抄録
A caenid mayflies, Brachycercus japonicus Gose, 1980, is redescribed and illustrated, and biological notes are given. The adult and egg of this species are described for the first time.
A caenid mayflies, Brachycercus japonicus Gose, 1980, is redescribed and illustrated, and biological notes are given. The adult and egg of this species are described for the first time.