†Rovnoleptochromus balticus sp. nov., a New Upper Eocene Ant-Like Stone Beetle

A leptochromine ant-like stone beetle, †Rovnoleptochromus balticussp. nov., is described, based on an exquisitely preserved inclusion in Upper Eocene Baltic amber from Kaliningrad Region. The holotype specimen reveals novel characters, not observed (presumably because of poorer preservation) in the previously known †R. ableptonoides Jałoszyński & Perkovsky of Rovno, Ukraine: three pairs of thick, long setae on the head (on vertex, near each eye...