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Athous Curtus
''Athous curtus'' is a species of click beetle of the family Elateridae endemic to the Western Caucasus. Description The body is oval shaped and is long and wide. The species is yellowish-brown in colour with tight top and bottom and golden hair. Its head is almost flat and is punctured. The distance between the body and the head is 5-1 long. The tips of the rear angle of the prothorax and its sensor are short. The prothorax itself is cushion-like, almost square shaped and is punctured just like the head. The margins are almost parallel and are located at the rear angle. The angles themselves are short and rounded closer to the eye. The species' prothorax is dense and punctured just like its pronotum, while its scutellum is almost oval-shaped and is long and wide. Its elytron is also oval, stretched, and is 2.6 times the length of the pronotum, while the middle of the elytra is 2 times longer and wider. The species' longitudinal strips are deep with points that look like st ...
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Click Beetle
Elateridae or click beetles (or "typical click beetles" to distinguish them from the related families Cerophytidae and Eucnemidae, which are also capable of clicking) are a family of beetles. Other names include elaters, snapping beetles, spring beetles or skipjacks. This family was defined by William Elford Leach (1790–1836) in 1815. They are a cosmopolitan beetle family characterized by the unusual click mechanism they possess. There are a few other families of Elateroidea in which a few members have the same mechanism, but most elaterid subfamilies can click. A spine on the prosternum can be snapped into a corresponding notch on the mesosternum, producing a violent "click" that can bounce the beetle into the air. Clicking is mainly used to avoid predation, although it is also useful when the beetle is on its back and needs to right itself. There are about 9300 known species worldwide, and 965 valid species in North America. Etymology Leach took the family name from the g ...
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Western Caucasus
The Western Caucasus is a western region of the Caucasus in Southern Russia, extending from the Black Sea to Mount Elbrus. World Heritage Site The Western Caucasus includes a natural UNESCO World Heritage Site comprising the extreme western edge of the Caucasus Mountains. As stated by the UNESCO specialists, it is the only large mountain area in Europe that has not experienced significant human impact. Its habitats are exceptionally varied for such a small area, ranging from lowlands to glaciers. The site is situated 50 km to the north from the Russian resort of Sochi. Biosphere Reserve The Western Caucasus also contains the Caucasus Nature Reserve (Russian Кавказский государственный природный биосферный заповедник), nature reserve (IUCN management category Ia ) set up by the Soviet government in Krasnodar Krai, Adygea and Karachay–Cherkessia in 1924 to preserve some 85 m-high specimens of the Nordmann Fir ( ...
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Prothorax
The prothorax is the foremost of the three segments in the thorax of an insect, and bears the first pair of legs. Its principal sclerites (exoskeletal plates) are the pronotum (dorsal), the prosternum (ventral), and the propleuron (lateral) on each side. The prothorax never bears wings in extant insects (except in some cases of atavism), though some fossil groups possessed wing-like projections. All adult insects possess legs on the prothorax, though in a few groups (e.g., the butterfly family Nymphalidae) the forelegs are greatly reduced. In many groups of insects, the pronotum is reduced in size, but in a few it is hypertrophied, such as in all beetles (Coleoptera). In most treehoppers (family Membracidae, order Hemiptera), the pronotum is expanded into often fantastic shapes that enhance their camouflage or mimicry. Similarly, in the Tetrigidae, the pronotum is extended backward to cover the flight wings, supplanting the function of the tegmina. See also *Glossary of entomolo ...
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Scutellum (insect Anatomy)
The scutellum is the posterior portion of either the mesonotum or the metanotum of an insect thorax; however, it is used almost exclusively in the former context, as the metanotum is rather reduced in most insect groups. In the Hemiptera, and some Coleoptera, the scutellum is a small triangular plate behind the pronotum and between the forewing bases. In Diptera and Hymenoptera the scutellum is nearly always distinct, but much smaller than (and immediately posterior to) the mesoscutum. File:Heteroptera morphology-d.svg, 26 = Heteroptera scutellum File:Housefly anatomy-key.svg, 6 = Diptera scutellum File:Coléoptère schématique.jpg, 9 = Coleoptera scutellum File:Scheme ant worker anatomy-numbered.svg, 10 = Formicidae scutellum See also * Scutoid A scutoid is a particular type of geometric solid between two parallel surfaces. The boundary of each of the surfaces (and of all the other parallel surfaces between them) either is a polygon or resembles a polygon, but is not nec ...
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Elytron
An elytron (; ; , ) is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs (Hemiptera) such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra (sometimes alternatively spelled as "hemielytra"), and in most species only the basal half is thickened while the apex is membranous, but when they are entirely thickened the condition is referred to as "coleopteroid". An elytron is sometimes also referred to as a shard. Description The elytra primarily serve as protective wing-cases for the hindwings underneath, which are used for flying. To fly, a beetle typically opens the elytra and then extends the hindwings, flying while still holding the elytra open, though many beetles in the families Scarabaeidae and Buprestidae can fly with the elytra closed (e.g., most Cetoniinae; ). In a number of groups, the elytra are reduced to various degrees, (e.g., the beetle families Staphylinidae and Ripiphoridae), o ...
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Lands Museum
Lands Museum is the cultural and natural history centre for Nordre and Søndre Land municipalities in Innlandet county, Norway. The museum lies at the northern end of Norway’s fourth largest lake, Randsfjorden, and is near the Dokka Delta nature reserve. The museum was founded in 1927. Lands Museum is now a part of Randsfjordmuseene together with Hadeland Folkemuseum at Tingelstad in Gran, Hadeland Bergverksmuseum at Lunner and Kittilbu Utmarksmuseum in Gausdal. The museum contains more than 30 historical buildings the oldest dating from ca. 1630. Among them is a 17th-century house from Thomle farm (''Thomlebygningen'') with rococo Rococo (, also ), less commonly Roccoco or Late Baroque, is an exceptionally ornamental and theatrical style of architecture, art and decoration which combines asymmetry, scrolling curves, gilding, white and pastel colours, sculpted moulding, ... paintings by the rural artist Peder Aadnes (1739–92). New to the museum is a middle ...
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Beetles Described In 1977
Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 described species, is the largest of all orders, constituting almost 40% of described insects and 25% of all known animal life-forms; new species are discovered frequently, with estimates suggesting that there are between 0.9 and 2.1 million total species. Found in almost every habitat except the sea and the polar regions, they interact with their ecosystems in several ways: beetles often feed on plants and fungi, break down animal and plant debris, and eat other invertebrates. Some species are serious agricultural pests, such as the Colorado potato beetle, while others such as Coccinellidae (ladybirds or ladybugs) eat aphids, scale insects, thrips, and other plant-sucking insects that damage crops. Beetles typically have a particularly hard exoske ...
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Beetles Of Asia
Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 described species, is the largest of all orders, constituting almost 40% of described insects and 25% of all known animal life-forms; new species are discovered frequently, with estimates suggesting that there are between 0.9 and 2.1 million total species. Found in almost every habitat except the sea and the polar regions, they interact with their ecosystems in several ways: beetles often feed on plants and fungi, break down animal and plant debris, and eat other invertebrates. Some species are serious agricultural pests, such as the Colorado potato beetle, while others such as Coccinellidae (ladybirds or ladybugs) eat aphids, scale insects, thrips, and other plant-sucking insects that damage crops. Beetles typically have a particularly hard exos ...
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