1 literature reference for Semidalis aleyrodiformis (Stephens, 1836):

Author: Stephens, J. F.
Year: 1836
Title: Illustrations of British entomology; or, a synopsis of indigenous insects: containing their generic and specific distinctions; with an account of their metamorphoses, times of appearance, localities, food, economy .... Mandibulata. Baldwin and Cradock, Lo