Dinoptera collaris is species of long-horned beetle in the subfamily Lepturinae.

[1] The following varieties are recognised:[1] These beetles are present in most of Europe and in the Near East (Albania, Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, France, Germany, Greece, Hungary, Iran, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Russia, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Syria, Turkey, and United Kingdom).

The larvae develop under the loose bark, especially of oaks, aspens or apple trees.

They are polyphagous wood borers in deciduous trees (Quercus, Pyrus, Acer, Fraxinus, Populus, Malus, Cornus etc.)

[5] The adult beetles can be found from April to August feeding on pollen of valerians (Valeriana species), common hawthorn (Crataegus monogyna), elderberry (Sambucus species), sweet chestnut (Castanea sativa) and European pear (Pyrus communis).