Fleas can be extremely hard to control in your home especially when you find one on your pet, many more could be developing in your house. Many people treat fleas by using foggers and spray insecticides which are very unhealthy to humans and animals. Constant vacuuming on a regular basis must be done to suck up the adult and younger fleas hiding in the carpet.
Its much easier just to use our extremely powerful patented 2400 Volt Bug Zapper to kill the fleas in your home. Unlike most bug zappers you might see for sale in stores locally, ours is specially designed to instantly kill the tiniest of insects such as fleas, bed bugs and lice. Even our 1500 volt bug zapper which you would think would be strong enough, cant handle fleas. A few simple swipes of the 2400 volt bug zapper will easily kill the jumping fleas, and youll start to hear popping and crackling sounds knowing they are instantly eradicated.
Fleas are the insects forming the order Siphonaptera. They are wingless, with mouthparts adapted for piercing skin and sucking blood. Fleas are external parasites, living by hematophagy off the blood of mammals and birds.
Fleas are wingless insects, 1/16 to 1/8-inch (1.5 to
3.3 mm) long, that are agile, usually dark colored (for example, the
reddish-brown of the cat flea), with tube-like mouth parts adapted to feeding on
the blood of their hosts. Their legs are long, the hind pair well adapted for
jumping; a flea can jump vertically up to 7 in (18 cm) and horizontally up to 13
in (33 cm), making the flea one of the best jumpers of all known animals
(relative to body size), second only to the froghopper. If humans had the
jumping power of a flea, a 1.8-m (6-ft) person could make a jump 90 m (295 ft)
long and 49 m (160 ft) high.
Researchers with the University of Cambridge in England found that fleas take off from their tibiae and tarsi (the insect equivalent of feet) and not their trochantera, or knees. It has been known that fleas do not use direct muscle power, but instead use the muscle to store energy in a protein named resilin before releasing it rapidly (like a human using a bow and arrow), with researchers using high-speed video technology and mathematical models to discover where the spring action actually happens.
Their bodies are laterally compressed, permitting easy movement through the hairs or feathers on the host's body (or in the case of humans, under clothing). The flea body is hard, polished, and covered with many hairs and short spines directed backward, which also assist its movements on the host.
The tough body is able to withstand great pressure, likely an adaptation to survive attempts to eliminate them by mashing or scratching. Even hard squeezing between the fingers is normally insufficient to kill a flea. However, rolling them back and forth a dozen times disables their legs, resulting in death.
Micrograph of a flea larva
Fleas lay tiny, white, oval-shaped eggs better viewed through a loupe or magnifying glass. The larva is small and pale, has bristles covering its worm-like body, lacks eyes, and has mouth parts adapted to chewing. The larvae feed on various organic matter, especially the feces of mature fleas. The adult flea's diet consists solely of fresh blood. In the pupal phase, the insect is enclosed in a silken, debris-covered cocoon.
Fleas are holometabolous insects, going through the four lifecycle stages of egg, larva, pupa, and imago (adult). Adult fleas must feed on blood before they can become capable of reproduction. Flea populations are distributed with about 50% eggs, 35% larvae, 10% pupae, and 5% adults.
The flea life cycle begins when the female lays after feeding. Eggs are laid in batches of up to 20 or so, usually on the host itself, which means that the eggs can easily roll onto the ground. Because of this, areas where the host rests and sleeps become one of the primary habitats of eggs and developing fleas. The eggs take around two days to two weeks to hatch.
Flea larvae emerge from the eggs to feed on any available organic material such as dead insects, feces, and vegetable matter. In laboratory studies, some dietary diversity seems necessary for proper larval development. Blood-only diets allow only 12% of larvae to mature, whereas blood and yeast or dog chow diets allow almost all larvae to mature. They are blind and avoid sunlight, keeping to dark places such as sand, cracks and crevices, and bedding.
Given an adequate supply of food, larvae pupate and weave silken cocoons within 1-2 weeks after three larval stages. After another week or two, the adult fleas are fully developed and ready to emerge. They may remain resting during this period until they receive a signal that a host is near - vibrations (including sound), heat, and carbon dioxide are all stimuli indicating the probable presence of a host. Fleas are known to overwinter in the larval or pupal stages.
Once the flea reaches adulthood, its primary goal is
to find blood and then to reproduce. Its total life span can be as short as one
year, but may be several years in ideal conditions. Female fleas can lay 5000 or
more eggs over their life, allowing for phenomenal growth rates. Average 30-90
A flea might live a year and a half under ideal conditions. These include the right temperature, food supply, and humidity. Generally speaking, an adult flea only lives for 2 or 3 months. Without a host for food a flea's life might be as short as a few days. With ample food supply, the adult flea will often live up to 100 days.
Newly emerged adult fleas live only about one week if a blood meal is not obtained. However, completely developed adult fleas can live for several months without eating, so long as they do not emerge from their puparia. Optimum temperatures for the flea's life cycle are 21 C to 30 C (70 F to 85 F) and optimum humidity is 70%.
Adult female rabbit fleas, Spilopsyllus cuniculi, can detect the changing levels of cortisol and corticosterone hormones in the rabbit's blood that indicate it is getting close to giving birth. This triggers sexual maturity in the fleas and they start producing eggs. As soon as the baby rabbits are born, the fleas make their way down to them and once on board they start feeding, mating, and laying eggs. After 12 days, the adult fleas make their way back to the mother. They complete this mini-migration every time she gives birth.
In the past, it was most commonly supposed that fleas
had evolved from the flies (Diptera), based on similarities of the larvae. (Some
authorities use the name Aphaniptera because it is older, but names above family
rank need not follow the ICZN rules of priority, so most taxonomists use the
more familiar name). Genetic and morphological evidence indicates that they are
descendants of the scorpionfly family Boreidae, which are also flightless;
accordingly, they may eventually be reclassified as a suborder within the
Their evolution continued to produce adaptations for their specialized parasitic niche, such that they now have no wings and their eyes are covered over. The large number of flea species may be attributed to the wide variety of host species on which they feed, which provides so many specific ecological niches to which to adapt. In any case, all these groups seem to represent a clade of closely related insect lineages, for which the names Mecopteroidea and Antliophora have been proposed.
Flea systematics are not entirely fixed. While compared to many other insect groups, fleas have been studied and classified fairly thoroughly, details still remain to be learned about the evolutionary relationships among the different flea lineages.
Family Hectopsyllidae sticktight and chigoe fleas ("jiggers" of Latin America)
Family Pulicidae common fleas
Family Rhopalopsyllidae hosts
Family Vermipsyllidae hosts: carnivores
Family Hystrichopsyllidae hosts: rats and mice, includes Ctenopsyllidae, Amphipsyllidae
Fleas feed on a wide variety of warm-blooded vertebrates including dogs, cats, humans, chickens, rabbits, squirrels, rats, ferrets, and mice.
Fleas are a nuisance to their hosts, causing an
itching sensation which in turn may result in the host attempting to remove the
pest by biting, pecking, scratching, etc. in the vicinity of the parasite. Fleas
are not simply a source of annoyance, however. Flea bites generally cause the
formation of a slightly raised, swollen itching spot with a single puncture
point at the center (similar to a mosquito bite).
The bites often appear in clusters or lines of two bites, and can remain itchy and inflamed for up to several weeks afterwards. Fleas can also lead to hair loss as a result of frequent scratching and biting by the animal, and can cause anemia in extreme cases.
Besides the problems posed by the creature itself,
fleas can also act as a vector for disease. Fleas transmit not only a variety of
viral, bacterial and rickettsial diseases to humans and other animals, but also
protozoans and helminths.
Bacteria - murine or endemic typhus: Fleas have helped cause epidemics by transmitting diseases such as the bubonic plague between rodents and humans by carrying Yersinia pestis bacteria. Fleas can also transmit Rickettsia typhi, Rickettsia felis, and Bartonella henselae.
Hhelminth: infestation of Hymenolepiasis tapeworm
Protozoa: Trypanosome protozoans such as those of the subgenus Herpetosoma, use a variety of flea species opportunistically as vectors.
Fleas that specialize as parasites on specific mammals may use other mammals as hosts; therefore, humans are susceptible to the predation of more than one species of flea.
A misconception concerning the carrying/transmission of the HIV/AIDS virus by fleas has been debunked by the Centers for Disease Control and Prevention (CDC). According to the CDC and other sources, it is highly unlikely or impossible for fleas to carry the virus or spread it to other humans.
Fleas can settle in a person's hair in less than ten minutes, causing soreness and itching. The itching associated with flea bites can be treated with anti-itch creams, usually antihistamines or hydrocortisone. Calamine lotion has been shown to be effective for itching.
Modern flea control is approached using integrated
pest management (IPM) protocols at the host (pet) level. IPM is achieved by
targeting fleas during at least two separate life stages, with at least two
separate molecules. This is typically achieved using an adulticide to kill adult
fleas and an insect development inhibitor (IDI), such as lufenuron, or insect
growth regulator (IGR), such as methoprene, to prevent development of immature
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 does not kill fleas. Flea medicines need to be used with care because many of them also affect mammals.
Flea treatments meant for dogs can be hazardous to cats. Flea and tick ointment is also hazardous to humans; the label of a commercial preparation warns: First aid: If on skin or clothing, take off contaminated clothing, rinse skin immediately with plenty of water for 15 20 minutes; call a poison control center or doctor for treatment advice. . . Although (the product is) applied only between the shoulder blades and at the base of the tail, the dogs skin and hair oils carry the product over the entire body . . . Wash thoroughly with soap and water after handling
Cedar oil, a nontoxic natural substance, has been proven effective in the eradication of infestations in pets. However, use of some essential oils can be hazardous to cats, especially those containing phenols.
Since more than three-quarters of a flea's life is spent somewhere other than on the host animal, it is not adequate to treat only the host; it is important also to treat the host's environment. Thorough vacuuming, washing linens in hot water, and treating all hosts in the immediate environment (the entire household, for example) are essential and if possible must be performed on a regular basis.
Contemporary commercial products for the topical treatment of flea infestations on pets contain pesticides such as imidacloprid, permethrin, and (S)-methoprene. All flea-control products are recommended to be used at least half-yearly because the lifecycle of flea and tick can last to up to 6 months, and by using one of the flea and tick control products for so long, the infestation is highly prevented and, in the end, stopped. Although all these products are effective in fighting against flea and tick infestations, they have different active ingredients and, because cats cannot metabolize some of the compounds of the product, care must be taken in their use.
Combatting a flea infestation in the home takes
patience because for every flea found on an animal, many more could be
developing in the home. A spot-on insecticide will kill the fleas on the pet and
in turn the pet itself will be a roving flea trap and mop up newly hatched
fleas. The environment should be treated with a fogger or spray insecticide
containing an insect growth regulator, such as pyriproxyfen or methoprene to
kill eggs and pupae, which are quite resistant against insecticides.
Flea fecal material, coiled larva, and fleas in the pupal stage combed from a cat, are also called flea dirt.
Frequent vacuuming is also helpful. The vacuum must be used around everything the animal frequents, to pick up all the larvae and eggs. Traditional advice recommends disposing of the bag after each vacuuming. One very limited experiment (only one vacuum sweeper used on a single type of carpeted surface) found that vacuuming killed 96% of adult fleas and 100% of younger fleas. This preliminary study's applicability to other circumstances is unclear.
Diatomaceous earth can also be used as a home flea treatment in lieu of acetylcholinesterase inhibitory treatments or insecticides which carry with them a risk of poisoning for both humans and other animals. However, diatomaceous earth dust is harmful to pets and people when inhaled, so use of a dust mask is recommended when applying it. Application is effective on both the interior and exterior of one's property, but the efficacy of diatomaceous earth is diminished when introduced to water. Diatomaceous earth is commonly available in (amorphous silica) food-grade quality; the grade used for pool filters (crystalline silica) should never be used for flea control, as it is not as effective and causes silicosis when inhaled. It is also effective to simply leave it exposed in areas typically vulnerable to fleas and other insects.
Bathing can dramatically reduce the flea population on a badly infested animal, especially when in combination with a mild detergent or shampoo, and brushing or combing.
Baking soda can be used to kill fleas via dehydration. It is available in large amounts as a food-grade material and is safe for family and pets when used inside the home on carpets and floors. A layer can be sprinkled onto a carpet and worked into the fibers down to where the larvae and eggs are, and will dehydrate and kill them. The soda can be easily vacuumed up afterwards on the condition of safe disposal. Often, multiple weekly treatments will be required to remove an infestation completely. Table salt can also be used inside the home in the same way as, or in combination with, baking soda as a low-cost and safe method of breaking their lifecycle. Pulverizing or grinding the salt with a coffee grinder will make it more effective as it will stick to the flea, killing it quicker through dehydration.
Dried pennyroyal has been suggested as a natural flea control, but is not recommended in homes with pets due to its high toxicity to mammals.
Borax is sold as a "natural laundry booster" and can also be used as another home treatment for flea infestations. Borax contains sodium borate which kills fleas by dehydrating them, but its safety for pets is untested.
Fleas cannot withstand high temperatures, so a turn through the dryer on medium or high will kill the fleas.
To collect living fleas from a room or space, eliminate lighting as much as possible while focusing a single source of light just above the floor and directing the light downward. This is best done at night or by covering windows. A sticky bug pad can be placed under the light, or a plate of water mixed with typical soap for the fleas to fall into. The fleas will be drawn to the light and die in the water or be trapped on the sticky pad just below the light.
A combination of controlled humidity, temperature, and
vacuuming should eliminate fleas from an environment. Altering even one of these
environmental factors may be enough to drastically lower and eliminate an
Vacuuming on a frequent basis not only the places where the pet lies, but also is particularly effective. A laboratory study showed that vacuuming catches about 96% of adult fleas.
In arid areas, less than 5% of flea eggs complete the lifecycle. Because humidity is critical to flea survival, eggs need relative humidity of at least 70-75% to hatch, and larvae need at least 50% humidity to survive. In humid areas, about 20% of the eggs survive to adulthood. Dehumidifiers with air conditioning and vacuuming all may interrupt the flea lifecycle.
Lower temperatures slow down or completely interrupt the flea lifecycle. Fleas thrive at higher temperatures, but need 21 to 32C (70 to 90F) to survive.
Fleas can be drowned
A flea submerged for up to 12 hours will appear to be dead, but can revive in about 60 minutes after being removed from the water.
A flea submerged for 18-20 hours will appear to be dead, but can revive in 4-5 hours after being removed from the water.
About 24 hours of full submersion fatally drowns a flea.
Lice can be fatally drowned in about 12 hours.
Soap can facilitate the death of fleas in bathing. The process of washing the flea (and the pet) removes integumental waxes on the flea's body and it dies from desiccation (dehydration). Not a lot of solid research specific to fleas (Siphonaptera) and soap (surfactants) exists, but many general insect works have been reported. A number of pesticides include surfactants (soap) in their make-up to increase effectiveness, but these seem to be an aid in the delivery of the pesticide and are not added because the surfactants have any additional killing power.
"A surfactant may affect the efficacy of an insecticide by its influence on wetting, spreading and run-off rather than by its influence on cuticular penetration." Some evidence suggests soaps can help break down cell membranes, but they seem to be most effective on soft-bodied insects (which fleas are not). "Soaps... kill insects by disrupting the exoskeleton and breaking down cell membranes. Soaps generally work best against small soft-bodied insects such as aphids, scale crawlers, mealybugs, and young caterpillars, as well as spider mites."
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