Wagimo signata is a butterfly of the Lycaenidae family. It was described by Butler in 1881. It is found in the Russian Far East (Ussuri, Primor'e), north-eastern and central China, Korea and Japan. Adult hatch in the middle of July. The larvae feed on Quercus species (including Quercus dentata, Quercus serrata, Quercus mongolica, Quercus acutissima, Quercus alinea and Quercus variabilis), as well as Cyclobalanospsis glauca. The larva of the first instar bores into the bud. Later intars feed on flowers and fresh leaves. Pupation takes place inside a shelter which the larvanibble out of the bark.