Search Results for: Lesser mealworm beetle

Woodboring beetle

…e fall, and within a few weeks, the pupa will have developed into an adult beetle. However, the beetle will remain inside the tree until May-June, and then it will emerge from the tree, through a characteristic fly hole of a diameter of 2-3 mm. The dust from the fly hole will be dark yellow, as the wood the beetle feed on is rotten. The natural habitat for the beetle is rotten coniferous trunks or branches. But they can also be found in fence post…

Bark beetle

…ll into the splinter itself are also called ambrosia beetles or woody bark beetles. The bark beetle also goes by its Latin name Scolytinae. Appearance The bark beetles are small and grow between 2 and 8 millimeters long. The beetles have a cylindrical shape and are brown. On the frontal part, the bark beetles’ sensory horn is placed in a bent angle to the head. While the fully grown bark beetles are dark brown or black, the larvae have a less noti…

Skin beetle

…that dead animals, dry food, or rubbish bins can often be the cause of the beetles’s appearance. In the house, the beetle will probably originate from a pigeon nest in the attic, dead mice or rats under the floor or a dead bird in the ventilation system. Be sure to remove and destroy the source, thoroughly clean the area around the site and treat it with an insect repellent or spray against creeping and crawling insects. Larvae can also be found u…

Violet tanbark beetle

…excrements. The drilling dust is easy to recognize from that of a longhorn beetles, as the excrement from the longhorn 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 w…

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…

The dark flour beetle

…he 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 infested goods. Sometimes the smell is so strong that one can determine this type of beetle just by smelling it. If you squeeze it between your fingers the smell is in all cases clear….

Red-brown longhorn beetle

…eady has been damaged. Prevention and control Since the red-brown longhorn beetle attacks woodwork, that has already been damaged, it is important to avoid moist. If damage does occur and the red-brown longhorn beetle attacks, you should replace the woodwork. It there is still moist problems it is recommended to use pretreated wood. If it is a mild attack by the red-brown longhorn beetles, it may be enough to dry out the area and treat it with a w…

Brown Carpet Beetle

…se can of course also be used for treatment of their living spaces. Carpet beetle The, so to say, “true” carpet beetle (Attagenus Pellio), is slightly larger than its brown relative. It is plain black with a few white spots on its elytra. The larvae resemble the brown carpet beetle larvae, but they grow a little larger in size. The carpet beetle is an old Danish species, and can be found in many places outside our homes. In summer you can see the…

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

…ead in similar places throughout the temperate zone, where the wharf borer beetle is spread through shipping. The wharf borer beetle is thought to have originated in the United States, where it lives in areas around the Great Lakes. Appearance An adult wharf borer beetle measures between 1 to 1.5 centimeters in length. The color of the beetle itself is a reddish-golden color, while its coverts are black. The legs are black on the inside and yellow…

Leaf beetle

…beetle belongs to the genus with the Latin name Sitona – also called snout beetles – while the leaf 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 le…

Larder beetle larvae hairs.

…t happen when you’re lying on a mattress, which has been visited by carpet beetles (Anthrenus spp.) or if other larder beetles from bird nests or food will find their way to clothing or furniture with which humans have contact. On the skin, a dark spot appears. It is the larder beetle larvae hair or a part of it. First, a red, irritated area will appear around the hair. Next, is a small, clear blister will appear. The blister may turn yellow after…

The cigarette beetle

…en be covered, very few smokers want the experience of the glow reaching a beetle. The cigarette beetle lives especially in tropical and subtropical regions. It requires heat. At temperatures below 21 ° C it does not reproduce, and at 18 ° it is paralysed. Optimal temperatures are between 32 and 35 ° C, where the population increases itself 20-fold every month. Cigarette beetles can survive at humidity levels down to 30% RH. Newly hatched larvae a…

The confused flour beetle

Confused 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 dr…

The bacon beetle

…ith dried fish, hides or feed containing meat and bone meal, can get bacon beetle problems. The adult beetles are active and fly, and you can find them far from the place they developed. Females can lay several hundred eggs, preferably placed in cracks and crevices in food. The eggs hatch after 9 days at 17 ° C. At higher temperatures, e.g. 27 ° C, it only takes 3-4 days. The larvae are shady and quite mobile. They often leave their droppings as c…

The merchant grain beetle

…d 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 merchant grain beetle requires slightly higher temperat…

The drugstore beetle

…enetrating packaging, which is not sealed completely. Fig. 5.37. Drugstore beetle, a: larva, b: pupa, c: adult, d: side view, e: antennae. Later, the drugstore beetle larvae become fat and lethargic and they are now quite helpless if they accidentally fall out of the product. The adult beetles do not feed. They are good fliers and seek towards light. You can often find them in windows far from the place where they have gone through their developme…

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…

Common furniture beetle

…just below the surface. A few weeks later, the nipple turns into the adult beetle gnawing at a round fly hole in the thin wooden membrane and appears on the surface. After mating, the females begin to lay eggs. The lives of the other drill beetles are passing pretty much the same way. The most favourable temperature for the development of the larvae is 22-23° C, but they can live at lower temperatures, and even outdoors in Europe. The water conten…

The lesser house fly

Latin: Fannia canicularis. Lesser house fly Lesser house fly, adult and larva 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, for example, in moist manure or sink drains. The larvae do not look like ordinary fly larvae. They ar…

The rust-red flour beetle

…he three external antennae joints being much thicker than the ones of said beetle. The antennae joints of the confused flour beetle are gradually thicker toward 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 tempera…

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 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

…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 from the pupal stage. Breeding ceases if the temperature falls below 8° C. The beetle itself is v…

The Australian spider beetle

…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 temperature, development from egg to adult lasts 3-4 months. At lower temperatures, it will take longer time. Adult spider beetles are shady and nocturnal. They infest the same type…

The red-legged ham beetle

…n museum pieces, and have been found in Egyptian mummies. Red-legged kopra beetle The adult beetles are active insects that can fly. They can be more than 1 year old and the females lay 2-300 eggs in a lifetime. The larvae dig into food and it is the larvae that eat the most. Adult beetles also eat. When the larvae are fully grown, they seek out the cracks and crevices in whatever they have lived in or nearby, and here they pupate in white, papery…

The dermestid beetle

…eetle Latin: Dermestes haemorrhoidalis. A very close relative to the bacon beetle. The adult beetles are plain black or dark brown and have golden undersides. It has gradually become common all over Europe, especially in cities, where one of its main habitats is pigeons’ nests. Very littered apartments or businesses where food leftovers and kitchen waste have been allowed to lie for months are also good habitats for the dermestid beetle. Small pop…

The rust-red grain beetle

…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 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 gr…

Carpet beetles

…u have not found moth in your homes, it will typically be caused by carpet beetles. Carpet beetles are quite common in the home and you will always be able to find few in any kind of home. If you only find a few beetles, you do not need to do anything. Prevention and pest control If carpet beetles appear in larger quantities, you should try to identify where they come from. The hearth of the attack is rarely in your home but can come from a sparro…