Search Results for: Booklouse with wings

…sticus exit-holes in timber Criocephalus rusticus The exit-holes are oval, with smooth edges, and with a maximum diameter of 0.5-1. 3 cm. This beetle only attacks conifers, especially pine, damaged by damp. The larval tunnels which occur in both sapwood and heartwood are oval and strikingly broad. The wood dust is extremely firmly packed in the tunnel and difficult to scrape out (see p. 139). Pine sawyer exit-holes in timber Pine sawyer The round…

…e hair if it starts to filter. Comb the whole hair methodically and evenly with the comb. Be sure to work your way systematically through the hair with the comb. Start at the front and then work your way in one direction, bite by bite, until you are around the entire head. Feel free to take the trip a few times until you no longer catch more lice with the comb. Start each stroke from the inside of the scalp. Then pull the comb through the hair all…

…g in a bed that has been used by a person with scabies, or through contact with a parent with scabies. Furthermore, it is also not unheard of for itch mites to be transmitted between pets and humans who have close contact. Itch mites are highly contagious. And if people, patients or nursing staff at a hospital or other institution are affected by itch mites, an explosive spread of the mites can occur between the different groups. This type of aggr…

…designed to be ideal for gripping a strand of hair. The head lice have no wings and can therefore neither fly nor jump. Their head is equipped with a pair of antennae and small eyes. The mouth parts of the lice are built to bite and suck blood. Their appetite for blood has a visible effect on the color of the head lice, as the lice can appear much darker right after it has ingested blood, where the usual color may otherwise be almost transparent…

…ny as 100 lice in the eyelashes. A crab louse feeds on blood. Once at ease with its host, it grabs the strands of hair with its claw scissors. It then drills its mouthparts into the skin of the host. The flat lice can then sit and suck blood for several hours, which are only interrupted by a few short breaks. If the lice are removed from its host, it dies within a day when it can no longer suck blood. The crab louse female mates only once in her l…

…as two sets of wings. Only the rear set is used for flying. The top set of wings are the so-called cover wings. They have a special function. When the males rub the cover wings against each other, it produces a special song. A song that, among other things, should have an appealing effect on the house cricket females. The females have a long laying tube. Biology and behavior The house crickets are dependent on warm temperatures. They can easily st…

…are several different species of mosquitoes. Midges, like mosquitoes, have wings, and these wings lies flat over their backs when the midges rest. Some species of midges have beautiful spots on their wings, although these spots will be difficult for humans to see. One will typically see female midges as only the females are bloodsuckers however the females and males looks like each other. Biology and behavior Midges likes humid and warm weather, s…

…color, while their hind bodies are swollen. The brown dog tick is equipped with two pairs of mouthparts with effective hooks, which help the tick to adhere to the host animal’s skin. The upper jaws of the tick are shaped like sharp stilettos, while the lower jaws are shaped like a tube, through which the tick sucks up blood. Biology and behavior It is often the dog that is the recipient of the brown dog tick bite. Once the female tick has blood of…

…uch as the meal mite or the stock mite. However, there are different mites with different characteristics. Appearance The furniture mite is not easy to spot with the naked eye. Often the mites must appear in large numbers before you notice them. The largest furniture mite are only 0.7 millimeters long and have a whitish color. The furniture mite shares many similarities with the mites that go into food. It is fair to mention that it takes a magnif…

…his breathing tube protrudes. Although the butterfly mosquito is small and with relatively large wings, it is poor at flying. When it moves, this happens in a bouncing and soft manner- or simply just by wandering around. At rest, the wings are held over the body like a roof. Biology and behavior Butterfly mosquitoes lay up to 100 eggs. The small eggs are oval, white, and long, but measures only 0.2 mm. The indoor species of the butterfly mosquitoe…

…to sleepy neighbors, just as birds can generally clog downpipes and drains with their nesting materials. In addition, pigeons can come with unintended “side gains”, as they can carry around annoying small crawls such as the pigeon tick. It is also this boring tendency that allows pigeons to act as spreaders of disease. In Denmark, however, only a few cases are known where pigeons have spread dangerous diseases. Prevention and pest control The best…

…other characteristic for this species of ticks, is that it is not equipped with wings. The adult bed bug can become 4-5 mm long, and is recognizable by an oval flattened body, which depends on if it has been feeding. After feeding the hind body will swell. When feeding it will get a reddish- brown color. Biology and behavior There are various stories about the history of this pest, but many believe that its origin can be dated back to the cave exi…

…yellow shadow ant does normally not move inside the home but stays hidden under the woodwork. However, should a stray winged yellow ant appear inside the house, it can be easily removed with the vacuum cleaner or controlled with insect spray for flying insects. If they occur in large numbers, you should thoroughly inspect the house….

…they are not flying. The flour moth can be recognized by its colors on the wings. The forewings have a lead gray color with a pattern. The pattern is zigzag with transverse lines and dots. The hind wings are a lighter shade of gray with fringes on the trailing edge. A larva from a flour moth is typically between 15 and 19 mm, so relatively short compared to the adult moth. An exciting thing about the larvae is that they can have different colors….

…they are not flying. The flour moth can be recognized by its colors on the wings. The forewings have a lead gray color with a pattern. The pattern is zigzag with transverse lines and dots. The hind wings are a lighter shade of gray with fringes on the trailing edge. A larva from a flour moth is typically between 15 and 19 mm, so relatively short compared to the adult moth. An interesting thing about the larvae is that they can have different color…

…and other insects, but there are lotions that can soothe the pain. Lotion with lidocaine helps with both pain and swelling after a bite, and this can typically be bought at the pharmacy. Local anesthetic gels can also help. After one bite from a horsefly, you typically do not want to try that again, but you can take some precautions. The easiest way to avoid bites from horseflies is simply to stay away from their preferred environment, i.e., swam…

…the yellow-brown body with two dark stripes on the back shield. The cover wings cover the flying wings, but it seldomly happens that the German Cockroach uses their wings. Biology and behavior A German cockroach typically belongs in a warmer climate than in Denmark, and therefore they are also dependent on being able to find warm places to live. Cockroaches eat everything and they are especially active during the night. In the light hours, they h…