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Weevil - Sitona gressorius
Weevil - Sitona gressorius


Sitona gressorius
Sitona gressorius is a species in the order beetles (Coleoptera), the family snout beetles or curculios (Curculionidae), and the genus Sitona. This species is widespread in the warmer areas of Europe between the Mediterranean and the Baltic.
Beetle -  Sitona gressorius
Beetle - Sitona gressorius
Adult Sitona gressorius reach body lengths of 7 - 10 mm. Their bodies are covered with shiny dark brown, reddish brown, grey, whitish yellow and ochre scales. Their heads are strikingly narrow and long and bear oval, greenish eyes. A thin, light, well-defined central line is visible on the pronotum; it runs across the joints of the wings, becoming darker and more extended. The front chest scaly before each hip with a vortex. On scutellum the scales radially stand off. The legs are not "toothed".
Sitona gressorius - side face
Sitona gressorius - side face
Sitona gressorius prefer to live in marginal areas, where lupins are naturally present or are grown. Since 1999, they have been occurring on mass in the main lupin production areas in Germany causing extensive damage. The adult beetles feed on the margins of the leaves, especially on young plants, and leave jagged edges like those on stamps, while their larvae feed on the roots of the plants. The leaflets can be completely bitten through (blue lupine). Small and bird's-foot broom are also eaten by Sitona gressorius. In June, the young beetles of the new generation hatch. They often enter residential areas, occurring in houses to such an extent that they constitute a plague.

Sitona (Charagmus) gressorius
German namesGroßer Lupinen-Blattrandkäfer, Großer Lupinenblattrandkäfer, Lupinenblattkäfer
AuthorJohann Christian Fabricius, 1792
Distribution
Continents:

Eurasia
Europe
North Europe (British Isles (United Kingdom (Great Britain)), Germany (West Germany (North Rhine-Westphalia)), Scandinavia (Sweden, Denmark), Fennoscandia (Finland)), South Europe (Italy (Italy Islands (Sicily), North Italy, South Italy), Iberian Peninsula (Spain)), West Europe (France, Benelux (Belgium, Netherlands)), Central Europe (Poland, Czech Republic (Moravia, Bohemia))
Africa
North Africa
Morocco


CountriesBelgium, Czech Republic, Denmark, Finland, France, Germany, Italy, Morocco, Netherlands, Poland, Spain, Sweden, United Kingdom
Taxonomic statusSynonymus of Charagmus gressorius

Description of images / photos
Photography with Cameras
Nikon D3x, Nikon D300, Canon 50D
Image editing with Photoshop
1. Weevil - Sitona gressorius
2. Beetle - Sitona gressorius
3. Sitona gressorius - side face
Quick search: Sitona - Gressorius - Weevil - Beetle - Yellow - Insects
Eat - Plants - Snout - Damage - Beetles - Areas - Feed - Young
Taxonomy
ClassInsecta
Insects, True insects
SubclassPterygota
Winged insects
InfraclassNeoptera
Wing-folding insects
SuperorderHolometabola
Holometabolous Insects
OrderColeoptera
Beetles, Coleopterans
SuborderPolyphaga
Polyphags
InfraorderCucujiformia
SuperfamilyCurculionoidea
Weevils, Snout Beetles and Bark Beetles, Bark Beetles
FamilyCurculionidae
True weevils, Ambrosia beetles, Weevils, Snout Beetles and Bark Beetles, Snout beetles, Amycteridae, Aquatic weevils, Bark beetles, Scout beetles
SubfamilyEntiminae
Broad-nosed weevils
TribeEntimini
SubtribeSitonina
GenusSitona
SubgenusCharagmus
Speciesgressorius
Sitona gressorius
AuthorFabricius, 1792
 Species overview
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Keywords
ABCDEFGHIJKLM
NOPQRSTUVWXYZ
German Flag Großer Lupinenblattr ...
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