Treasures in Gemstones: Previously Unknown Wasps Found in Prehistoric Amber An entomologist examining wasp specimens in fossilized amber from the Eocene (34–55 million years ago) has identified them as a new species, Brachyelatus marthae, and the first fossil specimens from the chalcid wasp subfamily Chrysolampinae. Entomology Today February 3, 2020 1 Comment