Lestes barbarus (Fabricius), a forgotten species in the fauna of Lithuania (Zygoptera: Lestidae)

L. barbarus is added to the odon. fauna of Lithuania based on a forgotten note and 3 new records. The Lithuanian localities are among the northernmost sites in the L. harbarus distribution. Their situation is considered in the context of the pulsating nature of the northern border of its range with relation to climatic changes and wandering tendencies of the sp. The new localities are briefly described, special attention is given to the site of a breeding population.