…Although louse flies is a type of fly, it is very similar in appearance to louse. A louse fly has a flattened body instead of a spherical or egg-shaped body that most flies have. Its skin is also leathery instead of the familiar, metallic-shiny surface of many flies. The louse fly has strong legs. Unfortunately, there are several species of louse flies, such as the lizard fly, also called Crataerina pallida, and the swallow bite, also called Crata…
Search Results for: Feather louse
Ectoparasites
…the body louse, Phcorporis, which lives on the body and clothes. The crab louse, Phthirus pubis. P.3. The crab louse sucks blood and lives in the body hair of humans, especially on the abdomen. The crab louse is transmitted by intimate contact. The bed bug, Cimex lectularius. P.41. The bed bug feed on human blood, which they suck from us at night. They are found in heated homes and are transmitted when infested house hold effect are moved. The hu…
Crab louse
…s crab louse found, which also goes by the Latin name Phthirus pubis. Crab louse has a mixed reputation as not only a pests but also a parasites that feed on human blood. Appearance The small louse is perfectly adapted to its peculiar way of life and therefore has no wings. Its head is designed for its blood-sucking purpose, which is why the mouthparts are built to stick and suck with, while the eyes are quite reduced. Also, the body bears the imp…
The crab louse
…Crab louse Crab louse The crab louse is called Phthirus pubis or pubic lice. It’s easy to tell the difference between human lice and crab lice. The human louse has a large abdomen. The abdomen of the crab louse is wider than it is long and has small protuberances on each side. Crab louse nits are smaller than those of the head louse and the body louse, and the crab louse uses more glue to stick the nit to the hair….
Sucking lice
…e have been regarded as something that one lived with, and the job of delousing one another was an important part of family life. Two types of louse are adapted for living on man: the human louse and the crab louse. The human louse occurs in two forms, the body louse and the head louse, and these are very similar to one another. In fact they can only be distinguished with certainty by their habits….
The body louse
The body louse, Pediculus humanus corporis, is similar to the head louse. The differences that separate it from the head louse are small and uncertain. Even specialists may find it difficult to distinguish between the two subspecies. Body lice lay their nits in the clothes etc. we wear on the body. One can assume that lice on clothes are body lice. Body lice can be frequent in soldiers, refugees, who aren’t well-groomed etc. In Denmark today, bod…
Body louse
…do not thrive among people who maintain a good standard of hygiene with frequent changing and washing of clothes. Body lice are important as vectors of typhus fever, trench fever and louse-borne relapsing fever. In populations where these diseases do not occur, the only effect of louse bites is the resultant annoying itch….
Crab louse bites
…he time. That is probably why they do not tolerate being away from their host for long periods of time. A single day without access to blood will cause them to die of hunger. Crab louse bites and their symptoms are similar to those from the head louse. However, crab louse bites are characterized by blue-colored spots, which may appear where the lice bite. The spots, which are deep in the skin, appear a few hours after the bites. They may be 0.2 to…
Lice in dogs
…tail. This canine louse is not very common in Denmark. If the dog has this louse, it often also has the biting louse at the same time. The other species of canine lice, the biting lice, Trichodectes canis, are more common than the sucking lice. It is not a bloodsucker; however, it still drinks blood. It bites a hole on the skin and drinks blood from the wound. The dog’s biting lice are up to 1.7 mm long and have a large, rounded head. They live on…
Crab louse
…been found among the very fine hair on the heads of infants. A female crab louse lays about 25 eggs, each firmly fixed to its own hair. The development from egg to adult takes about three weeks. Crab lice are sedentary. Having found a suitable place a louse will seize the host’s hair, bore into the skin with its mouth parts and suck blood several times in succession, with only short intervals. It will die within about a day if removed from its hos…
Louse flies
…Fig. 43. The swift louse fly (left) and the Stenepteryx hirundinis (right). (Hutson). Louse flies The louse flies, of the family Hippoboscidae. They are obligate parasites of mammals and birds. They are flattened with leathery skin, and their legs have powerful claws that they use to hang onto their hosts. The species, which are most frequently found indoors, include the swift louse fly, Craetaerina pallida and the Stenepteryx hirundinis….
Head louse
Head louse (Latin: Pediculus humanus var. capitis) The head louse attaches its eggs firmly to hairs close to the scalp. The eggs are extremely tenacious and can only be removed from the hair by using a fine comb and much effort. Even frequent washing of the hair may not be sufficient to remove them. The empty eggshells remain on the hair and move outwards as it grows. Under a lens they can be distinguished from unhatched eggs, because they are m…
Index
…destructor Lepidoptera Light traps Linognathus setosus Listrophorus gibbus Louse Louse flies Lyctocoris campestris Lymantria dispar Maladan Malaria Medicinal leech Methopren Midges Mites Monomorium pharaonis Mosquito Mygalomorphae Mygansalve Naucoris cimicoides Neguvon veto Neotrombicula autumnalis Nepa cinerea Nests Norwegian scabies Notoedres cati Ocodectes cynotis Oeciacus hirundinis Otodectes cynotis Oxyuris vermicularis Paravespula Paravespul…
The head louse
Fig 4. Head lice, male and female. (Grundy) Head louse The head louse, Pediculus humanus capitis, is a small, flat and elongated insect. The adult females measure 2.4 to 3.3 mm in length. Lice in other stages of their life and the males are smaller. In the front, there is a small head with a mouth and two antennae and two simple eyes. The chest has six legs. Each leg ends in a claw that can grasp a hair. The hind parts are multiarticulate and rel…
Dog louse
Dog Louse ( Latin: Linognathus setosus ) Although very similar to the human louse, there is very little chance of a human becoming infested with dog lice. Like their relatives these parasites are very much tied to their own specific host. They mostly live on the back, flanks and at the root of the tail of dogs. In addition to the irritation that they cause these lice are also intermediate hosts for one of the dog’s intestinal worms. The infection…
Lice
…pecies of louse that infects humans. It comprises two subspecies: the head louse and the body louse. They only live on humans. Our lice lead a very discreet life. They are part of our special parasite fauna and for humans – as a species – it is natural to have lice. When most of us are free of lice from time to time, it is because we have chosen to fight them. Without active control we would all have lice. The crab louse is another species of lous…
Life cycle
…erwintering pupae, while the birds have migrated south during the winter. From the nests, the lice flies can sometimes stray into homes. This probably only happens if the birds, for some reason, leave the nest during the breeding season, or if the bird do not return to a nest in which louse flies are overwintering. Louse fly innovations happen in the months from April to August, mostly in June. Furthermore, you can get in contact with louse flies,…
Lice bites
…nd sharp chitin teeth in the front of the tube. They act as barbs when the louse head is anchored to the skin. Then three long, elastic rods are shot through the tube and into the skin. The rods form a triangular channel leading saliva to the location, the rods hit. The louse sucks the blood using a muscle pump in the throat. Lice suck blood at least twice a day and preferably five times. At room temperature, the lice can only survive for two days…
Occurrence
…/ cm 2). The pubic hair (about 34 hairs / cm 2) is better suited for crab louse. The crab louse primarily live in pubic hair but is also seen in the hair on the chest and in armpits. On the head, crab louse live in the hair lines (neck and temples), in the scalp hair (thin-haired men), in beards and (especially with children) in eyebrows and eyelashes. There can be many crab lice in the eyelashes – up to 100. When there are many there may be infl…
Index
…rebella Copeognatha Corvus monedula Corynetes coeruleus Cossus cossus Crab louse Cranefly larvae Crataerina pallida Criocephalus rusticus Cryptolestesferrugineus Ctenocephalidesfelis Ctenocephalides canis Cu/ex pipiens Culicidae Culiseta annulata Davies’s Colletes Death-watch beetle Debris bug Delichon urbina Dendrobium pertinax Dendrocopus major Dermanyssus gallinae Dermatophagoides Dermestes frischi! Dermestes haemorrhoidalis Dermestes lardarius…
Lice in cats
…e species of feline lice: Felicola subrostrata, also called feline chewing louse. This louse will get up to 1.3 mm long and is characterized by its triangular head. As a biting lice, it is quite peaceful as it eats skin flakes, etc. This does not usually bother the cat. However, biting lice are active, and if there are many of them it bothers the cat. The feline chewing lice are uncommon in domestic, well-nourished cats and more common in wild cat…
Prevention and control
…Fig. 44. Louse flies are present from May to August, however they are mostly common in June. One should not refrain from having birds on the house out of fear for louse flies. The risk of them getting inside the house is, after all, very little. If they show up, they are easily eradicated with one of the usual pesticide sprays with pyrethrin. Treating nest environments with an insect powder will usually stop a louse fly infection….
Frequency
…0 Honey bee 0 1 0 Bumblebee 0 1 0 Horse-flies 1 0 Hornets 0 1 0 0 0 Cat fleas 0 1 0 0 Thrips 0 1 0 0 0 The crab louse 0 0 0 0 0 1 Bird mites 0 0 0 1 0 Hedgehog fleas 0 0 0 1 0 0 Head louse (Lat. Pediculus humanus capitis) 0 1 0 0 Bedbugs 0 0 0 1 0 0 Itch mites…
Biting lice
…a couple of weeks. They are so dependent upon the warm, damp climate under feathers or among fur that they only survive for a few hours after the host animal dies. Dogs and cats each have their own species of biting louse known respectively as Trichodectes canis and Felico/a subrostratus. Apparently these cause irritation, for animals carrying them scratch continuously. Cage birds may also become infested with feather lice, and these cause a lower…
Bed bugs
…as no wings, which makes the abdomen clearly visible. The bed bug is not a louse, but a kind of tick. Most ticks feed on plant sap, but the bed bug uses its sharp proboscis to suck blood. About 75 different species of bed bugs are known, and it has been proven that they are all, in addition to the human, live on some birds and bats. That may seem a strange choice, but there is an explanation. Bed bugs do not live like the real louse on the body of…
Head lice
…ittle insect with an oblong oval shape. They are quite small, and an adult louse grows only between two and three millimeters long. As it is often the case in the insect world, the male is slightly smaller than the female. A head louse is equipped with three sets of legs in front of the body, and each leg ends in a kind of claw. This claw is designed to be ideal for gripping a strand of hair. The head lice have no wings and can therefore neither f…
Case bearing clothes moth
…spin a small tubular case which becomes covered with fragments of wool or feather. They creep around in this case and withdraw into it when threatened. Clothes moth larvae, on the other hand, attach their tube firmly to the substrate. The case bearing clothes moth larva pupates inside its case. In other respects its habits and life history are similar to those of the common clothes moth, but it requires a higher humidity, and it has become less c…
Furniture mite
…long hair of the furniture mite, which is located on its back and which is feather shaped. Biology and behavior The furniture mites are fungal eaters and prefer to live in places with high humidity. This is where they can make a living by grazing the fungi that develop in such places. If the conditions are to be ideal for the house mite, the humidity must be around 80-90% in combination with a sufficiently high temperature of around 23-25 ° C. I…
Museum beetles
…he “circle of life” again, but it is this exact ability to digest wool and feathers that brings them into conflict with us. Favourable conditions are found in old birds’ nests where there are feather debris, and maybe a dead baby bird. A dry carcass, perhaps a dead mouse, in an attic is also suitable and they also lay eggs directly on woolen textiles The larvae grow up to 5 mm. They look like tiny armadillos with a coat of brown, spiky hair. The l…
Clothes moths
…redominantly of horn substance (keratin) as they can find in wool, fur and feathers. It is one of the most non-digestible proteins, but these moths have special conditions in their guts so that they can digest these proteins. However, there are missing some necessary vitamins in it completely clean horn substance, so the larvae must have something else to eat in order to thrive, perhaps in the form of dirt of one kind or another in the clothes. Cl…