Search Results for: Varied carpet beetle

Red-legged copra beetle

( Latin: Necrobia rufipes) Red-legged copra beetle This beetle has spread to most parts of the world owing to the trade in copra (dried coconut). Apart from copra it also eats carrion and like the larder beetle it will thrive in parts that are too dry for other carrion-eaters. It can also live on museum specimens, and has been found, for example, in Egyptian mummies. In factories and warehouses it attacks concentrated fodder, fish and bone meal,…

Khapra beetle

…and crevices of walls in warehouses. Unlike the preceding dermestids this beetle feeds mainly on plant material. Khapra beetles ind wheat It has now spread to almost all tropical and subtropical regions and those areas where it has not appeared have very stringent quarantine regulations to prevent its introduction. For it is regarded as one of the most serious pests, particularly in grain and food stores. The khapra beetle is sometimes brought to…

Ant beetle

…(Latin: Corynetes coeruleus) (Ham beetle) – Ant beetle, corynetes coeruleus This beetle has very similar habits to the preceding species, Opilo. Its larvae wander round in the tunnels and attack wood-boring larvae. They may also feed on the larvae of moths and larder beetles, for example in birds’ nests, and like the copra beetles (p. 75) they are sometimes found on dry carrion. Ant beetle is a natural enemy of timber pests….

Rice weevil

…bles a long and thin or short and thick snout. As so many other species of beetles, the rice beetle or weevil, only thrives in a warm environment. Which is why you will not often see them in the danish nature, it is simply too cold. Rice weevils does only pose a danger in Denmark if they have been transported here through trade. Rice weevils are a picky, as they only eat grains, seeds, rice, and certain types of pasta like macaroni. Appearance App…

The white-marked spider beetle

Latin: ptinus fur. White-marked spider beetle 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 arched elytrons. On the prothorax, it has two stripes of closely spaced white-yellow hair, which c…

Ground beetles

…mber of beetles can be a nuisance, as we prefer not to have a home full of beetles. The ground beetles however do prefer to stay outside where they can find food and shelter. There are many different types of ground beetles, and not all are mentioned here, because the individual species is not necessarily interesting. Appearance Ground beetles are an agile animal, and they have robust legs, which allow them to move around quickly. There are severa…

Golden spider beetle

…Golden spider beetle (Latin: Niptus hololeucus) In this beetle the body is closely beset with yellow hairs. It can feed on almost anything and when it appears in a house, the source of infection may be dead chicks in a bird’s nest or little collections of seeds in the loft. Now and again this beetle has been recorded as a pest of textiles….

White-marked spider beetle

…White-marked spider beetle (Latin: Ptinus fur) Nowadays this European beetle is not as common as the Australian species just described. It eats the same kinds of food, including offal, but it is never a serious pest, partly because the female lays only about 50 eggs. This beetle is found both indoors and out in the open in Britain….

The leather beetle

…cal bacon and dermestid beetles, other species which are very similar are imported from overseas. The leather beetle is one of the most common of these. It is quite common in Southern Europe and in countries from which we import raw hides. The leather beetle larvae have the same urge to wander and chew on everything before pupation, as the two above mentioned. The leather beetle requires heat and can usually not survive in Northern Europe, but in…

The smooth spider beetle

…Latin: Gibbium psylloides The shiny spider beetle Shiny spider beetle 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 substances. It is sometimes imported with spices….

Death-watch beetle

…larvae may take 5-10 years to complete their development. The death-watch beetle got it’s name because the adults beetles during the mating season calling on each other by banging their chests against the tree They pupate in the autumn and metamorphosis to the adult takes place a few weeks later. As in the preceding species the beetles remain in the timber until the following spring, when they gnaw their way out through characteristic exit-holes….

The bolting cloth beetle

…. Latin: Tenebroides mauretanicus. Also called the cadelle. A rather large beetle, 6 – 11 mm long, black or dark brown and shiny. Belly side, legs and antennae are reddish-brown. The edge of the prothorax has two growths which flank the head, and between this part and the elytrons there is a deep necking. The bolting cloth beetle has sharp mouth parts and is primarily a grain pest, but it may also live in other products. Its main habitat is in the…

Ant beetle

…Ham beetle ( Latin: Corynetes coeruleus) This beetle is similar to the copra beetles, but is a uniform iridescent green. The larvae feed on dried carrion and may also eat smoked meat products. In roof spaces suffering attack by wood-boring beetles it lives as a predator (p. 121), its larvae hunting the wood-boring larvae like a mole hunting earthworms….

Australian spider beetle

( Latin: Ptinus tectus) Australian spider beetle This species arrived in Europe from Australia as recently as 1900, but it is now common more or less everywhere. The female can lay up to 1000 eggs, and the larvae will live in all kinds of dried plant products, such as grain, flour and spices. They may also breed in birds’ nests and in desiccated carrion. In lofts and warehouses they can make do with the remains of insects and rat or mouse faeces…

The red-breasted copra beetle

…Latin: Necrobia ruficollis. The red-breasted kopra beetle 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 black-legged ham beetle

…Latin: Necrobia violacea. Also called the cosmopolitan blue bone beetle. The black-legged ham beetle This species is blue shiny metal coloured. It is especially common in dry carrion, but can also infest the same types of products as the other types of copra beetles….

Powderpost beetles

…it pupates. Inside the pupa, the larva transforms into an adult powderpost beetle. The beetle leaves the tree through a small fly hole that is round and diameter vice about 1 mm. The larval passages are round and 1mm in diameter, they can go all ways into the tree. The drill flour is light, fine, and loosely packed. Normally the adult powderpost beetles appear from June to August. If the conditions are appropriate, they may already appear during F…

Mold beetles

…nd adults they mainly feed on mold. Which is the reason for the name, mold beetle. The mold beetle lives in places with high humidity, places like under bark and foliage, thatched roofs, wood fungi and moist grain, straw, and hay is very attractive to them and those places are typically areas where you will find the mold beetle. However, the mold beetle can also thrive in storage rooms, shacks, basements, and other places where the humidity is hig…

Predatory beetles

…ke, as people typically have problems with when it comes to other types of beetles. But the predatory beetles feed on other insects, both as larva and as an adult beetle. They do nourish on earthworms, snails, and other insects. In fact, they are useful, as they nourish on pest that can be harmful to crops. However, there are predatory beetles that do live as herbivores, and all predatory beetles thrives in a humid environment. Damage A single pre…

Shiny spider beetle

…Shiny spider beetle (Latin: Gibbium psylloides) Shiny spider beetles in saffron A less active spider beetle, wich crawls around slowly on it’s long legs. It may attack cereals and cereal products in, for example, India, where it is sometimes a pest. In Europe it is occasionally found in imported goods….

Dermestes lardarius

…lled Dermestidae, is found the Dermestes Lardarius bettter known as larder beetle or bacon beetle. It belongs to the group of insects that clean up in nature. But it is differently coveted if it does damage to housing or industry. Appearance The adult Dermestes Lardarius has a brownish-black color and is known for its light brown jagged band that runs across the front half of its back. An adult Dermestes Lardarius grows between 7 and 9 millimeters…

Flour beetle

Confused flour beetle (Latin: Tribolium confusum) This beetle is like a slightly smaller and paler edition of the preceding species. It is found mainly in flour and cereal products, but it also attacks a variety of other foodstuffs, such as beans, dried fruit, spices and chocolate. It is particularly injurious in warehouses and in factories making starch products, but is not uncommon in private households. Flour infested by the larvae has a greyi…

Cadelle beetle

Cadelle beetle ( Latin: Tenebroides mauritanicus) Originally an African species, this beetle has now spread to almost all parts of the world. It is found particularly in grain warehouses, silos and mills. The larvae live hidden away, feeding on corn and flour, but also live to a certain extent as predators on other insects. The species is probably not very common in Europe but may be a serious pest in flour mills because it destroys the sieves by…

The golden spider beetle

…sts the same types of products as the first two mentioned spider beetles. When occurring in a warehouse it is often because it has been able to eat dead insects, dry carrions or rodent droppings. The adult golden spider beetles do bite holes in woollen textiles. The beetles are shady, nocturnal, and are active in temperatures down to 5 ° C. The development time from egg to adult is one year at 15 ° C, and half a year at 18-20 ° C….

Museum beetles

…ction of stuffed mice destroyed by museum beetle larvae. In spite of their varied diet, museum beetles are usually very fastidious whenever they attack textiles, for they prefer clean new materials such as fine woollen curtains or bunting or soft, expensive knitted goods such as cashmere sweaters. In many places these insects are regarded as new pests of textiles, but this is probably because in former times they were grouped together with the num…

Museum beetles

…hairs in the mouth or on the body, it has to clean it off, and the museum beetle larvae might escape. Museum beetle larvae are usually a year to develop, but when food is scarce, it can take much longer. They can live long without food, they put their metabolism down and consume the nutrients they have stored. A unique feature is that they can grow downwards. Like other insects, the larvae change skin several times during their growth, and they a…

Merchant grain beetle

…( Latin: Oryzaephilus mercator) Very similar in appearance to the preceding species, and difficult to distinguish. The present species is not so commonly seen, and seems to like even higher temperatures. It prefers vegetable foods that contain oil, so it is mainly found in imported nuts, almonds and copra. The Merchant grain beetle penetrates even very tight-fitting packages and unopened walnuts…

House longhorn

…this it gnaws an exit-hole through which it will later leave the tree as a beetle (p. 118). The exit-hole, the wood dust and the chips which the larvae often push out are usually the first visible evidence of an attack by this beetle, although the actual infestation may have taken place several years before. However it is possible to listen for evidence before the attack has got as far as this. By standing quietly in a loft on a warm summer day it…

Ash bark beetle

…(Latin: Hylesinus fraxini) Ash bark beetle This is the scolytid most commonly seen in houses, where it may suddenly appear as a swarm of small, yellow-brown, spotted beetles. These will always have come from ash logs, and the round exit-holes quickly show where they have come from….

Devil’s coach-horse

…mobile – somewhat resembling the abdomen of an earwig. Devil’s coach horse beetle on basement floor When threatened this beetle assumes a posture with the abdomen bent upwards, rather like a scorpion. This is, however, an empty threat for the beetle can neither sting nor bite with its abdomen. What then is the function of this behaviour pattern? It is, indeed, a fact that some people are frightened by it, and it is quite likely that the beetle’s n…