon, an adult flea will emerge from the puparium after 9–15 days. [8] Males are still mobile after a blood meal like other fleas, but the female flea burrows head-first into the host's skin, leaving the caudal tip of its abdomen visible through an orifice in a skin lesion.
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