Carabus irregularis
Ravine forest ground beetle ( Carabus irregularis )
The ravine forest ground beetles ( Carabus irregularis ) is a type of the Real beetles ( Carabus ).
Features
The ravine forest beetles reaches a body length of 19 to 30 millimeters, making it one of the large species of beetle in Europe. In the basic color of the beetle is copper red to reddish shiny, the wing covers ( elytra ) and the neck plate and the wing edges can vary in color from green to red-violet. The pronotum is wider than long. The irregularly arranged pits point of the elytra are colored golden red or green. The elytra are very flat on the body, the head is relatively large in relation to pronotum and has large, asymmetric mandibles ( Fig. 2). The first two elements of the sensor are colored reddish.
From the closely related species Creutzers beetles (C. creutzeri ) and Fabricius ' beetles (C. Fabricius ) this way differ primarily in details of mouthparts.
Dissemination
The species occurs in Europe, except in Fennoscandia, the Netherlands and the British Isles. It is particularly common in the uplands and mountains over large parts of central and eastern Europe. They will take place from June to September.
Way of life
The ravine forest beetles is native primarily in Bergslagen and is classified accordingly as alpine and montane. He is very closely tied to moist and grew rich beech forests with calcareous, in particular to the forests of the north-facing slopes. There you will find him in Deadwood or under loose bark.
Like most beetles is the ravine forest - carabid a nocturnal predator that feeds primarily on snails and other insects and their larvae. The larvae are predators and develop in dead wood. The new generation hatches in the fall. Overwintering takes place in societies often.