Sunday, October 14, 2018

More Caterpillars on the Parsley

A black swallowtail caterpillar, Papilio polyxenes. This one is on a parsley plant outside on my porch. It's not the first time I've had swallowtails lay eggs on that plant. A month ago I found a family of them and wrote a blog which you can read by clicking on this sentence. I did not have enough parsley to support that whole family so I set them free in a field of one of their host plants, Queen Anne's Lace. You can read about that by clicking on this sentence. I thought it was all behind me and then this happened -- a new cohort of caterpillars appeared on the same parsley plant. I still don't have enough parsley to support them, so this group will be joining the others in the wildflower field. The caterpillar in the picture above is about an inch long. I spotted them when they were less than a quarter of that. Click to enlarge. 
I hope they can deal with the sudden cold snap. This one has been sitting still in this position since the temperature dropped two days ago. Seems to be holding its face in its hands. Maybe tomorrow when it warms up it will get back to eating and growing. Maybe it is just planning to molt its skin; it is hard to tell what caterpillars are planning, but I know it has to get through a few more stages before it is safely wrapped in its winter chrysalis. 

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