Eya expression in Delta RNAi. (A-C) Eya expression in (A) Wildtype and (B) Delta RNAi. (A) In Wildtype ovarioles, Eya expression is restricted to mitotically active follicle cells (see fig. 4 for details). (B) In Delta depleted ovarioles, Eya expression is severely reduced. Only in the anterior region of the vitellarium, a few follicle cells express Eya at high levels.