Treatment FAQ

what life stage is the flea not affected by any kind of treatment?

by Richmond Kreiger IV Published 2 years ago Updated 2 years ago

What is the last stage of flea life cycle?

Flea Pupae The pupae stage of the flea life cycle accounts for about 10 percent of the flea population in a home. This cocoon stage is the last developmental stage before the adult flea emerges. The cocoon protects the pupae for several days or weeks before the adult flea emerges.

How long do Flea larvae stay in the body?

Larvae are not able to penetrate the skin of a pet or human, therefor they rely on the droppings of adult fleas. They are about 1-2 millimeters in length and transparent at the beginning. The larvae will become dark colored after feeding starts. Fleas stay in the larvae state from 5 to 14 days, depending on the amount of food they get.

What happens to the flea pupa stage?

Flea Pupa:after the flea larva is well-developed, it will attach itself to something and will transform into a cocoon. In the pupa stage, the flea will become inactive and will start to morph into an adult flea.

How long do fleas live on a host animal?

They spend the majority of their time living on the host while they feed, breed, and lay eggs, and can live anywhere from a couple of weeks to several months on the host animal. Use your knowledge of the flea life cycle to eliminate an infestation.

What are the life stages of fleas?

Most fleas have four life stages: egg, larva, pupa (in a cocoon), and adult.

What flea treatment kills all stages of fleas?

Activyl® Topical for Dogs and Cats (indoxacarb) is a flea treatment that is highly effective at killing fleas and preventing infestation. Activyl kills all flea stages - egg, larvae and adult.

What is the life cycle of a flea without a host?

The flea life cycle goes from egg to larva to pupa before the final adult stage. The process can take anywhere from two to three weeks to several months, depending on the conditions. Adult cat and dog fleas can live up to one year in ideal situations, but only about one to two weeks if no host is present.

What is the usual infective stage of the flea?

The larval stage lasts from four to 18 days, after which larvae spin silken cocoons and enter the pupal stage. The pupal stage may be complete within three days, or it can last as long as one year. Flea larvae hatch from eggs that were laid by a female flea and have fallen off the animal host.

How long will I see fleas after treatment?

As eggs hatch and develop, you might find fleas reappearing 10-14 days after treatment - this is quite normal and provided the insecticide remains in place it will kill them. This is why it is important not to carry out cleaning which might remove insecticide.

How do I know fleas are dying?

A. The active ingredient in FRONTLINE (fipronil) kills fleas by affecting their nervous system, making them hyperactive before dying. These dying fleas often rise to the top of your pet's haircoat, so the presence of visible fleas after treating your pet, is a sign that the product is working.

How long does it take for flea treatment to work on cats?

24 hoursAlthough it may happen a lot quicker it can take up to 24 hours for fleas jumping onto your pet to be killed. There are no flea products that stop fleas from jumping onto pets. This means that regardless of the licensed flea treatment you use - you may still see fleas on your pet until the flea product kills it.

How do fleas survive?

Fleas are parasites; they need a regular supply of blood to survive. Adult fleas develop a dependency on the blood of their host, so yes, they will quickly perish should they be separated from them for a certain amount of time – this could be as short as a couple of days.

Will fleas go away on their own?

Will Fleas Go Away on Their Own? The short answer is no, they won't! Fleas feed and reproduce on dogs, cats, and other pets with substantial hair, fur, or feathers. They are parasites that need blood hosts to survive, so they will jump around all the potential hosts in your home to find one.

What is the life expectancy of a flea?

Without a host, adult fleas live only a few days to 2 weeks. On short-haired cats and dogs fleas survive an average of 8 days; they live longer on long-haired animals. The female flea begins laying eggs within 2 days of her first blood meal.

How does spot on flea treatment work?

Spot on medicines work as an insecticide that kills off fleas on your cat or dog. Once you apply the treatment, the natural oils in their skin distribute the substance around their body. The pesticide chemical in the treatment remains in their hair follicles and continues to be release after the initial application.

How does flea medicine work?

They work by killing fleas and ticks (and sometimes mosquitos, depending on the product) by depositing chemicals into the sebaceous glands, where the active ingredient is released and translocates through the glands that lubricate a cat or dogs coat with oil.

How many stages of fleas are there?

Fleas Develop in 4 Stages. Fleas have 4 stages in their life cycle. Egg. Larva. Pupa. Adult. The flea population usually is composed of about 40% eggs, 40% larvae, 15 % pupae and only 5% adult fleas. In most of the cases, you will only notice the adult fleas for obvious reasons. Now imagine, if you already see hundreds of fleas in your home, ...

How long are flea larvae?

Larvae are not able to penetrate the skin of a pet or human, therefor they rely on the droppings of adult fleas. They are about 1-2 millimeters in length and transparent at the beginning. The larvae will become dark colored after feeding starts.

How long does it take for flea eggs to hatch?

In the right conditions flea eggs can hatch in 2 days. Eggs will hatch best in warm and humid environment. In cold temperatures, below freezing, eggs can survive for months without hatching. Flea Larva ( source – CC BY-SA 4.0) Flea Larvae: after the egg hatches, the flea larvae start crawling and looking for food.

How many eggs can a flea lay?

If the flea can’t find any food in a few days, it will die. The female flea can start laying eggs after her first meal. She can lay up to 50 eggs at a time over a 3 months period. During her lifetime, she can lay up to 4,500 eggs. After the female flea lays the eggs, the whole process starts again.

Do flea larvae die?

However, larvae are very sensitive to chemicals and are really dependent on the adults. Larvae feed on droppings of adult fleas, so if you manage to minimize the number of adult with various methods, the larvae will quickly die and there will be no resupply of new fleas.

Do eggs protect fleas?

The egg shell will protect the flea larvae from most chemicals. In the pupa stage fleas are also very well protected by the cocoon. Fleas are highly vulnerable in the larvae stage. Adults can still jump off and on the host, therefore some chemicals or remedies will not be able to kill them all.

How many stages of the flea life cycle?

First, it is very important to be familiar with and understand the life cycle of the flea when you are trying to eradicate their presence completely. There are four stages in the life cycle of a flea: egg, larva, pupa, and adult. Depending on the environmental temperature and humidity levels, the total life cycle will take anywhere ...

How long do fleas live on a host?

They spend the majority of their time living on the host while they feed, breed, and lay eggs, and can live anywhere from a couple of weeks to several months on the host animal.

How to get rid of fleas in your house?

Treat the environment properly by vacuuming regularly for several weeks and thoroughly washing bedding and toys in hot soapy water to remove eggs, larvae, and pupae. Remember to seal and remove vacuum bags after a cleaning session. You can even encourage faster emergence of the remaining pupae with a humidifier and an increase in the home temperature. Once all the hibernating pupae have emerged, you can make sure they are all destroyed. The household can be (cautiously) treated with sprays and foggers.

How do flea eggs start?

Flea Eggs. The beginning of the life cycle occurs when an adult female flea lays eggs following a blood meal from the host (e.g., your pet). Blood is necessary for the adult flea to reproduce. These eggs are small, white objects (slightly smaller than a grain of sand) that are laid in the pet’s fur in bunches of about 20.

What is the cocoon stage of fleas?

This cocoon stage is the last developmental stage before the adult flea emerges. The cocoon protects the pupae for several days or weeks before the adult flea emerges.

How long does it take for fleas to spin cocoons?

Larvae make up about 35 percent of the flea population in the average household. If conditions are favorable, the larvae will spin cocoons in about 5-20 days of hatching from their eggs. This leads to the next life stage, called the cocoon or pupae stage.

How do fleas emerge?

The adult flea will not emerge until the presence of a potential host is made obvious - by vibrations, rising levels of carbon dioxide, and body heat. This may be triggered by your pet walking by, or people moving in the house, alerting the flea to emerge from its cocoon to feed.

How many stages of life do fleas have?

Most fleas have four life stages: egg, larva, pupa (in a cocoon), and adult. This diagram shows the typical lifecycle of fleas. The lifecycle of fleas can be very quick or last many months to years depending on the environmental conditions throughout the life stages.

How long does it take for fleas to emerge from dirt?

Within 5-20 days of feeding on flea dirt, the larvae will spin a cocoon, and enter the pupa stage. The cocoon protects pupa from environmental conditions and insecticides/repellents for several days or weeks until adult fleas are ready to emerge.

How do fleas find their hosts?

Adult fleas find hosts by detecting body heat, movement, the vibrations caused by movement, and breathing.

How long does it take for a flea egg to hatch?

Eggs will hatch in one to ten days depending on environmental conditions such as temperature and humidity. After hatching from an egg, fleas enter their larval stage. Larvae are free moving and feed on blood and flea feces (poop; also called “flea dirt”), in order to continue their development.

How do fleas start their life cycle?

1. Flea Eggs. The life cycle for a flea typically starts when an adult female will lay their eggs after feeding on blood from a suitable the host , this is mainly cats or dogs. One half (50%) of the average home’s flea population are flea eggs. Without blood, adult fleas cannot reproduce.

How long does a flea cocoon stay in?

Its cocoon safeguards the pupae for up to weeks or months depending on the environmental conditions. The sticky outer coating on the cocoon allows it to protect and hide the flea larvae deep inside rugs and carpeting.

How long does it take for fleas to lay eggs?

Adult Fleas. After emerging from their cocoon, adult fleas start feeding (sucking blood) within 1-3 hours and becomes ready to breed and lay eggs in a few days. Adult fleas constitute about 5-percent of the flea population in your home. Female fleas cannot lay eggs until they have had a blood meal.

What do flea larvae eat?

Flea larvae emerge being wormlike and when – while also hiding from light. Larvae will eat flea dirt (pre-digested blood) and various organic debris they get in their surrounding. After feeding, the flea larvae will spin themselves into a cocoon and pupate (transform from an insect-like larva to adult).

What do fleas eat?

Fleas feed on blood, and the cycle of a flea’s life is closely aligned with that need. Flea eggs hatch into larvae, which then turn into pupae before emerging as adults. The adults lay eggs as they feed to continue the cycle.

How to get rid of fleas in house?

Vacuum carpets to remove eggs, larvae, and pupae. To ensure a flea free environment vacuum carpets, furniture and floors for three weeks. Machine wash toys, bedding and cloth in hot water to kill all flea stages.

How many eggs can a flea lay in a day?

Without blood, adult fleas cannot reproduce. A female flea can lay up to 40 eggs per day and as many as 2000 in her lifetime! The eggs are sticky, so they will stick to the fur of your pet. This is called “biting” or “bloodsucking”.

The Flea Life Cycle

Fleas are one of the most common parasites that vets see in practice, in particular Ctenocephalides felis (the cat flea). This can infect cats, dogs and rabbits as well as biting humans too, causing itchiness but also transmitting disease. There are different life stages that the flea goes through, which we refer to overall as the flea life cycle.

Adults

Fleas are one of the most common parasites that vets see in practice, in particular Ctenocephalides felis (the cat flea). This can infect cats, dogs and rabbits as well as biting humans too, causing itchiness but also transmitting disease. There are different life stages that the flea goes through, which we refer to overall as the flea life cycle.

Eggs

Female fleas can lay anywhere up to 50 eggs a day. These eggs are small, oval, and white. They roll and fall off the animal onto the ground where, in the right conditions, they hatch out into larvae within 2 to 12 days.

Larvae

Larvae are microscopic pale wriggly worms that crawl deep into cracks and gaps in their environment. This could be in the carpets or sofas of your home, between floorboards, or on the ground outside.

Pupae

After a period of feeding and growth, the larva spins itself into a cocoon and turns into a ‘pupa’. Dust and debris stick to it, disguising it and making it hard to suck up through a vacuum. This sticky pupal cocoon can sit disguised in its environment, for weeks or months if required, until an animal passes by.

How long is the flea life cycle?

How long the flea life cycle is depends on whether the conditions are favorable to the fleas or not. Extremes of temperature and low humidity can cause them to slow down their development.

Breaking the flea life cycle

Around 90% of the flea life cycle takes place in the surrounding environment and not on the pet itself. A flea infestation in the home can be tricky and will take time to get rid of but trying the following tips should help speed things along.

What animals can you treat for fleas?

This includes small mammals such as pet rabbits, hamsters, guinea pigs, etc. Talk to your veterinarian about the best products to use for flea control for all animals in your household.

How many fleas are there in a house?

It's a sobering thought that, for every flea on your dog or cat, there are probably at least nine more in your home. Adult fleas lay eggs which hatch into larvae and get everywhere—in carpets, between floorboards, in upholstery and in your pet's bedding.

How to keep fleas out of my house?

Wash all your pet's bedding at a high temperature. Vacuum your carpets and furniture to remove eggs, larvae and pupae and discard the vacuum cleaner bag. By targeting all the hideouts at once, you help break the life cycle and keep your pet and home flea-free.

How long does it take for a flea to hatch?

Large number of eggs (e.g., 40 to 50) laid every day. Fall off pet onto floor and furnishings. Hatch as larvae in as little as 1 to 10 days. 25% to 30% develop into adult fleas.

Do you have to break the flea life cycle?

If you've had a flea infestation in your home, you'll never want to have one again. To stop repeat infestations, you need to break the flea life cycle once and for all, for a successful attempt at getting rid of fleas.

How does flea prevention work?

These products work in two ways: They kill the adult fleas on your cat or dog. They break the flea life cycle by killing flea larvae, an immature stage of a flea. When it comes to flea prevention for your pet, there are many products available from your veterinarian or local pet store.

Why do fleas not jump?

Contrary to popular belief, fleas neither jump from pet to pet nor fly because they do not have wings. They stay on one pet biting, feeding and laying eggs for up to several months. If a flea cannot find a dog or cat to jump on, it’s not uncommon for them to jump on and bite people.

Why is it important to use flea killer on dogs?

Killing fleas across various life stages helps break the flea life cycle and prevent fleas from biting your cat or dog. That’s why it’s important to use a product that both treats and prevents fleas. They kill the adult fleas on your cat or dog.

How many eggs can a flea lay in a day?

Stage 1: Flea Eggs. One flea can lay up to 50 eggs in one day, which fall off your dog or cat anywhere they go. As your pet moves around, flea eggs disperse into the surroundings, including carpet, bedding and the backyard.

How long does it take for fleas to hatch?

Flea larvae hatch from eggs in one to 10 days. Flea larvae feed on organic debris, don’t like sunlight and live in moist, dark areas such as: 1 In carpeting 2 Under furniture 3 Under baseboards 4 In bedding 5 In shaded areas of your yard

How do larvae turn into pupae?

Larvae turn into pupae by enclosing themselves in a sticky, silk‐like cocoon. They usually emerge as adult fleas one to two weeks later, but can stay in their cocoons for weeks or months waiting for a host — like your dog or cat — to live on.

Can humans see fleas?

Since humans can only see adult fleas, it can be difficult to grasp the full scope of an infestation. Most pet owners focus treatment efforts on the adult fleas they see crawling on their pets and are unaware of the younger stages of fleas growing in the surrounding environment.

Life cycle

Properties

Causes

  • Adult fleas begin searching for food when they emerge from the pupal stage. While fleas are noted for their jumping abilities, they will remain stationery when a suitable host is located. Females begin laying eggs within 48 hours of the first feed, thus beginning the life cycle again. Cold environments cause eggs to perish before hatching. Humidity...
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Appearance

Image
There are four stages in the life cycle of a flea: egg, larva, pupa, and adult. Depending on the environmental temperature and humidity levels, the total life cycle will take anywhere from a couple weeks to many months. Optimal conditions for fleas are between 70-85°F and 70 percent humidity. The beginning of the life c…
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Prevention

  • Cocoons have a sticky outer coating that allows them to hide deep in the carpeting and not be easily removed by light vacuuming or sweeping. The cocoon also serves to protect the developing adults from chemicals.
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Treatment

  • The adult flea will not emerge until the presence of a potential host is made obvious - by vibrations, rising levels of carbon dioxide, and body heat. This may be triggered by your pet walking by, or people moving in the house, alerting the flea to emerge from its cocoon to feed.
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Understanding The Flea Life Cycle – 7 Facts

  • New adult fleas have a flat-bodied appearance and are very small and dark in color. Once they have had a chance to feed off your pet, they will become larger and lighter in color, taking on the more recognizable flea shape. Adult fleas account for less than 5 percent of the entire flea population in a home. They spend the majority of their time living on the host while they feed, br…
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How to Break The Flea Life Cycle

  • Use your knowledge of the flea life cycle to eliminate an infestation. Treat the environment properly by vacuuming regularly for several weeks and thoroughly washing bedding and toys in hot soapy water to remove eggs, larvae, and pupae. Remember to seal and remove vacuum bags after a cleaning session. You can even encourage faster emergence of the remaining pupae wit…
See more on petmd.com

How to Flea Treat My Cats and Dogs

  • Treat the adult fleas living on your pet with cat flea and tick shampoo, dog flea and tick shampoo, sprays, dips, spot-on medications or prescription flea and tick treatments from your veterinarian. If you have any questions or concerns, especially in regards to your pets health or age, your veterinarian can help you make the best decision for treating your pet.
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Conclusion

  • 1. Flea Eggs
    The life cycle for a flea typically starts when an adult female will lay their eggs after feeding on blood from a suitable the host, this is mainly cats or dogs. One half (50%) of the average home’s flea population are flea eggs. Without blood, adult fleas cannot reproduce. 1. A female flea can l…
  • 2. Flea Larvae
    Flea eggs can remain dormant for up to 18 months until they sense enough heat, which triggers an egg to hatch ( into larvae) within seconds! Flea larvae constitute about 35-percent of fleas in your house. The newly hatched larvae will start looking for food immediately. 1. The larvae will f…
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