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Calyptostoma katyae sp. nov., the first named fossil species of Calyptostomatidae, is described based on a larva from the Eocene (ca. 44-50 Ma) Baltic amber. The syninclusion, a member of Limoniidae found with the newly described species, confirms the host-parasite associations known for the extant members of the family.
Three species of fossil smaridid mites (Parasitengona, Smarididae) are described based on postlarval forms. Fessonia wunderlichi sp. nov., Fessonia grabenhorsti sp. nov. and Fessonia groehni sp. nov. were discovered in Eocene (ca. 44-50 Ma) Baltic amber and the former two also in the probably younger Oligocene (ca. 23-25 Ma) Bitterfeld amber. Although Smarididae has been reported from Baltic (and...