Img 1 Flea larva with a transparent body and red digestive track from consuming blood feces. View more pictures.
This page provides a quick summary of flea larvae, in the form of a FAQ. Click on the answers for detailed information, including citations.
What do flea larvae look like?
Flea larvae look like bristly, segmented worms. They’re 2-5 mm long and off-white. Their bodies are translucent, so their red guts are visible once feeding begins. They have no eyes or legs.
Are flea larvae black?
Their dark red guts can appear black from a distance.
Where do flea larvae live?
The larvae live where eggs fall into the environment. To survive they require dark, humid, food-rich habitats. In homes, most larvae live within carpets, where they burrow to the base to avoid light.
Do flea larvae live in pet poop?
No. Worms in pet feces may be roundworms, tapeworms, hookworms, or whipworms.
How far can flea larvae travel?
They rarely travel further than 20 cm from where they hatch.
How long do flea larvae live?
In homes, flea larvae mature in 7-11 days and then pupate. In poor conditions (cool and dry), it may take 28-45 days. Beyond this, when conditions get too harsh, the larvae perish.
How long does it take larvae to starve?
They’ll die within 3 days without food.
What percent of infestations are larvae?
Larvae make up 34-35% of flea infestations.
What’s the best way to get rid of fleas?
Please see our page on How to get rid of fleas for control information. Effective techniques to kill larvae include vacuuming, laundering, and using insect growth regulators.
Please leave a comment below if you have any questions that weren’t addressed, and I’ll add them to the list.