Thorny Caterpillars

Question mark butterflies lay their eggs in hackberry and elm trees.

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I just happened to be in the right place at the right time to spot these caterpillars on the underside of an elm leaf.

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The spines would definitely be a deterrent to predators.

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Question mark butterflies have a silver question mark on the underside of their hindwings. Comma butterflies are similar in appearance and have a comma on the underside of theirs.

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Question mark and comma butterflies both have a summer and a fall form. This is the fall form of the question mark. The picture above of the darker one on the rock shows the summer form

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This shows the question mark on its hindwing.

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This picture shows the fall form of the comma butterfly. I couldn’t one that showed the comma on the underneath side.

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4 responses to this post.

  1. I haven’t seen any of these yet. Nice shots!

    Reply

  2. It’s always gratifying when you can connect the butterfly with the caterpillar.

    Reply

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