Search Results for: Lacewing/feed/Common house mite

Cat flea biology

…he larvae then crawl into cracks in the floor or in the carpet, where they feed on organic material as well as bloody excrements from the adult fleas. During this period, which lasts a few weeks, they cannot tolerate low humidity. A relative humidity of less than 45% will kill them. This is one of the reasons why flea problems are not as common during the heating season. At the end of the last larval stage, the larva spins a cocoon around itself….

The brown rat

…drove away the black rat, which until then was the most common species in houses. An adult brown rat is about 45 cm long. Of these, 20 cm is tail. The weight is usually 200 – 250 g. The colour varies somewhat, but the upper surface is usually dark brown or noble. The underside varies from whitish to grey. The brown rats thrive on the most diverse locations, but are primarily found in stables, warehouses and homes. In towns and cities, they often…

The Brown wood buck

…in: Criocephalus rusticus The brown wood buck (Criocephalus rusticus) is a common inhabitant of the Danish pine forests throughout the country. The brown wood buck belongs to the genus with the Latin family name Cerambycidae. Appearance The adult brown wood buck grows between 15 and 25 millimeters long and has a regular, almost matte brown color. The most striking feature of the brown wooden buck is its large feeler horns, which, is a bit reminisc…

Pests in real estate

…er on non-commercial animal husbandry, unhygienic conditions, etc.” it states that the municipality may order necessary measures for pest extermination, so that inconveniences and unhygienic conditions are limited or avoided. In the same chapter, § 14 is added that no resident may lay out feed or create conditions for birds and other stray animals if it causes inconvenience to the surroundings….

Powder post beetles

…f drying the timber by heat soon after the tree has been felled. This method kills the cells but preserves the starch in them. Timber treated in this way will therefore continue to be very attractive to many pests. The species Lyctus linearis is fairly common in Britain and Europe, but it is the related Lyctus brunneus, rare as a native species, which is most often seen in houses. This beetle attacks parquet floors and oak panelling, which it may…

Harvestmen

…long legs. Two species, Opilio parietinus and Phalangium opilio, are very common in and around buildings, where they are active at night, searching for food. Harvestmen live on many different kinds of food. They have been seen, for instance, to gnaw toadstools and pieces of cake, but they feed mainly on carrion and on any invertebrates they are able to overpower. The method of hunting prey is rather like a game of blind man’s buff. They move arou…

Booklice

…he product. The indoor booklice prefer damp, dark places and they are most common in basements, attics and damp walls. This is among other factors due to the fact that they do not tolerate dehydration and they feed on the moulds that thrive in moist conditions on walls. The same fungi that cannot be seen with the naked eye, is also available, along with booklice, in damp furniture, on damp paper and especially in damp hay and straw. In new buildin…

The saw-toothed grain beetle

…ods of cereal origin, flour and grain in particular, it is one of our most common pests. Eggs are laid loosely in the grain or food. Each female lays 6 to 10 eggs per day up to 375 in total. The white, flat and very active larvae feed on the same foods as adults and they are hardly ever seen. Saw-toothed grain beetles like heat and cannot reproduce when the temperature falls below 18 ° C. It is rarely hot in cereal storages and the saw-toothed gra…

The warehouse moth

…milar to the Mediterranean flour moth. The warehouse moth is common in warehouses and households throughout the temperate part of the globe. It infests, among other foods, grain, seed, feed, dried fruit, almonds, nuts, cocoa beans and chocolate products. Warehouse moths can also do damage to tobacco stocks. Females lay about 300 eggs, the majority during the first four days of their lives as adult moths. The adult moths do not live very long. 2-3…

Silverfish

…Silverfish (Latin: Lepisma saccharina) The common silverfish frequently occurs in kitchens and comes out at night to feed on crumbs and odd scraps of food. It is capable of digesting cellulose and so can derive nutriment from paper. It is described in greater detail on p. 106 together with other pests that attack paper….

Rape blossom beetle

…ligethes. The rape blossom beetle with the Latin name Meligethes aeneus is common in Denmark, where it is among the pests that constitute the most significant damage in the rapeseed fields – especially in spring rapeseed. Appearance The rape blossom beetle is a small gloss beetle of just two millimeters. Its color is dark with a metallic shine that is usually greenish. Biology and behavior When the temperatures are warm, you can experience the rap…

Fungus in timber

…n attacked by a fungus is usually dark brown to black when wet. One of the common species is the yellow Coniophora cerebella. Dry Rot is caused by the fungus Merulius lacrymans which can thrive in timber with a water content as low as 20 per cent, and once an attack has started the fungus can spread to dry timber, because it brings with it the water derived from the break- down of the original damp timber. Dry rot can spread several metres through…

How do you get bed bugs?

…e they were introduced. The main reasons can be summarized as follows: The house has been visited by a person who brought them in his or her luggage. You have stayed somewhere, a hotel or hostel perhaps, where bed bugs have been, and they have then sought refuge in your luggage. They can climb in from a neighbor’s apartment. Through cracks in the panels or pipe penetration, for example. A piece of furniture with bed bugs has been introduced, maybe…

Grain weevil

…it eats and grows the grain becomes a hollow husk by the time the larva is fully grown. It then pupates inside the husk and about a week later it emerges as a fully developed beetle (see page 93). At 26° C the whole development takes a month. When found in a house in the country this beetle has usually come from the remains of a store of grain, but if this is not the case it will nearly always have originated in a packet of bird seed. Because of i…

Destructive flour beetle

…out food in up to two months. Therefore, one cannot starve them out of the house. Try as far as possible to prevent them by keeping an eye on your foods stuff and by using airtight lids. In this way, the Destructive flour beetle, cannot destroy other foodstuff even if they have mange to get into your house. If you suspect destructive flour beetle in your foodstuff, you can freeze them. At zero degrees, the Destructive flour beetle, their larvae, a…

Houses as animals habitats

…uirements. It would be wrong to suppose that the comfortable warmth of our houses throughout the year would be ideal for many invertebrates, for this is far from being the case. The climate in our houses is very different from the summer climate outdoors in temperate latitudes. Room temperatures may be about the same as on a warm summer’s day, but the air is sometimes bone-dry, giving a desert-like climate. This is something that we our- selves ma…

Mouse eradication

…ngth of drainpipe, or under a plank laid obliquely against the base of the house. When mice are already in the house the first thing to do is to try and eradicate them with the help of traps. If poison is used indoors it often happens that dead mice lying in inaccessible places will produce a most unpleasant smell, and they will also provide breeding places for blowflies, larder beetles and other insects. Spring traps can be baited with a suitable…

Ants

…kill harmful insects, but a large anthill in the immediate vicinity of the house can be troublesome. If you want to save the wood ant colony, you can scoop the anthill into a tarpaulin and place it in a suitable location in the woods. Alternatively, you can coat the anthill {1with insect powder. Pharaoh ant, Monomorium pharaonis is a quite small, only 2 mm long, light yellowish ant. It is originally a tropical ant, and in Denmark, it is entirely d…

Black rat

House rat Latin: Rattus rattus This rodent probably originated in south-east Asia, whence it has spread to large areas of the world. It arrived in Europe early in the Middle Ages and became very widespread until it was largely replaced by the brown rat. Black rats were responsible for spreading plague (Black Death) in Europe during the Middle Ages. In most parts of Europe black rats have been completely eliminated, but they continue to arrive in…

Mice

…When mice start to come into a house in autumn they will usually be house mice, wood mice or yellow-necked mice. Other species sometimes come indoors but they usually do not survive very long. For precautions to be taken to prevent such invasions see p. 87…

Controlling pests in kitchens and food factories

…factory the control of pests will usually require expert assistance. In a house, on the other hand, one can sometimes do it oneself and the following lines of action are suggested. How do I prevent and control mice in my house? Empty cupboards Empty the cupboards and perhaps throw away any lining paper. Cleaning rooms Thoroughly clean all cupboards and shelves, preferably with a vacuum cleaner which can remove insects and dirt from cracks and cre…

Geophilus carpophagus

…em out of the ground. They will soon become desiccated in a completely dry house, but in old properties, where they can find suitable damp hiding-places, they may survive for a long time and become a nuisance. They are sometimes seen in houses with thatched roofs, where they may possibly establish themselves in moss cushions on the roof or in the thatch itself. These centipedes cause no damage in the house; they do not gnaw timber or anything else…

Prevention and control

…easonable – to fight colonies that have settled in unacceptable parts of a house and no beekeeper wants to collect it. A thorough, repeated dusting of the hive entrance with an insect powder will quickly kill the colony. It is important to close the hive entrance thoroughly after the eradication, and remove beeswax and honey; otherwise it will tempt other swarms to settle in the same place. Do not close the hive entrance while there are still live…

Geophilus carpophagus

…em out of the ground. They will soon become desiccated in a completely dry house, but in old properties, where they can find suitable damp hiding-places, they may survive for a long time and become a nuisance. They are sometimes seen in houses with thatched roofs, where they may possibly establish themselves in moss cushions on the roof or in the thatch itself. Soil centipede on moist cloth These centipedes cause no damage in the house; they do no…

Colour plates

…nimals that come inside for the winter Autumn house fly Cabbage butterly pupa Cereal leaf beetle Cluster fly Common gnat Grass fly Lacewing Large common mosquito Peacock butterfly Seven-spot ladybird Small tortoiseshell Occasional visitors Blue woodlouse Cis boleti Clover mite Common centipede Common earwig Common woodlouse Cone bug Devil’s coach-horse Dronefly larva Dronefly Dusky cockroach Earthworm European ground beetle Gamaside mite Harv…

Prevention

…ifficult to control. Although the complete exclusion of all animals from a house is virtually impossible, certain simple measures such as fitting netting over doors and windows may be effective in keeping out flies, mosquitoes and wasps. On a more technical level, insects can be excluded by a so-called air curtain. This involves setting up a current of air through which the insects cannot pass, Practically speaking, all insects and mites thrive be…

Prevention and protection

…doors. First, they attract more mosquitoes than they catch, and secondly, they kill many peaceful moths and other insects that fly at night. Nets. Tulle or other suitable fabrics can be used to cover windows and doors. This is a reasonable way to prevent mosquitoes from entering the house or the caravan. If too many mosquitoes enter the house, they can be killed with one of the pyrethrin insect repellents for flying insects. Aedes mosquitoes Black…

Cat flea, dog flea

…g may have a light infection of fleas without the human inhabitants of the house noticing, but if the domestic animals are carrying large numbers of fleas, there is naturally a greater likelihood that people will be infested too. A heavy infestation may occur if the cat or dog is removed from the house, for then the fleas left behind have no choice but to move to people. In such cases one may comfort oneself with the fact that cat and dog fleas ca…

Cone bug

…( Latin: Gastrodes ferrugineus) Cone bug This is an example of an insect which has nothing to do in a house, but which may be brought indoors from time to time. It is a bug that lives in coniferous forests where it can be found under the bark of trees. In winter large numbers of these bugs live in fallen spruce cones, and if a number of these are collected for decoration it is quite easy for the bugs to find their way into the house….

Hercules ant

…a longitudinal section the summer wood remains as a series of lamellae, pierced here and there by openings which connect the different tunnels. There have been cases where whole nests of Hercules ants have been built in with the timber of a new house, and in forest areas they sometimes enter and become established in a house. This is one of the ant species in which a single mated queen can found a completely new colony. The species is sometimes a…

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