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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comHi, we have found these on the inside of our waterbutt. The body is aprox 1\\\” with a 3-4\\\” \\\”string\\\”. Some are swimming but the majority are attached to the side of our wooden water barrel. Are these an aquatic larva or are they caterpillars that have been washed in?
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[1] https://entomology.ca.uky.edu/ef500: https://entomology.ca.uky.edu/ef500
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1 Comment To "Does Anyone Know What These Are?"
#1 Comment By BushDoctor On 07/05/2023 @ 12:29 pm
I can't see, too clearly, from the photo, but it appears to be a rat-tailed maggot. This would be a drone/hover fly larva, if so. There are a few species, and they are beneficial.
https://entomology.ca.uky.edu/ef500 [1]