male and female darkling beetles diaperis boleti on a tree with fungus

animal animalia arthropod arthropoda austria bark beetle black boleti bug closeup coleoptera color colorful darkling detail details diaperis entomology environment environmental fauna feeding female fungi fungivorous image imago insect insecta insects invertebrate legs macro male mealworm mushroom mushrooms nature nobody orange polyphaga small striped tenebrionidae tree wild wildlife wood