Well to answer my question of a few months ago, no the chrysalis's do not seem to have hatched for a second brood this year even though there was plenty of green pipevine leaves and warm weather (until now). There is only one chrysalis we could monitor and it appears that the rats have found and eaten it (both ends chomped off the shell laying on the ground below where it was attached to the wall. There is another (we think) way up in a safe spot where we can hardly see it. There ought to be as many as a dozen more hidden about somewhere in the vicinity. -- Paul Furman http://www.edgehill.net san francisco native plants (415) 722-6037
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