|
Siphonaptera the FLEA THE DOG FLEA |
|
|||
|
" LEARN MORE, BE MORE " | ||||
|
Updated:09/25/05 11:10 - | ||||
![]()
|
Fleas, flees, fleese, phlees,
phleas,
![]()
|
♫ SURF&LISTEN
♫ |
THE DOG FLEA
The Flea - What is it?
|
|
Flea A small wingless bloodsucking insect with legs modified for jumping. Fleas have irritating bites and move from host to host; some species carry serious diseases. Two widely distributed species are the human flea - Pulex Irritans - and the oriental rat flea - Xenopsylla Cheopis - which transmits bubonic plague and typhus to humans. Though by far the most common flea is the Cat Flea. |
|
|
|
|
Parasite - An organism living in or on another organism of a different species, called the host, from which it obtains food and protection. Many parasites have complex life cycles, with one or more intermediate hosts, of different species, supporting them during their development. The study of parasites - parasitology - is of importance in medicine since many parasites, such as bacteria, fungi, either cause or transmit disease. Many plants are either partly or completely parasitic. |
|
|
|
|
![]()
|
FLEAS |
|
Most pets, wild animals and humans will suffer with fleas at one time or the other. More often than not, especially in the wild, the problem is not controlled at all. Prevention is much better than cure, and if not prevented, quick decisive action to rid them from your home, is imperative. Whilst a few fleas, to the greater extent cannot hurt you or your animals, when it becomes an infestation the problem can get serious. You and your pets can get allergic reactions to flea-bites, which can cause, lethargy, excessive scratching, which can in turn cause various skin diseases, conditions and reactions. With an infestation, young animals, can actually lose so much blood that it will cause anemia. Skin problems can escalate and your dog or cat may make it much worse by scratching or chewing at the bite-site. A further, and sometimes more serious problem is that fleas can pass on parasites and diseases not only to you, but also to your animals. Historically humans have been killed in their millions, by fleas carried by rats that had the Bubonic Plague. Neither the rats or the fleas were affected by this disease, but humans fell like flies. Fleas can also pass on worm larvae that live in the flea's gut, they wait there until they are injected into the blood stream of a mammal, where it makes its way to the mammal's gut, and turns into the adult worm. Or your pet can swallow a flea during excess grooming, and the larvae will escape from the dead flea and then turn into a worm. This can cause weight-loss, diarrhea and sickness. Signs you have Fleas. You or your pet will start to scratch more than is normal. Your pet will be agitated and scratch in quick spurts; sometimes giving a little yelp. Your pet may rub their faces more than usual. You may find tiny small brown croissant shaped pieces of faeces. These will become red if rubbed in a damp white cloth. Flea larvae feed off adult faeces. You may scratch because you are being bitten OR it will be your imagination. We often get itchy feelings, for no real reason that it is in our minds. |
|
|
![]()
Fleas, flees, fleese, phlees,
phleas,
|
|
The Flea - What is it?
Fleas are very small robust insects that are sometimes termed as parasites. Defined by any dictionary as 'self-seeking hangers-on', they actually live along side other animals and seek and use theses animals as feeding sites. Sucking nutriment directly from their victim. In the flea's case, this means drinking the 'host' animal's blood. Siphonaptera, is the Latin name for the collective species of fleas and there are around 3,000 different species currently recognized by flea-authorities around the world. 95% of these occur on mammals with around 5% occurring on birds. Whatever an adult flea is living on, is commonly referred to as the 'host' and different species of flea are usually named after the 'host' on which they were first discovered or are most usually found. Such as the cat flea, dog flea, hedgehog or rabbit flea for example. Some fleas have developed particular liking for particular hosts, though most fleas will 'holiday' on anything alive given the chance. In fact it has been said that fleas even have fleas and those fleas have fleas, or some equally obnoxious parasite, ad infinitum.
Fleas are not always peculiar only to their namesakes. For example, the most common flea on both dogs and cats is the cat flea, Ctenocephalides felis, but both cats and dogs can also occasionally be affected by other fleas, such as rabbit and bird fleas. Ctenocephalides canis - the dog flea, which has been previously found in great numbers on dogs, but rarely on cats, is becoming more scarce as dogs are more frequently kept in enclosed environments similar to that of the domestic cat. Whilst the domestic cat remains a free spirit and able to roam wherever, it will get fleas. The domestic dog is no longer such a roaming pack-animal and usually is well cared for, so the best habitat for the dog-flea is in decline. However, as has been said, any flea will take on the maxim: 'any port in a storm' and will drink / feed off any animal it can land on, but it still only prefers its general host though. The human-flea, in some countries is almost relatively extinct due to greater cleanliness and awareness of such critters. Adult fleas are about 1/16 to 1/8-inch long, dark reddish-brown, wingless, hard-bodied and cannot be crushed between fingers, they must be nipped between the finger nails until you hear a snap. They have three pairs of legs and the back legs are very enlarged and enable jumping. The legs can be recoiled like springs and then released with an explosion of energy. Fleas are excellent jumpers, leaping vertically up to seven inches, moving up to thirteen inches across surfaces. A flea can jump a 250 feet high and 450 feet along in human terms, as long as the starting point is of sufficient resistance. This is, pound for pound, the greatest jump of any creature on the planet. They are flattened very thin vertically, this allows easy movement between the hair, fur or feathers of the host. Even though they are adapted for this, for obvious reasons maybe, there is no sheep-flea; a sheep's coat is too thick to allow convenient movement. The adult flea have piercing-sucking mouthparts and spines on the body projecting backward. Also, there is a row of spines on the face known as the genal comb. They feed by piercing the skin layers of any warm animal and just like the aphid that pierces the skin of the plant, they do not do much sucking, but rely on natural pressure of the body. In our case, our natural blood-pressure forces blood out straight into the gut of the flea. Generally, this blood would coagulate or thicken to try and block the wound, but the flea, just like most other blood-sucking insects, introduces a chemical that stops this coagulation.
Larvae are 1/4-inch long, slender, straw-colored, brown headed, wormlike, bristly-haired creatures, with 13 body segments, that are legless and have chewing mouthparts. They are continually active and avoid light by burrowing into the nest or carpet pile. Pupae are enclosed in silken cocoons covered with particles of debris. The larvae feed mainly on human skin flakes and even the discarded faeces of the adult flea. The adult sucks copious amounts of blood and this is readily digested and disposed of, because this digestion is inefficient, perhaps 70% of the adult's waste still contains nutrition. The fleas have 4 phases of development - the egg, the free-living larva, the pupa and the imago. Imago: The adult sexually mature stage in the life cycle of an insect after metamorphosis.
Fleas have been around for millions of years - a fossilized flea found in Australia is said to be 200 million years old. It does not differ significantly from today's fleas. Different species can be found from the Arctic Circle to the Arabian deserts - even penguins have fleas which counteract the cold by ensuring that their growth into adulthood coincides with the time when penguins are sitting firmly on their eggs, thereby keeping both fleas and their young in a warm environment! Adult cat fleas are generally around 2mm long, with females being larger than males. The largest species of flea is Hystrichopsylla schefferi - a flea found in the nest of a mountain beaver in Puyallup, Washington, USA in 1913. The female can grow up to 8mm long. This is almost a third of an inch. During their life cycle, cat and dog fleas undergo complete metamorphosis, going through the four developmental stages from egg to larvae, pupae and on to adulthood. As adults, once they have found a suitable host - your dog or cat for example - they can remain there until they die, or are groomed off - their life on your pet is only about 1-2 weeks. It is generally a misconception that they jump freely to other hosts, however, a jumping flea may land on a passing mammal and make it a home. This host could be you as it is attracted to heat and vibrations and leaps out where it thinks it will find food. As well as this fleas do readily just drop off, if looking to reproduce, but they can also find a mate within the fur of the host, so there is no hard and fast rule. Like most living creatures, fleas, in all stages of development, are affected greatly by humidity and temperature. They need water in their environment just as we do, and will die without a suitable environment; liking quite a warm humid temperature, where they will thrive as long as they have mammals as a symbiosis companion. The most important thing to learn about the flea is that it is not the adults that present the main problem in flea control. Research has shown that, in an average household, adult fleas only represent around 5% of a total Siphonaptera population. Flea pupae account for around 10%; fleas in the larval stages around 35%; whilst flea eggs make up a whopping 50% of the total! Adult fleas will die naturally within one or two weeks following their arrival on your dog or cat. Simply treating your dog or cat with an appropriate insecticide to kill the adult fleas means that 95% of the flea population are unaffected and are simply left to develop into new adults all around your home.
Because of this time-bomb situation you must accept that you have a potential catastrophic set of circumstances to contend with. In some situations where fleas have been left to flourish, say when dogs or cats have been abandoned and locked up in an enclosed environment. SPCA inspectors have been met on occasion with a ravishing army of literally hundreds of thousand of fleas. One female inspector has said that as she was wearing a skirt was 'attacked' and she could hardly see any of her lower legs due to the massing of fleas attaching themselves on to her in some feeding frenzy. Things in most homes would never get this bad but could come quite close. If you keep animals you must also accept that you will get fleas. The flea-population is directly proportional to how you cope. Without a doubt your best defense is the humble vacuum-cleaner, and the more powerful the better. Some cleaners are so powerful that they will lift the carpet slightly off the floor and suck out quite a lot of debris such as the aforementioned human skin.
See DUST MITES. See ANTS See BEDBUGS See HEAD LICE See Mosquitoes A good Hoover will takes away eggs, larvae, some fleas and of course their potential food source. So if you think that you may have an infestation you must Hoover daily if not twice daily. This breaks the life-cycle. The larvae will feed on human skin flakes, scabs from flea bites, any organic material really and flea droppings. The adult flea will gorge on the blood of its host and as its digestion system is not that efficient its excrement or faeces will contain a lot of undigested clotted blood. The droppings are generally moon shaped and the color of coffee beans and a staple diet for the flea larvae. Dogs and cats, especially those in rural areas, occasionally pick up fleas other than Ctenocephalides felis or Ctenocephalides canis, such as those listed, through burrowing into the living quarters and living environments of the different host species, where newly hatched fleas may be waiting. Bird fleas can even be collected by pets because they are very common in nesting boxes and often migrate out of them. Many drop to the ground, from where any passing mammal can be 'preyed'.
Has your dog / cat got fleas? In all likelihood, the answer is 'yes' even if it's not immediately obvious. There are around 14 million cats and dogs in Britain today; five times more in the States and all pets will, at some time in their lives, be irritated by fleas. Fleas are the most common cause of skin irritation in cats and dogs. Many vets confirm that up to two thirds of their time, especially in the summer, is spent treating flea-related conditions in pets.
Locking the stable-door, after the horse has bolted.If you have pets, you should now know that your pet WILL get fleas during some part of its life, and this will be to varying degrees. Do not leave the problem until it has become so serious that your pet is really uncomfortable and you have fleas jumping all over the place, especially to such a point that will tantamount to a household infestation, as this will become very difficult to control. The longer you leave things the more serious the situation will get and the more difficult then to remove.
|
||||||||||||||||||||||||||||||||||||||||
|
Fighting Fleas
Naturally. Fleas are a serious problem an done that can cause much heartache and stress. Chemicals and sprays are the most common tools used but at what detriment to the health of you and your family? The following informs of a few natural, non-toxic ideas to help make your home, garden, and pets less appealing to fleas. These methods may not eliminate an existing problem, but will greatly assist in keeping the numbers down to a manageable level.
|
IF ANYONE NEEDS ANYMORE INFO ON FLEAS, PLEASE WRITE IN CONFIDENCE TO:
We'll try to find the answer!
|
Biological Evolution - is the believed process by which the first and most primitive of living organisms, like the one-celled creature the amoeba, developed into the plants and animal life known today. Until the 18th century it was generally believed that each species of life was separately created by God. The most fitting theory was put forward by Charles Darwin and A. R. Wallace in 1858: they proposed that new species arose by a process of natural selection. Later work and advance technology has supported Darwin’s theory, which is now generally accepted. |
|
Evolution - Survival of the fittest - If we believe in evolution, the propensity to survive, we must recognize that most creatures are the progeny of their ancestors. When talking about insects, fossils tell us that they were living over 100 million years ago. We must recognize that climate and global environment has changed over the millennia, and such variations would have changed the living conditions of many organisms. Some so bad that many either died out, or changed themselves, to accommodate the new conditions. This being that those among them with a greater propensity to survive any change, lived on. Using this pattern of events, when we talk of an intelligence in something like the flea, we must realize it is not like any intelligence we might have. The flea does what it does due to a billion repetitions of certain characteristics, which has allowed it to survive. |
|
HOLD MOUSE OVER IMAGE * LEARN MORE, BE MORE |
|
Last-Modified: 09/25/05 11:10 LINKS |
|
Terms | Earthlights | Terraforming | LINKS | Pop | Dogs | Contact_Us |
LINKS
HOLD MOUSE OVER IMAGE