Olibrus bicolor
| Olibrus bicolor | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Olibrus bicolor |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Olibrus bicolor | ||||||||||||
| ( Fabricius , 1792) |
Olibrus bicolor is a beetle fromthe smooth beetle family (Phalacridae).
features
The beetles are 2.3 to 3.2 millimeters long. They have an oval, glossy black-brown body. Near the rear end of the wing covers there is a reddish-brown spot, the shape and size of which is variable and which can be partially absent. In contrast to similar species, the spot, if present, has a distinct delimitation. Like all members of the genus Olibrus , Olibrus bicolor has two furrows along the suture of the wing cover . The antennae and legs of the beetles are yellow-brown.
distribution
Olibrus bicolor is a Holarctic species. It is widespread in Europe. They occur in the north as far as England and Scandinavia, in the south across the Mediterranean to North Africa, in the east to Central Asia. In the Nearctic (North America) it occurs in the eastern United States. There the occurrence of the species extends in the south to Florida.
Way of life
The larvae of Olibrus bicolor develop in the flower heads of various composites . The host plants include the common dandelion , the coltsfoot ( Tussilago farfara ) and the tansy ( Tanagetum vulgare ). Typical habitats for the beetles are steppe heather and sunny slopes. The adult beetles are usually seen from late March to August.
Taxonomy
The following synonyms can be found in the literature :
- Sphaeridium bicolor Fabricius , 1792
- Olibrus bicolor var. Obscurus Guillebeau , 1892
- Olibrus dohrni Flach , 1888
- Olibrus gentilis Guillebeau , 1892
- Olibrus lecontei Casey , 1890
Individual evidence
- ↑ a b c d Arved Lompe: Beetle of Europe - Olibrus . coleonet.de. Retrieved November 9, 2019.
- ↑ a b c d Heinz Freude, Karl Wilhelm Harde, Gustav Adolf Lohse (ed.): Die Käfer Mitteleuropas . tape 7 . Clavicornia. Spektrum Akademischer Verlag, Munich 1967, ISBN 3-8274-0681-1 , p. 158 ff .
- ↑ a b c d K. Hurka: Beetles of the Czech and Slovak Republics. Kabourek, Zlin 2005, ISBN 80-86447-11-1 , p. 161.
- ↑ a b c Olibrus bicolor in Fauna Europaea. Retrieved November 9, 2019
- ↑ a b Phalacridae, The Shining Flower Beetles . Department of Agriculture and Consumer Services. Retrieved November 9, 2019.
- ↑ a b c Klaus Koch: Die Käfer Mitteleuropas - Ökologie - Volume 2, Goecke & Evers Verlag, Krefeld, 1989, ISBN 3-87263-040-7 , p. 205.
Web links
- Olibrus bicolor at www.naturspaziergang.de
- www.kerbtier.de