Seven new species of gall midges belonging to the genera Strobliella, Campylomyza, Neurolyga, Diadocidia , and Camptomyia are described from the Eocene Rovno amber.
The origin and age of Rovno amber are reviewed. Eight new species of gall midges assigned to the genera Micromyia, Aprionus , and Heterogenella (Micromyiini) and Peromyia and Conarete (Peromyiini) are described from Rovno amber.