Preventively, one can lay out many small stores of poison grain along building foundations where the mice look for ways in. The stores must be shielded from bad weather and against children, birds and other animals eating them. This can be done by putting poison in special dispensers, in drainpipes or simply under boards, placed […]
Mouse prevention
Of course it would be best if the mice could not get in to houses and other buildings, but even the most solid buildings have weak points which can be quite difficult to detect and better. Basement windows must be closed, all windows must be whole and doors must fit tightly. Holes and cracks which […]
The yellow-necked mouse
Latin: Apodemus flavicollis. The yellow-necked mouse is dark brown on the top side, while the underside is pure white, except for a brown band (collar) in front of the front legs. It is larger than the house mouse, head and body measuring 10-12 cm, and the tail is slightly longer than the rest of the […]
The house mouse
Lat: Mus musculus. A grey mouse with a slightly lighter underside. Together head and body measure 8 – 9 cm, while the tail is a little shorter. It originates from southwest Asia, but is now widely spread around the world. It adapts easily and is found wherever people live. In the summer many house mice […]
Rodents
Rodents’ most characteristic feature is their set of teeth. The large, curved set of teeth, two in the upper mouth and two in the lower mouth, separated from the rest of the teeth by a large, toothless space. Rodents primarily gnaw with the lower front teeth in the lower part of the mouth while the […]
Prevention and control of birds
Poison It is illegal to use poisoned baits or other types of poison against birds. Attempts to sterilise pigeons with baits containing chemo-sterilants has not worked in practice and experiments with sleeping pills so that experts could collect the stunned birds have not been very promising. Shooting It is legal to shoot some birds on […]
The house sparrow
Latin: Passer domestica. Both in terms of food and choice of birthplace the house sparrow is dependent on people. Nests are often placed close together in colonies. When a sparrow has bred somewhere, it will usually stay there for life, which can be 3-4 years. The house sparrows which are sedentary birds, is at their […]
The domestic pigeon
Latin: Columba livia domestica. The domestic pigeons roosting on and in buildings are astray descendants of the ordinary pigeons. Like their ancestors, the European rock doves, they prefer to build nests up high on ledges. The pigeons can get by with very little nesting material. A pigeon’s nest is just a cake of excrement, held […]
Birds
Pigeons and sparrows are examples of animals that people often welcome, but in certain contexts they should be seen as pests. These two kinds of birds are not particularly afraid of people and they live mostly of grains, cereals and seeds. Once they have found a good spot with food in productions or warehouses, they […]
Wasps
Latin: Vespoides spp. The wasp is a wide category that covers digger wasps, parasitic wasps, hornets etc. Wasps are well known in their black and yellow striped abdomens and no less for their ability to sting. In Northern Europe there are about a dozen species of social wasps, which are very similar to each other […]
The pharaoh ant
Latin: Monomorium pharaonis. A tiny, bright yellow ant. The workers are only approximately 2 mm long. It is originally a tropical species, which has spread across the world through imports. In Northern Europe it has been known since the 1920s. In Northern Europe, the pharaoh ant depends on heated buildings. The pharaoh ant is most […]
The common black ant
Latin: Lasius niger. This is the species most frequently encountered indoors. An ant colony usually consists of a dozen thousand ants, and the colony is placed in the ground. In buildings, the ants establish colonies in cavity walls and under floors. Outside, they have a certain fondness for building colonies under tiles. They penetrate anywhere […]
Hymenoptera
The hymenoptera include ants, wasps and bees. They, like beetles, moths and flies, have complete metamorphosis. The larvae are limbless, blind and pale maggots. There are two pairs of transparent flying wings with relatively few but clear ribs. The rear wings are always smaller than the front wings. Mouth parts are arranged to either suck or […]
Fruit flies
Latin: Drosophila spp. Also called vinegar flies. Fruit flies are quite rich on species. We know more than 6000 different species, but only a few of them are found indoors. Adult fruit flies are 3-4 mm long, yellowish brown. They typically fly quietly. The larvae are yellowish-white maggots. Pupae almost look like small brown seeds. […]
The cheese skipper
Latin: Piophila casei. Also called the meat skipper. The small dark cheese skippers lay their eggs in dairy products, meat products and in excrements. Each female lays up to 500 eggs, which are placed in crevices directly in food or in the vicinity of food. At 27-32 ° C the eggs hatch in one day […]
The grey flesh fly
Latin: Sarcophaga carnaria. 11-13 mm long, gray striped chest and typically chequered abdomen. Just as the blowfly, the female grey flesh fly also seeks out dead animals to lays her eggs in. Grey flesh fly eggs hatch as soon as they are placed so in principle they give birth to live offspring.
Blowflies
The many species of blowflies normally live in the wild. Inside you can meet the heavy, blue-black blowfly, for example the species Calliphora erythrocephala and the slightly smaller, green-metallic shiny gold flies of the genus Lucilia. Blowflies lay their eggs, the so-called flyblow, in dead animals and other decaying organic materials (excrement, cheese, etc.). The […]
The lesser house fly
Latin: Fannia canicularis. The lesser house fly is the typical house fly. It is 5 -7 mm. The males of this species can be seen in a tireless bouncing dance around lamps or other things hanging down from the ceiling. The lesser house fly lays its eggs one by one in very moist, decaying substances, […]
The common house fly
Latin: Musca domestica. Originates from warm climates, but is now widely spread everywhere. An adult house fly is 8-9 mm long, with a wingspan of 13 – 14 mm. Females seek fresh manure or rotting or fermenting plant material and lay eggs there. The eggs are laid in clumps with approximately 100 eggs and a […]
Flies
( Latin: Order Diptera) Flies belong to the two-winged superfamily that with more than 80,000 different species includes all flies and mosquitoes. The two-winged family have one pair of wings. Almost all other insects have two pairs. The small, club-shaped bodies behind the wings of flies and mosquitoes are during escape very active. The wings […]
Plaster beetles
Latin: Clavicornia spp. The name plaster beetle is an umbrella term for a part of the beetles of the genera Cryptophagus, Lathridius, Enicmus, Cartodere and Mycetaea. They are often considered as a group because they have a uniform biology, they are found in the same places and they all belong to the superfamily Clavicornia. Their […]
The smooth spider beetle
Latin: Gibbium psylloides The smooth spider beetle lacks hair and is rather reminiscent of a small glass drop that moves slowly around on its long legs. It occurs as a grain pest in warm countries such as India. Like the other spider beetles it can live of a wide range of dry animal and vegetable […]
The white-marked spider beetle
Latin: ptinus fur. The white-marked spider beetle appears in the same type of products as the Australian spider beetle, that is, in dry organic substances. It is not as common as the Australian spider beetle in storages, but it is common in nature. Males are elongated, with almost parallel sides, while the female has round […]
The Australian spider beetle
Latin: Ptinus tectus. Originates from the temperate zone of the southern hemisphere, namely Tasmania and New Zealand. It came to Europe around the year 1900, and found itself so comfortable on the northern hemisphere, that it drove away the more common, white-marked spider beetle. It is now widespread all over the world. The adult beetle […]
Spider beetles
Spider beetles are closely related to furniture beetles. They look somewhat like spiders. The adults move quite slowly around on their long legs. There is a clear narrowing between the chest and the arched abdomen. Spider beetles often play dead when disturbed. Most of the species rarely use their wings and usually the beetles are […]
The red-breasted copra beetle
Latin: Necrobia ruficollis. The red-breasted copra beetle is metallic blue with a red chest and red on the front of the wing covers. It is widespread across the world. In this country, it is in particular related to companies working with meat and bone meal.
The red-legged ham beetle
Latin: Necrobia rufipes. Also called copra beetle. The red-legged ham beetle is 4-5 mm long, dark metallic blue with reddish legs. The larvae are up to 10 mm long. They are light grey, but with clear violet drawings on the upper side. In the rear, they have two dark spots. This species is cosmopolitan, probably […]
Chequered beetles
Latin: Cleridae. Most chequered beetles are predators that feed on other insects. A few species, however, eat dry parts of carrion, and they can do damage to dried meats, sausages and cheeses.
The reesa vespulae
Latin: Reesa vespulae. This species originates from North America. During the 1960s it began to appear in Europe and it has become common in the Nordic countries. The beetles are between 2 and 5 mm long. The front third of the beetle is black, while the rest is brown, with a light drawing on the […]
The khapra beetle
Lat: Trogoderma granarium. The khapra beetle is a small, oval, dark brown beetle. It is between 1.5 and 3 mm. It originates from India. The word khapra is Indian and means brick. The beetle has been named because it often accumulates in large numbers in crevices in walls of warehouses. It has spread to almost […]