Volunteering in an area with a lot of common milkweed. There were at least a dozen milkweed plants that each contained at least 8 caterpillars. I have been watching milkweeds and monarchs for many, many years and have never seen this many caterpillars in one area.
[Altered quantity field from 0 to 96 to reflect number in comment by Journey North, 05/25/2022]
Latitude: 41.5 Longitude: -87.9
Observed by: Phyllis
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