Care guide
Springtails vs Fleas: How to Tell the Difference
This is the most common springtail question there is, and it is usually asked by someone who has already started worrying about fleas.
Springtails are tiny soil arthropods, usually under 2 mm. They are named for the furcula — a forked appendage folded under the abdomen that snaps down and flings the animal several times its own body length. That jump is why they get mistaken for fleas, and it is the single biggest source of confusion about them.
They do not bite, do not sting, do not carry disease, and do not damage buildings, furniture or stored food. They eat mould, fungus and decaying organic matter.
The Test That Settles It
Are you being bitten? That one question answers it almost every time.
| Springtails | Fleas | |
|---|---|---|
| Bites humans | Never | Yes — itchy welts, usually ankles and legs |
| Body | Soft, rounded, easily squashed | Hard, flattened side to side, hard to crush |
| Colour | White, grey, purple-ish, sometimes iridescent | Dark reddish brown |
| Where you find them | Damp places — sinks, tubs, drains, soil, pools | On pets, in bedding and carpet |
| Needs a host | No | Yes — a warm-blooded animal |
| How it jumps | Flicks a tail-like furcula, lands randomly | Jumps with its legs, directed |
The Giveaway: Where They Are
Fleas are where the animal is. Springtails are where the water is. If the jumping specks are in the bathroom, around a houseplant, on the kitchen windowsill or near a pool, and you have no bites, you are looking at springtails.
A useful second check: do you even have a pet? A flea infestation with no animal in the house is uncommon.
They Are a Symptom, Not the Problem
This is the part most pest advice skips. Springtails need moisture to survive and die quickly without it. A population indoors is telling you there is damp somewhere — and that is the actual problem.
Spraying them achieves very little. You kill the ones present, the damp remains, and a new population arrives. Find the water and the springtails leave on their own.
More on getting rid of them: how to identify and eliminate springtails.