Papilio eurymedon abberation

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kevinkk
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Papilio eurymedon abberation

Post by kevinkk »

An unusual capture, I didn't realize how different it was until comparing it with the other specimens.
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Re: Papilio eurymedon abberation

Post by bobw »

It's almost like the eurymedon equivalent of fletcheri.
Chuck
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Re: Papilio eurymedon abberation

Post by Chuck »

It's been noted, and published, that in canadensis this type of abberation is most common in the southern extreme of the range, where canadensis butts into glaucus. And, breeding experiments show that this type of abberation can be induced by temperature. Do any of these concepts apply perhaps?
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kevinkk
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Re: Papilio eurymedon abberation

Post by kevinkk »

Chuck wrote: Mon Jul 25, 2022 12:15 pm It's been noted, and published, that in canadensis this type of abberation is most common in the southern extreme of the range, where canadensis butts into glaucus. And, breeding experiments show that this type of abberation can be induced by temperature. Do any of these concepts apply perhaps?
The specimen was captured here in Lincoln county, within sight of the Pacific, at a park inexplicably called the Cascade Head Interpretive Center,
Cascade Head is within sight, and that's about it. Anyway we just discovered this park, and it's a nice place to pick berries as well.
I thought about cold shock, and I don't recall the parameters that induce that condition, I read the post a while ago, we did have some
very cold weather this year, which nearly killed my oleander ,but it was during the winter months, Papilio rutulus is common here, I don't
know butterflies well enough to know if eurymedon and rutulus would hybridize.
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Re: Papilio eurymedon abberation

Post by adamcotton »

Temperature induced melanism in nature can be caused when the freshly moulted, still soft, pupa experiences a sudden drop in temperature. It does not occur as a result of a drop in temperature at other times during pupation.

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Re: Papilio eurymedon abberation

Post by eurytides »

I don’t think rutulus and eurymedon routinely hybridize.

Also, I agree with Adam. See here
https://journals.flvc.org/holarctic/art ... 357/109718
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