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Keyword: Earth |
Overview - a b c d e f g h i j k l m n o p q r s t u v w x y z |
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| 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 vernal...
...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.
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.
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| | Insects | | Insects live almost everywhere on Earth. They are highly specialized and there are about 30 million different species. Insects can have body sizes from 0.2 to 330 millimeters. What is common to all insects is the highly visible breakdown of the body into three parts: head, chest and ab... | | |
| | | ...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 unde... | | |
| | Wool Carder Bee / Leafcutting Bee (Anthidium manicatum) | | ... use to defend their territory. Female Anthidium manicatum are 11 to 12 mm in length.
The Anthidium manicatum lives on nectar and pollen, which it collects from plants such as Stachys, sage or motherwort. It nests in pre-existing holes in earth, masonry or wood. The females build individual cells for their eggs using pieces of leaves bound together by a substance they secrete. They then supply each cell with pollen or nectar, before introducing an egg into the cell. After egg-laying ... | | |
| | Geotrupes stercorarius | | Geotrupes stercorarius belongs to the family of earth-boring dung beetles. It is found in Europe, Asia and Canada.
Geotrupes stercorarius reach lengths of 16 mm to 25 mm. The face of the beetle is black or black-blue, and the underside is blue, blue-green or blueviolet. The beetles are slightly h... | | |
| | While the males in autumn die after mating, the females overwinter hidden. In spring they dig a nest, which consists of the main course (leading diagonally into the earth) and several short side galleries leading to the cells for the brood. They lay one egg only in each brood cell. The egg is located on a nectar pollen mixture, which (as food for the larvae) also is introduced to the brood cell. In summer the bees of... | | |
| | ...face off the leaves from the underside, leaving only the veins, unlike the adults. eats the leaves from the lower surface by scraping them off. The development of the larvae is complete in 3 weeks (June/July). They pupate in oval spaces in the earth just beneath the surface of the soil, where they remain for 8 to 11 days. In August the beetles of the new generation leave their pupae. | | |
| | ... females lay their eggs, 2-4 mm in length (depending on the species, inside scarab or weevil larvae. The host larva is stung in the neck or chest area and is repeatedly kneaded with the mouth parts (mandibles). The females then build tunnels in the earth, sometimes to a depth of one metre beneath the surface of the soil, and drag the permanently paralyzed host larvae into these, depositing them at the end. The host larva are thus stowed in an "incubator". One egg is placed on each host in... | | |
|  | | Earth-boring dung beetle - Geotrupes stercorarius | | >> Picture |
| |  | | Earth-boring dung beetle - Geotrupes stercorarius - front view | | >> Picture |
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| Frequent Queries: | | Geotrupes stercorarius larva (1) | | | | | | |
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