Kopfhornschröter
| Kopfhornschröter | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Kopfhornschröter ( Sinodendron cylindricum ), male |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Sinodendron cylindricum | ||||||||||||
| ( Linnaeus , 1758) |
The head horn Schröter ( Sinodendron cylindricum ) is a beetle from the family of Schröter . The species is the only representative of its genus in Central Europe, it is characterized by a clear sexual dimorphism .
features
The beetles reach a body length of 12 to 16 millimeters and have a very shiny, black-colored body. The body is cylindrical and the elytra have clear rows of chains . The males have a clearly developed horn on their heads, which is much smaller in the females. In addition, the cavities on the pronotum in the female are much shallower than the clear cavities in the male.
Occurrence
The species occurs with the exception of southwestern Spain and Portugal and northern Scandinavia on the entire European continent and the British Isles to western Siberia. The beetle prefers indigenous deciduous forests in cooler and higher altitudes, but it can also be found in old willows, avenue and street trees and fruit trees.
Way of life
The larvae develop mainly in the white rotten wood of various deciduous trees. The spectrum of proven food plants includes oak , beech , birch , alder , hornbeam , aspen , willow , linden , maple , horse chestnut , ash , mountain ash , apple , cherry , pear , plum and fir . In addition, the species is often associated with the flat lacquer sponge ( Ganoderma applanatum ), the tinder sponge ( Fomes fomentarius ) and the oak fire sponge ( Fomitiporia robusta ). It takes three to four years to develop and pupation takes place in the wood.
The species is rare in Central Europe, it is shown in the Red List of Threatened Species in Germany as "Endangered" (Category 3), only in North Rhine-Westphalia is the species considered "Endangered" (Category 2) and in other federal states as " potentially endangered ". In Baden-Württemberg this species is classified as not endangered.
swell
supporting documents
- ↑ Sinodendron cylindricum in the Red List of Threatened Species .
- ↑ Directory and Red List of Deadwood Beetles in Baden-Württemberg ( Memento of the original from June 19, 2012 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
literature
- Karl Wilhelm Harde and Frantisek Severa: The Kosmos Käferführer: The Central European Beetles. Franckh-Kosmos Verlags-GmbH & Co KG, Stuttgart 1988, ISBN 3-440-05862-X .
- Bernhard Klausnitzer, Eva Sprecher-Uebersax: The stag beetles. 4th, revised edition, Die Neue Brehm-Bücherei Volume 551; Westarp Sciences, Hohenwarsleben 2008, ISBN 978-3-89432-451-3 .
Web links
- Sinodendron cylindricum at Fauna Europaea. Retrieved June 24, 2013