Newly-recorded species of Dipetra from Ulleungdo. A Neoitamus cothurnatus univittatus (Loew, 1871); B Elachiptera insignis (Thomson, 1869); C Elachiptera sibirica (Loew, 1858); D Muscina levida (Harris, 1780); E Orchisia costata (Meigen, 1826); F Ensina sonchi (Linnaeus, 1767); G Armigeres subalbatus (Coquillett, 1898); H Aedes koreicus (Edwards, 1917); I Aedes galloisi Yamada, 1921; J Aedes albopictus (Skuse, 1894); K Aedes togoi (Theobald, 1907).