Central San -- Education:Less-Toxic Home & Garden - Fleas
02/20/08


Detection

The cat flea is the one most commonly found in and around the home.


Despite its name, the cat flea, Ctenocephalides felis, finds dogs and humans quite tasty too. Flea bites cause irritation, but also serious allergies in some animals and humans.
Less-Toxic Controls
Prevention
Resources
Printable Fleas
factsheet
Spanish version
 
 
 

        Detection

Adult fleas spend almost all of their time on an animal's body. Look for tiny, white, worm-like flea larvae on the floor, in rugs, in cracks and crevices, and anywhere pets rest or sleep. They feed on dried blood excreted by adults. In order to know when to begin and end your flea-control efforts, use a specially manufactured flea comb on your pet to keep track of the flea population.

        Less-Toxic Controls


Inside Your Home

  • Comb your pet with a metal flea comb, available at pet stores. Focus around the neck and base of the tail. Keep a wide container of soapy water nearby to drown captured fleas.
  • Bathe dogs in soap and water to drown fleas. Increase effectiveness by using a flea comb while the pet is lathered. It is not necessary to use soap with insecticide.
  • Vacuum carpets, floors, and upholstered furniture frequently throughout the year. Vacuuming carpets picks up adult and egg-stage fleas, but is less effective at removing larvae. Clean cracks and crevices; or better still, seal permanently with caulk. Try gently vacuuming your animal's coat to remove adult fleas.
  • Use diatomaceous earth (DE) to treat carpets, upholstered furniture, and pet bedding or blow it into cracks and crevices. Use a hand duster to apply a fine layer of DE. Wear a dust mask and goggles and avoid getting dust in your pet's eyes. DE has little toxicity to humans and pets, but kills fleas by absorbing the waxy coating on their bodies, causing dehydration and death.
  • Use borate-based carpet treatments. Borates have a low toxicity to humans and pets. Fleanix® carpet treatment can control fleas in carpeting for up to a year. Mix the powder with water in a rug shampooing machine with or without detergent. During shampooing, borate binds to carpet fibers and cannot be vacuumed up.
  • Flea traps are especially useful if you don't own a pet but still have fleas. In this case, also check for wild animals or rodents nesting in or around your home. Adult fleas are attracted to the warmth and light of an electric bulb and are caught on sticky paper. The most effective traps have a flickering green light.
  • Insect growth regulators (IGRs) prevent flea eggs from hatching and inhibit larvae from developing. The IGR methoprene can be applied to areas such as carpets and pet bedding. IGRs will not kill fleas that have reached adulthood before the material is applied. Use IGRs in combination with other measures listed in this fact sheet. Some products combine methoprene with permethrin to control both pre-adult and adult fleas.

Outside Your Home

  • Treat outside only where you have found high flea populations. To find these areas, walk around the yard in a pair of white socks. Check areas where animals rest, sleep, or regularly travel. You will easily see fleas that jump onto the socks.
  • Do not try to combat fleas by spraying around the perimeter of your house or spraying your entire yard. Spot-treat only those areas where you find large populations of fleas. Fleas will more likely be on an animal or inside your home. Concentrate your efforts there.
  • Check for wild animals like raccoons and opossums nesting under the house or porch. Dead animals can also be the source of a flea infestation. Treat nests under the house with diatomaceous earth.
  • Use beneficial nematodes in soil where you have found fleas. Be sure to water the area before and after application. For sources of nematodes, see Resources.

For Your Animal

  • Ultrasonic collars and machines are not effective. There is no scientific evidence that these products affect fleas, and they are not recommended.
  • Fipronil (Frontline®) and imida-cloprid (Advantage®) are applied to the skin of the animal in a small amount at one spot, usually at the base of the neck or between the shoulder blades. The insecticide spreads over the entire body of the pet and is effective for at least a month. These products have a low acute toxicity for mammals but can be irritating to eyes and should not be ingested. Use gloves when applying them.
  • Lufenuron (Program®) is given orally to the animal. Fleas that ingest this chemical produce only a few viable eggs, and larvae from those eggs cannot mature. Because lufenuron accumulates in fat and crosses the placental barrier, do not treat pregnant, nursing, or very young animals.

        Prevention

 

  • Restrict pets to a regular sleeping space so you can focus cleaning efforts on fewer areas.
  • Use washable pet bedding that can be gathered up easily by the four corners and laundered frequently. Soapy water destroys all flea stages.
  • For highly allergic people: Protect yourself by wearing a long sleeved shirt and long pants tucked into socks. If the weather is hot, just a pair of long white socks will offer some protection. Pick off fleas and drop them into soapy water. Apply insect repellents to shoes and clothing rather than to skin.
  • Keep wild animals and rodents away from the house. Patch holes or cover them with screen (1/4" hardware cloth) to prevent animals from getting in.

        Resources


Examples of trade names of products listed in this fact sheet:

Insecticidal Dusts:

Surefire® Crawling Insect Killer

Hand Duster:

Pest Pistol®

Borate-based Carpet Treatments:

Fleanix®

Flea Trap:

Raid® Flea Killer Plus

Insect Growth Regulators (IGRs):

Precor®

IGRs with Permethrin:

Precor® 2000

On Your Animal (available from vets):

Frontline® (Fipronil)
Advantage® (Imidacloprid)

Ingested by Your Animal (available from vets):

Program® (Lufenuron)

Beneficial Nematodes:

Steinernema carpocapse. Available from Rincon Vitova, P.O. 1555, Ventura, CA 93002; (805) 643-6267

Click here for additional Products and Resources.




Business | Residential | Student | Publications

Services | Sewer System | Organization | Education

© 2008 Central Contra Costa Sanitary District.
All Rights Reserved, Email : Central San