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Keyword: Beetles | | Seite 1 von 13 1 2 3 4 5 6 7 8 9 10 11 12 13 | | | |
| Rove beetles | Rove beetles (Staphylinidae) are members of the order Beetles. There are about 1,554 species in Germany and about, 47,000 globally. Some examples are: Bledius spectabilis, devil's coach-horse beetle, Ontholestes tessellatus, Oxyporus rufus, Paederus littoralis, Staphylinus caesareus, Tachyporus hypnorum, Velle...
...aesareus, Tachyporus hypnorum, Velleius dilatatus and Anthophagus caraboides. The oldest fossil findings suggest that the rove beetle has been in existence for at least 220 million years.
The shape of the rove beetle’s body is very untypical of beetles’ Its body is usually elongated, and the wing covers are shortened, so that the abdomen is unprotected. The advantage of this is that the beetles have greater mobility when entering smallest cavities. The wings are enfolded by the wing covers. The body length of the rove beetle, (depending on type), ranges from 0.5 to 50 mm and the body is usually black or brown in colour. Occasionally sp...
...ength of the rove beetle, (depending on type), ranges from 0.5 to 50 mm and the body is usually black or brown in colour. Occasionally species with a metallic blue-violet or blue colour can be encountered. Other species are very hairy. Most rove beetles are good fliers, and often swarm on warm evenings. While larger species of rove beetle search for food in the night, smaller species are active by day.
Rove beetles can be found in litter and humus in diverse habitats. In the species that live in the deeper layers of soil the eyes are poorly developed and they can not fly. Certain species of rove beetles are found in or on the edge of wetlands, other species, in deserts, mountains or near the polar regions. Most, however, live in the tropics.
The dietary habits of rove beetle larvae are generally the same as the adults. While most rove beetles are predatory some species eat fungi, or putrescent animals and plants. The larvae of some species live as parasites? on the pupaeof flies. There are species of rove beetle, which only inhabit birds' nests, mammals' nests, ants' nests, termites'...
...rescent animals and plants. The larvae of some species live as parasites? on the pupaeof flies. There are species of rove beetle, which only inhabit birds' nests, mammals' nests, ants' nests, termites' nests or those of wasps. In ants' nests, rove beetles hunt for their hosts, eat carrion or decimate the hatching ants. Even as migrant guests they are to find amongst hunting ants’ armies where it occurs that they ‘ride’ ants instead of walking. Rove beetle have defence glands, the secretions of whi... | | |
| | Darkling beetles | Darkling beetles (Tenebrionidae), also called darkening beetles are a family of beetles which include approximately 20,000 species worldwide, 70 of which are found in Central Europe. Some examples are: the mealworm beetle, superworm, Blaps mortisaga, Blaps lethifera, Onymacris plana, Namib Desert beetle, Pedinus femoralis, Opatrum s...
... lethifera, Onymacris plana, Namib Desert beetle, Pedinus femoralis, Opatrum sabulosum, Phaleria cadaverina, Diaperis boleti, Scaphidema metallicum, Confused flour beetle, Alphitobius diaperinus, Gnathocerus cornutus and Uloma culinaris.
Darkling beetles are 1 to 100 mm in length. Their body shape varies. They are easily confused with beetles from other families. They range in shape from broad, oval and round to long and flat. The beetle can be completely black in colour, black-brown, brown or reddish-yellow. Some species have dots. While the neck shield is mostly the same breadth, the ...
...e second pair of wings is shortened. The antennae comprise 11 parts. Some species have defence glands at the end of their abdomen with which they can exude malodorous secretions. The beetle larvae are long, round and yellowish in color.
Darkling beetles prefer hot and sandy habitats (deserts, steppes (large areas of flat unforested grassland). They are tyically encountered in dead wood, bark, straw, hay, leaves, tree fungi , abandoned nests, and even in buildings.
Both adult and darkling beet...
... They are tyically encountered in dead wood, bark, straw, hay, leaves, tree fungi , abandoned nests, and even in buildings.
Both adult and darkling beetle larvae are herbivores or omnivores. They often live in in the company of other darkling beetles and feed on rotting plants, seeds, mushrooms or dead insects. Darkling beetles can cause major damage at food warehouses (Larvae of Meal worm beetles). | | |
| | | Dor Beetles - Earth-boring dung beetles | Dor Beetles or Earth-boring dung beetles (Geotrupidae) are a family of beetles. There are approximately 500 species globally , only 10 of which can be found in Central Europe. Examples of species are: Geotrupes stercorarius, Anoplotrupes stercorosus, Geotrupes vernalis and Typhaeus typhoeus.
The beetles are 6 to 26 mm in length. Their bodies range in shape from oval to spherical. They can be black, brown, metallic blue, green or blue green in colour. The male insects wear horns, humps or have deep impressions on their large and curved necks. ...
...hey can be black, brown, metallic blue, green or blue green in colour. The male insects wear horns, humps or have deep impressions on their large and curved necks.
The earth-boring dung beetle lives in forests, steppes and fields.
The adult beetles are active during the day and night. They are clumsy in flight. Adults and larvae feed on faeces, rotten plants and fungi. Some eat leaves, others do not apply to food.
Dung beetles dig complex underground systems of passages (often beside dung). The young are fed and taken care of in individual chambers. | | |
| | All beetles use virtually any organic food source however the larvae have a completely different diet to the adults. Beetles can be classified according to what they eat. There are two types coprophagous and necrophagous. The former feed on excrement (earth-boring dung beetles) and the latter on carrion (Silphidae).
The excretions of both species are from great importance at the remineralization of the soil. Beetles, like all living creatures, are dependent on water. There are species that live under or near the water like hygrophiles or predaceous diving beetles.
Depending on which species they are, beetles fly shorter or longer distances. There are also species that are not capable of flight because (as is the case for most ground beetle species) their wings are missing. There are beetle species producing sounds by moving parts of their bodies. Some beetles are able to generate light (such as fireflies). | | |
| | Leaf beetles | | Leaf beetles (Chrysomelidae) are a large family in the beetle order. In Germany, there are over 470 different species and there are 50,000 species around the world. There are many different kinds of Leaf beetle: Flea beetles, Seed beetles, Tortoise beetles, Chrysomenlinae (Colorado potato beetle, Chrysomela populi, Chrysolina fastuosa), Clythrinae, Criocerinae (Cereal leaf beetle, Common asparagus beetle, Scarlet lily beetle), Cryptocephalinae, Donaciinae (Donacia semicuprea) and Galerucinae (Agelasti... | | |
| | Carrion beetles | | The carrion beetles (Silphidae) are a family of medium-sized beetles, in the order beetles (Coleoptera) and the superfamily Staphylinoidea. The carrion beetles, comprises approximately 320 species and they are found worldwide, especially between the subtropical zones and the polar circle. | | |
| | Willow flea beetle | The willow flea beetle (Crepidodera aurata) belongs to the genus Crepidodera in the order beetles (Coleoptera), the superfamily Chrysomeloidea, the family leaf and flea beetles (Chrysomelidae), and the subfamily Galerucinae (Alticinae). Scientific synonyms for Crepidodera aurata are Disonycha spp. and chalcoides aurata. The willow flea beetle is common in Europe and Asia. This species can be found in every kind of environ...
...erwintering). During this time it is mainly seen on willows and poplars, whose leaves it eats. The willow flea beetle nibbles roundish holes into the leaves.
At age 7-8 months, the willow flea beetle is sexually mature. In June/August the beetles mate. The fertilized females lay their eggs on the leaves of the forage plants of their larvae. The eggs are yellowish and spindle-shaped.
The larvae hatch in summer. They are 5-6 mm long, black and resemble a small slug. The larvae live sociab...
...sh and spindle-shaped.
The larvae hatch in summer. They are 5-6 mm long, black and resemble a small slug. The larvae live sociably on the same host plants (such as willow and poplar trees of the genus Salix or genus Populus) just like the adult beetles and often eat the leaves with the venes of the leaves remaining only. In late summer, the three-month development from egg to adult beetle is complete. The adult beetles overwinter under piles of leaves or in other protected places near the ground.
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| | Longhorn beetles | | Longhorn beetles (Cerambycidae), also known as longicorns or long-horned beetles, are a family within the order beetles (Coleoptera). There are about 26,000 species worldwide, nearly 200 of which occur in Europe. Some examples of longhorn beetle species are: Aegosoma scabricorne, Ergates faber, Tragosma depsarium, Necydalis major, Necydalis ulmi, great capricorn beet... | | |
| | These beetles are diurnal and have a life expectancy of 1-2 months (females about 35 days) and live in heathlands, forests, forest edges, meadows and gardens. In terms of environment, what is important for these beetles is the presence of the plant dock (Rumex) which they eat. The adult beetles seldom fly but they move considerable distances on foot. They are active from March to October. The overwintering beetles from last year first appear in late March/early April after terminating diapause. | | |
| | Lagria hirta | | Lagria hirta is a species in the order beetles (Coleoptera), the suborder Polyphaga, the infraorder Cucujiformia (synonym Chrysomeliformia), the superfamily Tenebrionoidea (synonym Heteromera), the family darkling beetles, also called darkening beetles (Tenebrionidae, formerly known as Lagriidae), the subfamily long-jointed beetles (Lagriinae), the tribe Lagriini, and the genus Lagria. Lagria hirta are widespread and in the temperate zones of Europe and Asia, common. This species is not regarded as endangered. | | |
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