Dinoptera collaris
Dinoptera collaris is species of long-horned beetle in the subfamily Lepturinae.
Subtaxa
The following varieties are recognised:Dinoptera collaris var. fulvohirsuta HayrovskyDinoptera collaris var. marginicollis TippmannDinoptera collaris var. nigricollis MulsantDinoptera collaris var. slamai Podaný, 1955Distribution
These beetles are present in most of Europe and in the Near East.Habitat
This species inhabit deciduous forests, especially beech forests and hedge rows.Description
Dinoptera collaris can reach a length of. Elytra are bluish-blackish and rather hairy, with dense puncture. Pronotum is almost spherical, usually orange-red, sometimes dark, with sparse punctuation. Antennae are quite long. The abdomen is orange-red.This species is rather similar to Acmaeops marginatus, Acmaeops pratensis and Acmaeops septentrionis.
Biology
The life cycle lasts two years. The larvae develop under the loose bark, especially of oaks, aspens or apple trees. They are polyphagous wood borers in deciduous trees They overwinter and pupate the following spring.The adult beetles can be found from April to August feeding on pollen of valerians, common hawthorn, elderberry, sweet chestnut and European pear.