Search Results for: Lacewing/feed/Common house mite

The Silverfish

…cm long. Silverfish hide in cracks and crevices during daylight. They are common in basements and attics, where they can be found in birds’ nests and old, abandoned wasps’ nests. Silverfish is practically omnivorous, with a preference for starchy foods. Their protein demands are covered largely by eating dead insects. They are somewhat able to digest cellulose, but they also graze on the mould that grows on damp paper. Each female lays up to 100…

Criocephalus rusticus

…sticus This is another pest of conifers, particularly pine, and it is more common in the north of England and in Scotland than further south. It requires the timber to be damp if it is to thrive. The larvae normally live in pine stumps, but may also attack dead or felled trees, or damp planking at the base of a stack. When the beetles are seen indoors they may have come from pine logs or from timber damaged by damp. In many cases worked timber may…

Silverfish

…oday have evolved from silverfish-like insects. In hot climates the silver fish lives in nature, but in this country it is more common indoors than outdoors….

Bostrychid beetles

…Exotic wooden sculpture, as well as baskets and other woven objects, may also be infected, and in many cases the species concerned is Bostrychoplites cornutus. Some species, such as the small Dinoderus minutus, are common in bamboo. There is, of course, no risk that thebeetles might move from one object to another, but they may completely destroy the timber they are in. An attack can be stopped by heat or by freezing….

Process

…this process. Usually, the itching automatically leads to controlling the mites much earlier. Norwegian scabies In the type of scabies called Norwegian scabies, the two above-mentioned factors apparently do not work as intended. The itch mites multiply aggressively and the patient does not feel the irritation of the skin which causes other infected people to scratch and seek medical aid at an early stage. Norwegian scabies requires the help of a…

Life cycle

…rth or into the water where they live as voracious predators of the prey they can overpower. The adult horse-flies are active and fast fliers, and they can fly far away from their breeding site. They are common in the high summer, and statistics from the Danish National Pest Control Laboratory show that 70% of all horse-fly encounters take place in July, the other in June and August….

American Dermestidae

…istled brush. Biology and behavior In the nature, the American dermestidae feeds primarily on dead insects. But the larvae are by no means picky. In fact, they are omnivorous and like to clean up after other animals if they have left a devoured prey in the wild. Studies of the American dermestidae have shown that the species consists only of females. The reproduction therefore takes place without the help of males, as the female is laying unfertil…

Indian meal moth

…1-2 days which kills both the larvae as well as the moths. Pest control in households Moths in private households will typically occur from a bag of nuts, almonds, or raisins. However, they can also occur in flour, grains, seeds, muesli, or similar products. Discard the moths infested food to get rid of eggs. You can, if the food can tolerate the treatment, heat to a minimum of 55 degrees or place at -18 degrees for 1-2 days, but only for slightly…

D: The sugary excrement niche

…Adult common black ants and adult wasps can feel attracted to sugared goods, pastry, cakes, ice cream, juice etc. To ants sweet foods are simply a substitute for aphid excrement. When wasps bring meat to their larvae in the nest, the larvae secrete drops of sweet liquid to them. When the nests disintegrates in the late summer wasps are seek food in luscious fruits and – as everyone knows – in sweets, which are not intended for them….

Fan-bearing wood-borer

…Fan-bearing wood-borer ( Latin: Ptilinus pectinicornis ) This species, which is not as common as the other wood-boring beetles, mainly infests deciduous trees, e.g. beech, birch, oak. It is easily recognizable by the large, comb-like antennae. Unlike the other wood-borers here the adult beetle also gnaws timber. The wood dust is very fine and similar to that produced by the powder post beetles….

Devil’s coach-horse

…aphylinus olens) Devil’s coach horse beetle This large predatory beetle is common in woodland, but is also found in gardens and sometimes enters houses when hunting for prey, usually small insects, slugs and worms. It is easily recognizable by its size (up to 3 cm long) and by its dark colour. As is typical of the staphylinid beetles the elytra are very short, and in fact they only cover the foremost part of the segmented abdomen, while the remain…

The brown-banded cockroach

…t began to appear in Northern Europe in the 1970s and has gradually become common. It requires heat to thrive, any temperature between 25 and 30 ° C will do. It can survive in dry places. The brown-banded cockroach is shunning the light and has a certain fondness of high locations in a room. That is behind racks, shelves, etc. It is not uncommon behind TV sets, radios and other devices that give off heat and in some countries this beetle is actual…

Bees, wasps and ants

…lands, which are related to the female reproductive organs, produce venom. Common black ant The larvae are usually pale, fat and legless and are fed by the adults. Some hymenopteran have highly organized societies with division of labor between different types of individuals. One or more queens take care of the eggs. Practical labor is carried out by workers, which are actually females whose ovaries have not developed. The males’ only job is to ma…

The european adder

…y are only seen by people who experience the nature during the summer. The common European adder, or European viper, Vipera berus, is the only venomous snake in Denmark. It has a zigzag stripe down the back. The stripe may be missing from the rarer, plain black or red varieties. Grass snakes, which are non-toxic, have two yellow neck spots. These spots are always missing in vipers. The viper only bites at people if it is impossible to escape – if…

Brown-banded cockroach

…w species – the German cockroach, as the German variant is by far the most common cockroach in Denmark. Appearance The brown-banded cockroach measures around 1.0 – 1.4 cm when fully grown. The color of the cockroach is light brown, and down over the back runs two lighter brown bands that have given it its characteristic name. At the front of the head, it has two long feeler horns. The female’s wings do not completely cover the hind body and she is…

Tribolium destructor

…and has been distributed with goods to many parts of the world. It is now common and well established in Europe. The beetle secretes a substance with a smell resembling Lysol, which clings to the goods that it infests. Dark flour beetles in oatmeal During its life the female beetle can lay about 1000 eggs, usually in flour or grain, or in foodstuffs such as bread, biscuits, spaghetti or bird seed. In a normally heated kitchen the development from…

Carabus nemoralis

…r stones, behind loose bark or in similar places. Several species are very common in gardens and fields, and these may find their way into houses when they are running around at night in search of food. As they prefer damp places they are frequently seen in cellars. Some species are partly vegetarian and in rare cases these may attack vegetables and fruit, and very rarely they have been known to gnaw textiles, but by and large carabids can be rega…

The rust-red grain beetle

…occurs in the same manner as the saw-toothed grain beetle, namely as a secondary pest associated with a weevil infestation. It requires a quite high temperature, 23 ° C, to be able to reproduce, and it is not as common as the saw-toothed grain beetle. Its reproduction capability is slightly higher, up to 60 times the original number within one month when the temperature is in the range between 32 and 35 ° C….

The merchant grain beetle

…m it by the size and shape of a small outgrowth behind the eye (p. 50). In households, it is as common as the saw-toothed grain beetle, but it is not seen in grain stocks. The merchant grain beetle prefers nuts without shells or with damaged shells. It can also live on dried fruit, flour and grain. It does not develop as fast as the saw-toothed grain beetle; there is a 20-fold increase in the population in one month at optimal temperatures. The me…

Ciniflo fenestralis

…ralis Commonly known as: Lace webbed spider (Latin: Ciciflo fenestralis) A common spider in cellars and outhouses, on doorframes and walls; the web is sometimes seen stretched across a window pane. In addition to the normal three pairs of spinnerets, this spider (and many others) has an additional spinning organ, known as the cribellum, which has a large number of pores and has been likened to a sieve. The silk which emerges from the cribellum is…

Saw-toothed grain beetle

…in dried fruits and nuts. In recent years it appears to have become quite common in private houses in Europe. In the Saw-toothed grain beetle (left) the piece behind the eye is as far as the eye, in the Merchant grain beetle it is short and pointed. These beetles can live for 3 years, and during the course of her life the female may lay about 400 eggs. They like a high temperature and development is most rapid at 32° C, taking only 25 days from e…

Cadelle beetle

…ever become a problem in private households….

Sheep ked

…which also includes Denmark and neighboring countries, the sheep ked is a commonly known figure that feeds on the blood of its hosts. It is especially in the winter months that sheep ked are active and where most infections occur. This is due to the close contact between the sheep, which means that the wingless fly can easily spread from sheep to sheep. The sheep ked spend their entire lives in the wool of the sheep, which manifests itself in a p…

Firebrat

…Thysanura – Firebrat ( Latin: Thermobia domestica) As its popular and scientific names suggest, this is an insect that likes warmth. In fact it thrives best at a temperature around 37° C, and is therefore frequently found in bakeries and restaurant kitchens. Unlike the common silverfish it can survive under very dry conditions….

Cercariae

…ls, drills into the skin of a bird or – a human – shortly hereafter. The cercariae that end up in human skin, die no later than one day after, but the itching and skin symptoms can last for days and weeks. Cercarial skin symptoms may be quite common. They can be easily confused with other types of rashes and itching from insect and plants and are therefore rarely detected. If you have itching and rashes after bathing or dabbling in a lake or a pon…

Stinging jellyfish

…nflower blue color. It is about the size of a small saucer. The species is common in the southern part of the North Sea, but are rarely seen in coastal waters. The blue jellyfish’s stinging tentacles are shorter than those of the red jellyfish, but burn just as much. Precautions Avoid getting too close to the stinging jellyfish when bathing in the sea. Usually pain and redness disappears after a few hours. In particularly severe cases, you can rem…

Bats

…some cases, bats seek in and spend the night on ceilings and overhangs on houses. You can read more about bats in houses at the Danish Nature Agency. A female usually has one offspring, but in some species, it is not unheard of for her to have two offspring at once. The newborn cubs are completely naked and completely helpless. After 4 to 5 weeks, the young bat begins to train their wings and take their first flights. The cubs are a little insecu…

Bean weevil

…rysomelidae) under the family of seed beetles (Bruchinae). The bean beetle feeds on dried goods, which is why it likes to attack foods such as dried beans, dried peas, lentils, and soybeans. It is also among these foods that the female lays her eggs. The female can lay up to 85 eggs. When the larvae hatch from the eggs, they go out into the world for food. This means that they gnaw their way into beans or peas, for instance. Here they go through t…

Brown-banded cockroach

…ral other species of tropical cockroach which may suddenly appear in a warehouse or greengrocer’s shop, having been introduced with goods from warmer regions, but most of them quickly die in northern Europe. The brown-banded cockroach, which is now common in central Europe, has been recorded as breeding in south Devon and more recently in London. It now has a cosmopolitan distribution but probably originated in Africa. Brown-banded cockroach nymph…

Woodlice

…(Latin: Oniscoidea) Common woodlouse Woodlice are among the animals which often stray indoors. They occasionally try to gnaw timber, but are incapable of doing so with any degree of efficiency unless the wood is completely rotten, and are therefore not important, although unwelcome (see also page 196)….