HI! Has anybody ever tried to destroy the vitellin-membrane of drosophila/other insects by chemical means or enzymatically? (the standard devitellinisation does not help in my case) thanks for hints Gregor -- Gregor Bucher, Zoologisches Institut der LMU München 0049/89/5902/444 st2153 at zi.biologie.uni-muenchen.de ----------------------------------