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Photo#668688
caterpillar on hops vine - Polygonia interrogationis

caterpillar on hops vine - Polygonia interrogationis
Kenora, Ontario, Canada
July 4, 2012
I searched my hops vine as I remember reading that a particular butterfly or moth uses it as a host plant. I can't find that reference online but I did read it. The hops vine is certainly a host plant for SOMEthing as it is riddled with chew holes. I found this and a similar caterpillar on the leaves. The other caterpillar appears to be the same species, different instar, slightly different coloration. I hope it's something interesting!

Images of this individual: tag all
caterpillar on hops vine - Polygonia interrogationis caterpillar on hops vine - Polygonia interrogationis caterpillar on hops vine - Polygonia interrogationis caterpillar on hops vine - Polygonia interrogationis caterpillar on hops vine - Polygonia interrogationis

This is definitely a Question Mark caterpillar
The Comma Butterfly and Satyr (Polygonia comma & P. satyrus) will also be found on Hops, but they are colored differently (all of them are variable in color and pattern, but within limits). These all have branched horns on the head, while the Red Admiral does not. Also, I think the Red Admiral is less like to be on Hops (though it could be). The Green Comma could be on Hops too, but is again colored differently from the Question Mark, and it is much less like to be on this plant.

Moved from ID Request.

unknown caterpillar on hops
I've had a couple of friends email me that they vote for Red Admiral...?

Question Mark, perhaps?


That's strictly a guess--and I've been spectacularly wrong about caterpillars before--so wait for expert confirmation/correction. :)

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