p. 355 - 357 LA PHOTOPERIODICITEE DE FUCELLIA MARITIMA HAL. DIPTERA, MUSCIDAE Carol G. Nagy Institut Roumain de Recherches Marines Constantza Abstract A short review is made on the development of the detrito-phagous fly, Fucellia maritima, discussing the signifiance of the light wave length of visible spectrum in photoperiodicity of this insect.