Epicata aptera reproduces one generation every year. Adults arise in the last ten-day period of May, mate and lay egg in the first ten-day period of June. They mate and lay egg 1-3 sequence every year, lay egg 108-269 grains every sequence. Period of their laying egg undergoes 48-78 days. Larva have six age period. They take false pupas live through the winter. Complete generations undergo 348-394 days.