A new record of the fossil genus Elasmosomites Brues, 1933 from Baltic amber with an illustrated description of a new species, E. arkadyleleji sp. nov. and the first description of a male of E. primordialis Brues,
1933 are provided. A key to currently known Neoneurini genera is compiled. A new record of fossil braconid larva emerging from an ant worker of Lasius schiefferdeckeri Mayr, 1868 is discussed and a correction
to previous determination of ant hosts from amber is included.