Keel-necked weevil
| Keel-necked weevil | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Keel-necked weevil ( Tropiphorus carinatus ) |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Tropiphorus carinatus | ||||||||||||
| ( Müller , 1776) |
The keel-necked weevil ( Tropiphorus carinatus ) is the most common species of the weevil - genus Tropiphorus - in Central Europe .
features
All three native beetles of the genus Tropiphorus are good at their early pronotum recognizable. The keel-necked weevil can be distinguished from the other two species by its longitudinally chilled pronotum. It has a spotty gray-brown to copper color and is scaled light brown. The keel neck weevil reaches a size of approx. 5 to 7.5 mm, whereby the rostrum (= "trunk") is approx. 2 mm long.
Occurrence
The keel-necked weevil (the photo shows Otiorhynchus singularis ) is widespread in Europe with the exception of a few Mediterranean countries and large parts of Eastern Europe and North America.
Way of life
The keel-necked weevil reproduces parthenogenetically in the greater part of its range . The adult animals feed polyphagously on herbaceous plants.
literature
- Jürgen Trautner, Katrin Geigenmüller, Ulrich Bense: Beetles . Neumann-Neudamm, Melsungen 1989, ISBN 3-7888-0529-3 .