Here we have a bunch of white butterflies. We also grow a lots of Brassicas. Some of the white butterflies don't feed on cabbages, so it is hard to tell if the flour was useful, even if they were flying there that doesn't mean it is their host plants. Hi Jan, these ones were very into the broccoli until I put the flour on, so it was the flour. We may not have the variety of cabbage butterflies that you have. Ours all love the brassicas. And there are wasps which lay eggs in the caterpillars, but first you have to have caterpillars, and now I don't. Ina Auckland New Zealand __________ Information from ESET NOD32 Antivirus, version of virus signature database 4885 (20100221) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com/