obsolete stage 0 adult true fly_anatomy.ontology The stage immediately prior to emergence. This stage (P15i, Bainbridge and Bownes, 1981) is characterized by the black appearance of the wings, frequent movements of the legs and the presence of the meconium, a pale green patch which appears at the posterior tip of the abdomen. Wings at this stage closely resemble those 87hr after pupariation as described by Tucker et al., (1986). The cuticle is highly folded, and numerous epidermal cell processes containing transalar microtubule arrays span the lumen. FBbt:00005372