…ycidae family. It is characterized by its large size. Appearance The adult violet tanbark beetle is easy to recognize due to its beautiful violet blue color. In contrast, the larvae are difficult to distinguish from each other, as they appear as pale, chubby, or flat larvae. In the front, the larvae are wider with a strong and dark cheekbone. An adult violet tanbark beetle is equipped with laying tubes at the rear end which is used to lay and plac…
Search Results for: Violet tanbark beetle
Index
…ulatus Arboreal furniture beetles Auricularia, Forficula Australian spider beetle Bacon beetle Bean moth, cocoo Bean weevil, common Bean weevil Bees Bisquit beetle Black ant, common Black rat Black-legged ham beetle Blowflies Bolting cloth bettle Bostrychidae Booklice Brown house moth Brown rat Brown-banded cockroach Bruchidae Bruchus Butterflies Cadelle Calandra Calliphora erythrocephala Callosobruchus Canicularis, Fannia Carnaria, Sarcophaga Car…
Destructive flour beetle
…but in Denmark, at least in comparison with other pests. Destructive flour beetle beetles were first found in Denmark in 1943, but they have since appeared more often. The Destructive flour beetle most likely came to Denmark from the tropics in Africa in connection with trade of goods between the two places. Anyhow it has also occurred in other countries that have traded with this part of the world. In Danish, the Destructive flour beetle is named…
Brown carpet beetle
…e can grow up to 8 millimeters long. Biology and behavior The brown carpet beetle is a beetle in the subfamily (Attageninae), which all share the same common feature. They live on the dry remains of plants and animals and are not unwilling to consume all that is left by other animals. The brown carpet beetle originates from Africa, where the temperature is somewhat different than in Denmark. This affects the beetle. It thrives best at temperatures…
House longhorn beetle
…tles in roof constructions and other timber. Appearance The house longhorn beetle is a beetle that can grow 10-20 millimeters long. The beetle comes in several color variations that change from the light brown to the completely black. One of the most characteristic features of the house longhorn beetle is its woolly, whitish hair on both the back and fore chest, which forms two oblique whitish spots. On the chest it also has two shiny knots. The h…
History of the dark flour beetle
…boratory’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 occasionally found in houses and storages, but regarded as a rare and relatively harmless species. British researchers suggest that the relatively high indoor temperatures…
Deathwatch beetle
…s has given it the name “death clocks”. Appearance Although the deathwatch beetle is the largest borer beetle that lives in Denmark, it is still quite modest in its size. An adult beetle is only between 6 and 9 millimeters long. The beetle has a brown color, but around the body it also has sporadic spots of hair that appear yellowish and almost metallic. It is these areas of hair that give the borer beetle its characteristic speckled appearance. A…
Australian spider beetle
…ef and the common thief beetle. Biology and behavior The Australian spider beetle belongs to the woodboring beetle family (Anobiidae) and to the subfamily thief beetles (Ptininae). The Australian spider beetle is a diligent small size that can lay up to 1,000 eggs in its lifetime. The eggs have a unique texture that makes them stick to surfaces. The female lays her eggs individually or in small groups. She places her eggs in carefully selected and…
Tobacco beetle
…t the Tobacco beetle has serrated feelers. Appearance Basically, a tobacco beetle is a small beetle species belonging to the woodboring beetles also know as Anobiidae. The size of the tobacco beetle is around 2-3 mm and a full-grown beetle can measure up to 4 mm. 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 a…
Ham beetle
…survive at temperatures below 9 degrees. If you are afraid of finding ham beetles or ham beetle larvae in your stock, a cool storage can do wonders. However, the beetles will begin to reproduce, pupate, and generally live again when the temperature rises, so this solution will not work if you have already found ham beetles in your stock. To prevent ham beetles, you can freeze your food to below -18 degrees. At this temperature, all stages of ham…
Wasp beetle
…or Although the wasp beetle tries its hardest to look like a wasp, it is a beetle. The wasp beetle is thus neither aggressive nor dangerous, but it tends to restless behavior, which can seem annoying to the people who do not like beetles and similar small animals. Before they are fully grown, wasp beetles also undergo a larval stage. While they are larvae, they prefer to stay in dead, dry deciduous tree in which they have hatched. It is only as ad…
Soft wood boring beetle
…or cardboard. Because here the holes can cause water infiltration, which can ultimately result in an increased risk that the wood may be attacked by fungus or rot. Prevention and pest control In most cases, it is not necessary to set heaven and earth in motion to combat the soft wood boring beetle, as most attacks from the beetle will die out on their own. It happens when the bast layer in the wood has been eaten. If you want to speed up the proce…
Fur beetle
…e found. If the larva is found indoors, it is most likely the brown carpet beetle larva. A common carpet beetle larva is typically found outdoors. Biology and behavior During the summer, one can find the fur beetle near flowering plants. This is because the adult fur beetles feed on nectar and pollen. However, the larvae cannot live on this diet. The female fur beetle typically lay their eggs in mice or bird’s nests. Here there is plenty of fur an…
Bread beetle
…e holes are confusingly like the holes in a tree that has hosted the borer beetle larvae. Bread beetles are not limited to one region, but are found all over the world. And often it is through shipping that the beetles are spread across the globe. Their history of shipping is not exactly good, as the bread beetles liked to be annoying and unwelcome guests on board the ships. This is not least due to their ability to plunder the crew’s meals. And i…
Merchant grain beetle
…nt merchant grain beetles in private homes. To prevent both merchant grain beetle and other beetles from trying to eat one’s food, one should make sure that all the foods that the beetles will go for, are properly packaged in air-tight concealers. In addition, you can minimize the risk by keeping the merchant grain beetles favorite foods (nuts, almonds, dried fruit, seeds, and the like) cool. If you live in an apartment and experience that the mer…
(6) The cigarette beetle and the drugstore beetle
…ntries the drugstore beetle is at least 5 times as common as the cigarette beetle. The cigarette beetle requires a minimum temperature of 22 °C to survive. The drugstore beetle needs only 17 °C and it has the ability to withstand lower winter temperatures than the cigarette beetle. In Northern Europe, the cigarette beetle is forced to be strictly synanthrope while the drugstore beetle is not as strictly dependent on people. The drugstore beetle is…
Saw-toothed grain beetle
…l thoroughly, you will most likely encounter several the saw-toothed grain beetle in a period. This is because the beetles tend to wander around. They will, however, die out if you simply store this beetles’ favorite items in tightly closed containers in a cool environment. If you still after those measures encounter the sawtoothed grain beetle in larger numbers, investigate if the beetles are in neighboring apartments, as they can move around thr…
Tanbark borer
…wn or black, and where the wings are brown or yellowish. The larvae of the tanbark borer are very similar to the other species in the borer beetle family. They all have a yellowish-white color, just as their bodies are clearly articulated. In addition, all the larvae have quite small legs. The larva’s head sits at the thickest end of the body, where there are powerful brown cheekbones. Biology and behavior The tanbark borer female lays her eggs in…
Flour beetle
…t other beetles, the flour beetle larva is larger than a fully grown flour beetle. A flour beetle is just 2.5-4 mm long. It has a reddish-brown color and a very long hind body. Like most other beetles, it has six legs and, of course, antennas on its head. If you are not sure of the species, it can be recognized by its lively behavior. Since the flour beetle is an insect, it has a larval stage. The flour beetle larvae are somewhat larger than an ad…
(4) The rust-red flour beetle and the confused flour beetle
…ransition between the third and fourth antenna links of the rust-red flour beetle. The confused flour beetle has a smooth transition between the antenna links. The biology of the two species exhibits only small differences, but the differences are still significant enough to determine that one of the two species is successful while the other performs poorly in our climate. According to British statistics, the rust-red flour beetle is that kind of…
Exit-holes in timber
…acteristic way ( see p. 132), and not at random as in the common furniture beetle. Bostrychid beetles exit-holes in timber Bostrychid beetles Many species of tropical boring beetles of the family Bostrychidae occur in imported timber: in boxes, carved figures, baskets, etc. The exit-holes have a diameter of 1-5 mm, depending upon the species. Unlike the work of the powder post beetles they make distinct larval tunnels, circular in cross section….
Rape blossom beetle
…peseed fields – especially in spring rapeseed. Appearance The rape blossom beetle is a small gloss beetle of just two millimeters. Its color is dark with a metallic shine that is usually greenish. Biology and behavior When the temperatures are warm, you can experience the rape blossom beetle flying around in even very large numbers. Like many other insects, the beetle is attracted to yellow colors. If you are wearing yellow clothes, it is therefor…
(5) The merchant grain beetle and the saw-toothed grain beetle
…in products with high contents of oil and fat, while the saw-toothed grain beetle is most common in cereals. The merchant grain beetle requires slightly higher temperatures than the saw-toothed grain beetle and it is not as cold tolerant. Normally the saw-toothed grain beetle is found in unheated grain storages. In heated rooms, such as kitchens, the two species are equally frequent. In the Danish grain storages the saw-toothed grain beetle is par…
The Borer snout beetle
…rs. The small larvae usually take a year to develop into adult borer snout beetles, and the borer snout beetle can hatch all year round. When the adult beetles are ready to leave the tree, it does so through small fly holes that have a diameter of 1 to 2 millimeters. These fly holes are oval and have a slightly irregular outline. They leave passages with borer flour, which is a fine and dusting material that consists, among other things, of the la…
Bacon beetle
…many of the foods we store correspond to dry carrion in the eyes of these beetles. The adult bacon beetle (Dermestes lardarius) is 7-9 mm long and easily recognised by the bright band with dark dots that goes across the front of its elytra. The female lays hundreds of eggs, preferably directly in cracks and crevices in food. The larvae grow within 2-3 months, at room temperature, for a length of up to 15 mm. They are clearly articulated with long…
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…
Common woodboring beetles
…especially soft woods as well as Masonite and plywood that the woodboring beetle prefers. Fortunately, beetle larval development is slow, so there is a high probability that you can fight them before they do too much damage and the woodwork is weakened. Prevention and pest control The common woodboring beetle thrived best in high humidity. Therefore, you can limit the damage from them by keeping your indoor climate dry and thoroughly heated. If a…
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…
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…
Index
…a Atropus pulsatorius Attagenus pellio Australian spider beetle Aves Bacon beetles , Bark beetles Barn owl Bat bug Bathroom fly Bats droppings Bed bug faeces Bed mites Beech marten faeces scent tracks Bees Beetles Bird fleas Biscuit beetle Biting housefly Biting lice Black rat droppings Black vine-weevil Blattel/a germanica Blatta orientalis Blattodea Blowflies Body louse Bombus hypnorum Bombus lapidarius Booklice , Bostrychid beetles Bostrychider…
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