Caloparyphus palaearcticus sp. n. (Diptera, Stratiomyidae), the first record for the soldier fly genus in the Palaearctic

Caloparyphus palaearcticus sp. n. is described from Russia and two localities in Mongolia and is the first representative of this genus in the Palaearctic and the only species found outside the New World. The morphological characters of the species are described and illustrated, and relationships to related species of Caloparyphus are discussed.