Search Results for: Wasp beetle - Clytus arietis

Violet tanbark beetle

…n beetles is yellowish. The development from larva to adult violet tanbark beetle takes in average 1-2 years. When the larva is fully developed, it will gnaw a 3-5 cm long passage into the wood, thereafter it will pupate in an enlarged den. It will close the den with rough wood dust. When fully developed, the violet tanbark beetle will emerge through the same hole as the larva entered and chew an oval exit hole of 6x4mm. You can encounter this spe…

The khapra beetle

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 all tropical and subtropical countries and appears as one of the more voracious pests of grain and feed storages. The khapra…

Brown Carpet Beetle

…ve spread throughout Europe and has become common in many homes. The adult beetle is only 3-4 mm long, the elytra covering the abdomen are brown while the front of the beetle is dark brown or black. The female lay about 50 eggs, the larvae are yellowish-brown and clearly articulated and they have a brush-shaped tuft of hair at the rear. Like most other carpet beetles, they eat dry remains of animals and plants. They are about six months to become…

Bean weevil

…ngs to the family of leaf beetles (Chrysomelidae) 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,…

Wharf borer Beatle

…as it has correspondingly long feeler horns. The larva of the wharf borer beetle has a whitish-yellow color and can grow 2 to 3 centimeters long. The larva has characteristics that make it different from many other beetle larvae. It has 3 pairs of well-developed feet at the breast area, just as it has warts on the third and fourth hind body joints. Biology and behavior If you want to see the adult wharf borer beetles, the chance of encountering t…

Leaf beetle

…f beetle itself goes under the name Sitona lineatus. This species of snout beetle lives on pea-flowering plants, which includes plants such as clover, peas, and alfalfa. The reason why the leaf beetle got its Danish name lies in the way the beetles gnaw on the leaves. Their bite leaves moon-shaped incisions in the leaf margins. Appearance The adult leaf beetle grows between 4 and 5 millimeters long. The body is brownish with stripes running down t…

Red-brown longhorn beetle

…uickly as well as establish preventions. Appearance The red-brown longhorn beetle is 12-18 mm long and is characterized by the reddish brown or red colored cover wings. Color wise there are all kinds of variants. However, they have yellowish hair, which is characteristic for this species. In general, the females are larger than the male which can be surprising to some people. The female is also more robust in her appearance, while the male is seem…

Wasps

…e nest. Depending on where the estate is located, there are different approaches. Free-hanging nest can be sprayed with insect spray. One simply sprays right up the entrance hole, which will typically be found at the bottom of the nest. After 10-15 minutes, the wasps in the nest are paralyzed and you can remove the nest. You can instead use insect powder for a hidden nest. You simply powder the entrance hole, and the wasps will then transport the…

Parasitic wasps

…pecies to species. Small types of parasitic wasps place their eggs in skin beetles or beetle larva or woodboring beetle larva, while others choose to parasitize on aphids. Females from the larger parasitic wasp species, choose to parasitize on wood wasp larvae or butterfly larvae. Damage There are no parasitic wasp species that can damage furniture or houses. In fact, a variety of the species are used for biological pest control on farms, in plant…

The lesser mealworm beetle

…s disease,” but it is uncertain whether it is relevant under practical conditions. The lesser mealworm beetle acts as a food pest in connection with the slaughter of chickens. Prior to the slaughter, the chickens are without food for a short period of time. This means that they eat a lot of beetles and beetle larvae. Some of them are probably still alive when the chickens are slaughtered. They make their way out and may end up in the parts of the…

Larder beetle larvae hairs.

…their tale end. The spines end in something that resembles a harpoon with 4-6 long barbs and along the shaft are 30-40 shell crests of barbs facing upwards. If larder beetle larvae feel threatened by other bugs, they turn the tail against the attacker and put up the spines. This usually results in some of them being ripped off. This troubles the attacker and can even lock the attacking animal’s limbs together so that it succumbs. Hair from larder…

The cigarette beetle

…le Season for cigarette beetle Latin: Lasioderma serricorne. The cigarette beetle is 2-4 mm long and resembles the drugstore beetle very much. With a little magnification you will notice that the cigarette beetles’ antennae are serrated. Each link is a serration. Drugstore beetle antennae have rounded corners. Cigarette beetles, like drugstore beetles, live in many kinds of products, like rice, cocoa, figs, paprika and various herbal substances an…

The confused flour beetle

…flour beetle Season for confused flour beetle Latin: Tribolium confusum. 3-4 mm long beetles ranging in colour from light reddish brown to dark brown. The confused flour beetle and its larvae look like small versions of the dark flour beetle and its larvae. It can damage grain and feed storages, but can also be found in grocery warehouses and in private households. The confused flour beetles do not only eat cereals but can also infest dried fruit…

The dark flour beetle

…tle Season for dark flour beetle Latin: Tribolium destructor. A dark brown beetle that is 5-6 mm long and 2 mm wide. The larvae can be up to 10 mm long, plump and wormlike. Both the dark flour beetle and its larvae look like small versions of the yellow mealworm beetle and its larva, the mealworm. This species originates from Africa. The dark flour beetle has glands that can secrete a substance with Lysol or phenol-like odour that sticks to infest…

The bacon beetle

…. In unheated locations bacon beetles overwinter as adult beetles, and are not seen until the next spring, when they become active again. Indoors, where there is heat in the winter, they are active year-round. Bacon beetle larvae destroy the goods in which they live. Bacon beetle larvae are unhealthy to eat. Therefore, dog or cat food with many bacon beetles must be discarded….

Mealworm Beetle

…ossy surface that its adult version has. Biology and behavior The mealworm beetle belongs to the family of shadow beetles (Tenebrionidae). Both adults and larvae are nocturnal. The adult beetles can fly and can be experienced in the middle of summer. The adult female beetle lays about 200 eggs during its 2–4-month adult life. The eggs are laid in starchy products, such as flour, grain, bread, and cereals. It takes a long time for the mealworm to d…

The merchant grain beetle

…hant grain beetle Latin: Oryzaephilus mercator. Looks somewhat like the saw-toothed grain beetle but differs from 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-…

Common furniture beetle

…evices, on the end grain, or on unplaned timber, and very often in old exit-holes. The eggs hatch after 3-4 weeks, and the tiny larvae start immediately to gnaw into the timber. They leave the un- digested parts of the timber in the tunnels in the form of small, oblong balls of faeces. As the larvae grow the diameter of the tunnel gradually increases. The larvae do not leave the timber and cannot therefore wander from one piece of furniture to ano…

The yellow mealworm beetle

…nown as those mealworms that are sold as animal feed. It is a rather large beetle, 1.5 cm long. The yellow mealworm beetle lives in birds’ nests, where the larvae feed on the food spills that accumulate in the nests when the young birds are fed. The larvae can also live on all sorts of products containing starch, and they eat cereals, flour, grains and bread products whenever the opportunity presents itself. They are typically found in grains that…

Biscuit or drugstore beetle

…ly like the holes in timber made by furniture beetles. Bisquit / Drugstore beetle and tobacco beetles are quite similar. The safest characteristic is the feeler horns, which are serrated in the tobacco beetle The species has become distributed to all parts of the world. In fact, these beetles must have been spread by ships in former times, and the old habit of banging ship’s biscuits on the table before eating them perhaps served to drive out the…

Mealworm beetle

…warehouses, but nowadays they are no longer important as a pest. Mealworm beetle The adult beetles seen usually come from birds’ nests in the neighbourhood. On warm summer evenings they often fly in through the windows, attracted by the light. They normally do no harm in the living rooms of a house, and as they take so long to develop they do not become a problem in the kitchen. Related articles Mealworm Beetle The yellow mealworm beetle The less…

The drugstore beetle

Drugstore beetle Season for drugstore beetle Latin: Stegobium paniceum. 2 – 4 mm long, reddish-brown and hairy. It is widely spread all over the world. It lives in bread. Not freshly baked bread and the like, but the hard baked goods or stale, dry bread. It lives in various products: biscuits, dog biscuits, cookies, cereals, rice, pasta, herbs and pharmaceuticals to name a few. In the old times it was drugstore beetles that sailors had to knock o…

Larder beetle

…ns left in odd corners of the kitchen, but more often it will be a pigeon’s nest or a dead mouse under the floor boards. Larder beetle larvae hairs. Bacon beetle The bacon beetle DPIL on Dermestes lardarius, bacon beetle Bed bugs Blowflies…

The rust-red flour beetle

…d the tip. Both in terms of biology, harmfulness and extermination the rust-red flour beetle is closely related to the previous mentioned species. Temperature-wise, it prefers a few degrees more and is accordingly to this the more common of the two species in tropical regions. In the temperate parts of the world it is not as common as the confused flour beetle. With a monthly multiplication rate at about 70, it holds the record of the insects in t…

The saw-toothed grain beetle

The saw-toothed grain beetle Season for merchant grain beetle and saw-toothed grain beetle Latin: Oryzaephilus surinamensis. 2.5 – 3.5 mm long, slender and brown-black. The distinctive features are the serrated growths on the prothorax side edges just behind the head. It cannot infest whole, undamaged kernels and it mainly eats seeds. In goods of cereal origin, flour and grain in particular, it is one of our most common pests. Eggs are laid loose…

Tobacco beetle

…fest characteristic is the feeler horns, which are serrated in the tobacco beetle Tobacco beetle ( Latin: Lasioderma serricorne) This is also related to the furniture beetles and it is very similar to the biscuit beetle, from which it can be distinguished by its serrated antennae. It is primarily a tropical and subtropical beetle which requires plenty of warmth. Reproduction ceases below 21° C. and all movement ceases at temperatures below 18° C….

Saw-toothed grain beetle

…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 egg-laying to the emergence of the adult beetle…

Woodwasps

…lack with yellow or reddish stripes, as we know it from the classic bee or wasp. The wasps lay eggs, which subsequently develop into larvae that can grow up to 4 centimeters long. The larvae are white yellow with three sets of breast feet, and at the tip of the hind body they have a short and dark thorn. Biology and behavior The appearance of this pest can be frightening to many and result in panic. Here, it is important knowing the difference bet…

The Australian spider beetle

…e-marked spider beetle. It is now widespread all over the world. The adult beetle is 3-4 mm long and reddish brown. Elytrons are densely covered with short hair. The larvae are 3-5 mm long, yellowish white with dark heads. They are curved and have small legs. An adult female lays about 1000 eggs in a lifetime. The eggs are sticky and are laid on the things larvae can live on, that is, all kinds of dried plants: corn, feed, flour, grains, cocoa, sp…

The rust-red grain beetle

The rust-red grain beetle Season for rust-red grain beetle Latin: Cryptolestes ferrugineus or Laemophloeus f. The genus Cryptolestes is a complex of several species that are all very similar to each other. They can all occur in grains, bran, flour and the like, often in very large numbers. The rust-red grain beetle is 2 mm long and it is uni-coloured. The sides of the head and the prothorax are lined with one plain line. In grain storages it occu…