April 7, 2012 2:18 pm
I have monarch caterpillars in my butterfly garden but they all seem to have a problem.Four of them climbed up to my fence and started making their chrysalis then just stopped soon after they split. I am under the understanding that this should only take 10 minutes. I am starting to think they have some kind of parasite but have no idea what to do about it.
Any help would be appreciated. I have a 3 year old that is really excited about them and I just don’t know what to do.
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Many caterpillars have internal parasites that prevent the insect from maturing, but we are unaware of any wasps or flies that prey upon Monarch Caterpillars. We have seen predators like Predatory Stink Bugs kill Monarch Caterpillars, and the result of the predation looks similar to this since Stink Bugs suck the fluids from the body of the caterpillar. We are sorry we have no advice to offer. Perhaps you want to create a habitat for the caterpillars to undergo metamorphosis like this person has done.