Danger Level: 3/5

Fleas

Ctenocephalides felis/canis

Fleas are tiny, wingless insects with laterally compressed bodies designed for moving through fur. They're dark reddish-brown and capable of jumping up to 150 times their body length. Their bites appe...

Quick Facts

Size1.5-3.3mm long
ColorDark reddish-brown
Lifespan2-3 months (can be longer)
Active SeasonsYear-round with pets
Common LocationsPet bedding, Carpets, Yards

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Identification

How to Identify Fleas

Quick Answer

Fleas are tiny, wingless insects with laterally compressed bodies designed for moving through fur. They're dark reddish-brown and capable of jumping up to 150 times their body length.

Fleas are tiny, wingless insects with laterally compressed bodies designed for moving through fur. They're dark reddish-brown and capable of jumping up to 150 times their body length. Their bites appear as small red dots, often in lines or clusters on ankles and lower legs.

Fleas - showing key features for identification
Behavior

Fleas Behavior & Habits

Understanding how fleas behave helps prevent infestations

Fleas behavior and habitat

Adult fleas spend most of their time on host animals (dogs, cats, wildlife). Females lay eggs that fall off hosts into carpets, bedding, and yards. Larvae develop in protected areas and can remain dormant in cocoons for months until vibration or CO2 triggers emergence. This is why vacated homes suddenly have flea explosions when new occupants arrive.

Dangers

Fleas Risks & Dangers

What fleas can do to your health and property

Health Risks

Flea bites cause intense itching and allergic reactions. Fleas transmit diseases including murine typhus and can transmit tapeworms to pets and occasionally humans. Heavy infestations can cause anemia in pets.

Property Damage

No structural damage, but infestations require extensive treatment of home and yard for elimination.

Warning Signs

Signs of Fleas Infestation

Look for these indicators in your home

Pets scratching excessively
Flea dirt (black specks) in pet fur
Bites on ankles and lower legs
Fleas jumping on light-colored surfaces
Pets with hair loss or hot spots

Fleas in Boise & the Treasure Valley

Fleas are common throughout the Treasure Valley wherever pets are present. They can survive Idaho winters in protected locations and on wildlife. Most infestations begin when untreated pets encounter wildlife or other infested animals.

Our Solution

How We Eliminate Fleas

Professional treatment for complete elimination

Flea control requires treating pets (through veterinarian), the home interior (including growth regulators to stop the lifecycle), and the yard. Multiple treatments are usually needed due to the flea lifecycle—pupae are protected from treatments and will emerge over weeks.

Prevention

How to Prevent Fleas

Steps you can take to reduce the risk of infestation

1
Use veterinarian-recommended flea prevention on all pets
2
Vacuum frequently, especially pet areas
3
Wash pet bedding regularly in hot water
4
Treat yard where pets spend time
5
Keep wildlife away from yard
FAQ

Fleas Questions Answered

Common questions about identification, prevention, and treatment

Why do I still have fleas after treatment?

Flea pupae in cocoons are protected from treatments. They continue emerging for 2-4 weeks after treatment. Multiple treatments and continued vacuuming are needed to break the cycle.

Can I get fleas without pets?

Yes. Fleas can come from wildlife in your yard, infested furniture, or previous occupants' pets. They can survive for months waiting for a host.

Related

Similar Pests

Learn about other pests in this category

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