…(Latin: Coccinella septempunctata) Seven-spotet ladybird In late summer ladybirds are often seen flying around in large numbers. They emerge from fields where the larvae have been feeding on aphids, and they gather in hedges and along the edges of woodland where they will spend the winter under bark or stones. They may also enter houses, where they are very commonly seen even in the middle of winter….
Search Results for: Seven-spot ladybird
Ladybugs
…the two-spotted ladybug, and Coccinella septumtata, which is known as the seven-spotted ladybug. These are both red, but the two-spotted has only two black spots, while the seven-spotted has seven spots; very logical. In addition, there is the non-native ladybug, which was observed in Denmark in 2006 for the first time. It is called the Harmonia Axyridis, also known as the harlequin ladybug. The harlequin ladybug can vary greatly in appearance. T…
Beetles
…njected to the wound….
The castor bean tick bite
…feel it with their fingers. The sucking larvae are even more difficult to spot. Usually, people are attacked by several ticks simultaneously. They are seen as the dark dots on the skin. The skin around the bite is slightly red. The diagnosis is made by removing the ticks with a needle and examining them under a microscope. It takes one day to several days before the tick starts spitting and sucking, so the sooner you discover the tick and removes…
People’s reaction to the bite
…tter of hours. If the bites are repeated, the reaction is intensified. The spot no longer disappears. A small clear blister appears in the middle and the surrounding skin is hard and swollen. However, the most important symptom is severe itching in the bite wounds. Secondarily, scratching a hole may cause infection of the wound. Bide marks from this species are similar in appearance to the skin reactions you get after contact with, for example, th…
The premises
…spot, so it can still be worthwhile to start looking here. Perhaps you can spot moth larvae heading up towards a place where they can pupate. On walls it is possible to find moth pupae and sleeping moths. On humid walls, where microscopic fungi exist, mites, booklice and plaster beetles live. If the walls are very damp it is possible that you will find slugs, woodlice and springtails on them. You will rarely find pests in the middle of the floor d…
Wasp beetle
…umans. Wasp beetles do not thrive indoors, so it is unlikely that you will spot them in your home. One of the ways in which multiple wasp beetles can enter the home is by having their eggs enter via a firewood stack. Like so many other beetles, the wasp beetle lays eggs where it is safest. The wasp beetle therefore specifically chooses dry hardwood to lay its eggs in. The deciduous tree should also preferably be dead, and therefore you can sometim…
Wasps
(Latin: Superfamily Vespoidea) German wasp There are seven different species of social wasp in Britain and northern Europe, and they all have the same general appearance with the black-yellow barring, and the same habits. The wasps usually seen in or near houses are the common wasp Vespula vulgaris, the German wasp, Vespula germanica, and the hornet Vespa erabro. In social wasps, as in many bees and ants, the characteristic feature is a division…
Index
…Saliva Sarcoptes scabiei Scabies Scorpiones Scutigera coleoptrata Sebocan Seven-spot lady bug Simuliidae Siphonaptera Solitary bees Spider Spiders Spilopsyllus cunicu1i Spirokæt-infektion Squirrel fleas Stable fly Stenepteryx hirundinis Stinging hairs Stinging jellyfish Stinging tentacles Stomoxys calcitrans Storage mite Storage mites Storm bug Stueflue Stylostom Sucking louse Sulphur ointment Tabanidae Tabanus bovinus Tactic veto Tarantula Tarso…
Tobacco beetle
…Therefore, we are talking about a very small beetle, that is difficult to spot. The tobacco beetle has a light brown color at the front and shield as well as long light brown hairs that are most evident on its legs. Its head is hidden under the neck shield. Biology and behavior The tobacco beetle thrives in a tropical or subtropical environment, and it is not a species what is particularly widespread in Denmark. It will often be found in climates…
Furniture mite
…th 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 magnifying glass to spot these common features. This includes the long hair of the…
The Australian spider beetle
…et out. The holes they leave are circular. The larvae seek out a sheltered spot where they spin a whitish tissue paper-like cocoon and pupate. Sometimes they eat the substrate, for example, in wood to make the right spot for the cocoon. Australian spider beetle Australian spider beetles thrive at temperatures around 24 ° C. Below 10 ° C development and reproduction stops. The adult beetles are active at lower temperatures, down to 2 ° C. At room t…
Moths in the food industry
…, high-lying areas when resting. Ergo, they will therefore be difficult to spot with the naked eye. You can also spot their larvae, which can also vary in shape and size. However, the vast majority of insect larvae are a whitish to light brown color, and they are long in the body without legs. Moth larvae can also be harmful to the food industry, but rarely to the same extent as the adult moths. Biology and behavior Moths usually enter factories v…
History of the dark flour beetle
…ompany that had supplied the oatmeal to the traps gave no result at first. Seven years later the beetle was found in the company’s premises which after British pest laboratory’s estimates came from the originally infected oatmeal. Dark flour beetle larva The dark flour beetle is now a common food pest in Denmark, Norway, Finland and Sweden, but is virtually unknown in most other countries. In Canada, Germany and the former Soviet Union, it is occa…
Hornets (actual wasps)
…avespula germanica. (Leclerq & Lecomte) Hornet, wasp In Denmark, there are seven species of social hornets. 6 of them are very similar to each other. They belong to the genera Paravespula and Dolichovespula while the species known as the European Hornet, Vespa crabo is more of a reddish yellow and twice the size of the others. Colloquially, they are often called wasps, however, this can create misunderstandings, as there are many kinds of wasps: i…
Wasps
…can also refer to several different animals. In Denmark alone you can find seven different wasps, which of course all have similar characteristics. These characteristics are the black and yellow stripes, the elongated body, six legs, two wings and large eyes. There is a sting on the back of the body, and it is with this sting that wasps stick. Although wasps are considered to be very aggressive, they only sting as a last resort. Wasps are relative…
Fox
…e is larger than the female. A female fox typically weighs between six and seven kg, while a male fox weighs up to eight kg. Some male foxes can weigh as much as 12 kg. From tail to snout, the fox is about 110 cm long. Biology and behavior Foxes are mainly predators, in the wild they usually hunt animals like, hares, rabbits, deer, birds, and bird eggs. However, they also hunt smaller prey, such as mice and insects. There are several observations…
Sheep ked
…hand, has a grayish-brown color. An adult sheep ked grows between 4.5 and seven millimeters long. Biology and behavior In the temperate zone, 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 wing…
Wasps
…e hornet on the social species that belong to the family Vespidae. We have seven species of social, community-forming, hornets in Northern Europe. They are very similar and live the same kind of life. Only the big hornet Vespa crabro, that is twice as large as its relatives, stand out. A year in a wasp society In autumn a number of new queens and males are born in the nest. They swarm out and mate. Males die soon, but the fertilised young female w…
Prevention and control
…midges. Thoroughly apply the repellent – the midges can find even a small spot of untreated skin. The effect of the treatment is brief (a few hours). Draining or flooding of larval breeding sites as well as spraying the breeding sites with pesticides are control methods that have been used in other countries than Denmark. These methods are not applicable under Danish conditions. Midge nuisance is sometimes caused by the discharge of waste water w…
Lice bites
…n the neck and shoulders. Lice bite effects. The bite produces a small red spot that does not itch. It disappears after a few hours. After a large number of bites – more than 10,000 – it really begins to itch. It’s not just the new bites that itch but also the old ones, which were initially not noticed. Along with the itching, redness of the skin and blisters may occur – a kind of hives. After about a year, untreated louse infestations lead to som…
Bumble bee wax moth
…le do not look alike. The female is gray-brown with a characteristic black spot in the middle of each of the wings. The male is light gray with dark zigzag bands on the forewings. The larvae of the bumble bee wax moth have a buttery yellow color, while their head is reddish brown. The adult larvae can grow up to 27 millimeters long. Biology and behavior It is not without reason that “bumble bee” is included in the name of the moth. For the larvae…
Head lice
…ttom of the scalp. The small newly laid eggs can therefore be difficult to spot when they are firmly attached to the scalp. When the lice are fully developed inside the egg, it pushes a small lid off the top of the egg. The newly hatched lice are quite small and measure just between 0.5 and one millimeter. When the lice leave the eggs, they stay out on the hair shaft, where they grow out with the hair and at the same time become more visible. Thes…
Symptoms
…n. They may be operating in the dark or are so small that they are hard to spot, and it would be nice if the symptoms alone could determine which species did the biting or stinging. Unfortunately it is not that simple. The itchy bumps of the type that most of us know from mosquito or flea bites are an allergic reaction, and each person responds very differently. This also applies to people in the same family. Some may not respond to bites of a cer…
Bacon beetle
…ut a sheltered place where they can pupate. If they do not find a suitable spot close by they can chew a cave using their very strong jaws. This little cave is approximately 4 mm in diameter which is suitable for the larval thickness and a few cm. deep, and actually looks like it’s pierced with a 4mm. drill. Like this they can cause secondary damage to cardboard and wood. This is the explanation as to why bacon beetles are sometimes found in place…
The itch mite
…nce Itch mite can be a major nuisance. But the little mite is difficult to spot with the naked eye. It is only between 0.2 and 0.4 millimeters long, which is why you rarely see it. The suspicion of itch mite is only aroused when the first symptoms of its presence occur. Cases of itch mites were previously reported by doctors to the National Board of Health. From these reports, we know that there are most cases in October-November. In Denmark, ther…
Brown-banded cockroach
…off for some time. When you suddenly turn on the light, you will probably spot the cockroaches darting across the floor to their respective hiding places. It may be necessary to control the cockroach with chemical pesticides. Often, these products will act as poison belts, which the cockroach is forced to pass in search of food or water. The product is applied to areas that the cockroach often passes, such as along panels, at the pipe penetration…
Clover mite
…ters in length and 0.5 millimeters in width. However, they are possible to spot with the naked eye. This is not least due to their color, which is red, but also because clover mites often appear together in larger quantities. The clover mite’s eggs, like the mite itself, are red. As an adult, clover mites have four pairs of legs. Biology and behavior The clover mites spend their lives sucking nutrients out of green plants, changing skin, overwinte…
2. Proper operation
…roduct itself. When cleaning, one should have good light, so it is easy to spot spilled food. Preferably use a vacuum cleaner or broom. When it is necessary to use water for washing floors one should not overflow the floor with water. Too much water during cleaning is felt in the humidity of a room for a long time afterwards. Watering floors with a hose cannot be avoided in some companies, but then it is important that the ventilation is adequate….
Bed bugs
…found all over the world and often hide in places where it is difficult to spot them, which is why they do spread worldwide. They can spread between flats by moving along pipes. If you find bed bugs in your apartment, you must always notify the landlord if it is rental. As it is the owner’s responsibility to ensure that this pest is removed. If you do not notify the landlord, this pest may spread to the entire property, and you may incur serious l…