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Photo#182105
Cottonwood Leaf Beetle larva and pupa - Chrysomela scripta

Cottonwood Leaf Beetle larva and pupa - Chrysomela scripta
Sand Springs, Osage County, Oklahoma, USA
May 11, 2008
Size: 5mm (3/16")
After further investigation I am now convinced these are Cottonwood Leaf Beetle larva - Chrysomela scripta. See here andand

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Cottonwood Leaf Beetle larva and pupa - Chrysomela scripta Cottonwood Leaf Beetle larva and pupa - Chrysomela scripta Cottonwood Leaf Beetle larva and pupa - Chrysomela scripta

Very nice shots, Sam
I'm not expert enough to confirm/deny - all I can say is they certainly look like leaf beetles. Any chance of collecting a pupa and raising an adult to confirm?

 
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I guess so. I don't know anything about doing that but I can try. How would I go about raising it ?
These are all over the place so it won't be a problem finding one.

 
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Once you have a pupa, you don't have to worry about feeding it, so all you need to do is stick the leaf in a jar with some holes in the lid (so it has enough air and doesn't get moldy). It probably won't take very long... I had some tortoise beetle larvae turn to adults in a jar once, and I never even saw the pupae.

 
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Ok, I'll get a couple when I get home this afternoon.