Silver green weevil
| Silver green weevil | ||||||||||||
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Silver green weevil ( Phyllobius argentatus ) |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Phyllobius argentatus | ||||||||||||
| ( Linnaeus , 1758) |
The Silver Grünrüssler , Silvery Green Laubholzrüssler or Gold Green leaf rodents ( Phyllobius argentatus ) is a beetle from the family of weevils (Curculionidae).
features
The beetles are 3.5 to 6 millimeters long. Your body is covered with short, elongated scales that are green-gold in color, the actual black basic color remains hidden until the scales wear off. The eyes are flattened, only slightly protruding from the side arch of the head. The trunk is at the base as wide as the head and with this evenly conical towards the front, but only slightly narrowed (subgenus Dieletus). The pronotum is shorter than it is wide. The cover wings are longitudinally grooved, the grooves and also the spaces between the individual chitin plates on the rest of the body are black. The scutellum , unlike the similar Phyllobius arborator, is also scaled, as is the underside of the abdomen, which in turn distinguishes the species from Phyllobius betulinus . The antennae and legs are light yellow to reddish brown, rarely also dark, but also have green-gold scales in addition to hairs. The trunk is short and wider than it is long. It is imperceptibly narrower than the head and curved downwards from the antennae deflections. The thighs ( femora ) of all three pairs of legs have a distinct tooth.
Similar species
- Phyllobius arborator ( autumn , 1797)
- Phyllobius betulinus ( Bechstein & Scharfenberg , 1805)
Taxonomy
The following synonyms are used in the literature :
- Phyllobius budensis Hajóss , 1938
- Phyllobius croaticus Stierlin , 1884
- Phyllobius pineti Redtenbacher , 1849
- Curculio sericeus Piller & Mitterpacher , 1783
- Phyllobius sutorinensis Apfelbeck , 1898
- Phyllobius tenuior Rey , 1894
- Phyllobius tereticollis Gyllenhal , 1834
- Phyllobius viridans Boheman , 1843
Occurrence
The beetles are widespread and common in Europe as far as southern Norway , central Sweden and Finland and Asia , east to Japan . They mainly inhabit hardwoods , rarely also conifers from low elevations up to the mountains. You can find them throughout spring and summer.
Way of life
The diurnal animals usually sit on the leaves of deciduous trees, which are their food. The larvae , which are very reminiscent of fly maggots , live in and on the stems of various wild plants. When they are old enough, they dig into the ground to pupate, the imago only hatches after wintering in the next spring.
literature
- Karl Wilhelm Harde, Frantisek Severa and Edwin Möhn: The Kosmos Käferführer: The Central European Beetles. Franckh-Kosmos Verlags-GmbH & Co KG, Stuttgart 2000, ISBN 3-440-06959-1 .
- Jiři Zahradnik, Irmgard Jung, Dieter Jung et al .: Beetles of Central and Northwestern Europe. Parey, Berlin 1985, ISBN 3-490-27118-1 .
- Heinrich Fleischer: The Beetle Friend. Practical guide to collecting and identifying the beetles. Wilhelm Nitschke, Stuttgart 1896 (Reprint: Unikum Verlag, Barsinghausen 2012, ISBN 978-3-8457-2133-0 ).
Individual evidence
- ↑ Arved Lompe: Phyllobius. March 20, 2018, accessed May 26, 2020 .
- ↑ Phyllobius (Dieletus) argentatus (Linnaeus 1758). Fauna Europaea, accessed May 21, 2007 .
