The taxonomic history, composition, morphology, distribution, and bionomics of the genus Dila Fischer von Waldheim, 1844 are discussed. The following new generic synonymy is established: Dila Fischer von Waldheim, 1844 = Caenoblaps
König, 1906, syn.n. As a result, four species are transferred from Caenoblaps to the genus Dila: Dila difformis (König, 1906), comb.n., Dila nitida (Schuster, 1920), comb.n., Dila baeckmanni (Schuster, 1928), comb.n., Dila kulzeri (Schuster, 1928), comb.n. A new synonymy is established: Blaps kulzeri
Pierre, 1964 = Caenoblaps kulzeriana
Pierre, 1964, syn.n. A taxonomic review of the eight known Caucasian, Turkish and Iranian species is given. Lectotypes of Caenoblaps nitida and Caenoblaps difformis are designated. Three new species are described: Dila hakkarica
sp.n. and Dila svetlanae
sp.n. from the Hakkary Province of Turkey and Dila crenatopunctata
sp.n. from West Azerbaijan Province of Iran. The position of the genus Dila within the tribe Blaptini and subtribal classification are discussed.