New data on the distribution and ecology of Myrmica ravasinii Finzi, 1923 (Hymenoptera, Formicidae)

Myrmica ravasinii Finzi, 1923 was formerly recorded from Balkans, Greece, Turkey, and Transcaucasia. We report the first records of this species from the North Caucasus (North Ossetia-Alania and South Ossetia). The taxonomic position, morphological characteristic, modern distribution and ecology of M. ravasinii are discussed.