[funkychips]

Marvin, there are some lab companies that sell drosophila culture but largely meant for lab research and university practical courses. My friend used to order some for his small insect-eating geckos. Although they are sold in bulk and may cost a bit expensive. They have a catalog for you to choose, such as winged, wingless, vestigial (small) wing, red eye, white eye etc. It's an ideal bite size for CPs but if the price is a drawback I guess there is no point as we don't need that much flies at one time. Unless you have a CP farm :D