Phymatiotris quadricollis (Brullé, 1832)
15 mm long Tenebrionidae.
This genus includes now 2 species since the initial variant parallela has been raised to a valid species.
Here the species P. quadricollis, identified based on the original description here (page 64): https://archive.org/details/annalesdelasoc05soci/page/64/mode/2up?q=Phymatiotris
Also photos available here (page 231): https://www.researchgate.net/publication/311844896_Coleoptera_Tenebrionidae_recorded_by_Serge_Peslier_during_recent_entomological_trips_in_Greece_in_French
Similar species: Beetles
Uploaded Mar 15, 2021. Captured Mar 15, 2021 15:09 in Unnamed Road, Distomo Arachova Antikira 320 04, Greece.