Bruchus atomarius
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Bruchus atomarius |
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| Scientific name | ||||||||||||
| Bruchus atomarius | ||||||||||||
| ( Linnaeus , 1761) |
Bruchus atomarius , also known as the wicked seed beetle , is a species from the subfamily of the seed beetles (Bruchinae).
features
The beetles have a body length of 2–3.5 mm. The wings are gray in color and have white spots. They don't cover the whole abdomen . There is usually a light vertical flaw behind the label. At the base of the wing covers there is a small white spot on the 3rd and 5th spaces. Halfway along the length, two indicated cross bars often run across the wing. The four basal antennae are colored orange. The front legs are reddish, the middle and rear legs are gray-black. The underside has short gray hairs. Males differ from females by the thicker rails of the middle legs, which are also curved and slightly twisted, they have a longitudinal furrow on the rear and a short end spur. Furthermore, the males have a pointed tooth on the inside of the central rail above the end pin.
Occurrence
The beetle species is found in the Palearctic . It is widespread in Europe. The distribution area of Bruchus atomarius sufficient in the Middle East and Central Asia to China.
Way of life
The larvae of the beetle species develop in seeds of representatives of the genera of the vetch ( Vicia ) and flat peas ( Lathyrus ) as well as broom ( Cytisus scoparius ). The larvae burrow into the developing seedlings and feed on the fruit. The adult beetles can be seen from May to July.
Natural enemies
The parasitoids of Bruchus atomarius include the ore wasp species Baryscapus bruchivorus and the brackish wasp species Bracon praecox .
Similar species
- Bean beetle ( Bruchus rufimanus ) - larger species, differences in the hairiness of the elytra and the ventral side.
Taxonomy
The following synonyms can be found in the literature :
- Bruchus granarius Linnaeus , 1767
- Curculio atomarius Linnaeus , 1761
Web links
- Bruchus atomarius at www.naturspaziergang.de
- www.kerbtier.de
Individual evidence
- ^ Karl Wilhelm Harde , František Severa : Der Kosmos-Käferführer. The Central European beetle . Franckh-Kosmos, Stuttgart 2000, ISBN 3-440-06959-1 , p. 46 .
- ↑ a b c d e Beetles of Europe - Bruchus . www.coleo-net.de. Retrieved February 24, 2018.
- ↑ a b c d e f g h i Heinz Freude , Karl Wilhelm Harde , Gustav Adolf Lohse (ed.): Die Käfer Mitteleuropas . tape 10 : Bruchidae – Curculionidae 1 . Goecke & Evers , Krefeld 1981, ISBN 3-87263-029-6 , pp. 14 .
- ↑ a b Species Bruchus atomarius (Linnaeus, 1761) . www.coleoptera.org.uk. Retrieved February 24, 2018.
- ↑ Bruchus atomarius at Fauna Europaea
- ↑ Bruchus atomarius . Encyclopedia of Life. Retrieved February 24, 2018.
- ↑ Bruchus atomarius (Linnaeus, 1761) . www.biolib.cz. Retrieved February 24, 2018.