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Photo#181766
Unknown caterpillars - Euphydryas anicia

Unknown caterpillars - Euphydryas anicia
Weippe, Clearwater County, Idaho, USA
May 8, 2008
This is a small Caterpillar that i found in my back yard.

Moved
Moved from Checkerspots.

Pretty sure these are Euphydryas,
and am betting that the hose plant was Snowberry Symphoricarpos. Probably this is E. anicia

Moved from Crescents, Checkerspots, Anglewings, etc..

Moved

Looks like perhaps something in the subfamily Nymphalinae
One question. Do you know what plant these were on? It could help to identify them. I can't nail it down, and did think of perhaps Hemileuca or some other Saturniid, but it has that row of tell-tail mid-dorsal spines that are characteristic of Nymphalinae, and absent in early all other groups that have spines (and when present there are usually only one or two at just the front or back).

Gut reaction, maybe some sort of Checkerspot. Euphydryas seems likely, and they do feed on some shrubs in the Scrophulariaceae and Acanthaceae (Snowberry for one).

added 1-28-10

I also thought maybe Nymphalis californica, which feeds on shrubs in the Rhamnaceae, but it doesn't look quite right for that species (too chuncky, pattern a bit off, and spines too thick). Also, I don't think this shrub is likely in that family.

And sorry about asking about the shrub again. On the evening of the 27th, there were no comments showing, and I thought I was the first one commenting. Didn't figure it out until later.

Moved
Moved from Hemileuca.

Moved

hmmm
There are four Hemileuca species in your area. But im not evn 100% it is a species of Hemileuca. Do you know what it was feeding on? That could help narrow it down to less than four species.

 
brush
It was feeding on some short brush that grow around here I am not sure of the name I will try to ask some people and get a picture of it.

 
I think this is actually a bu
I think this is actually a butterfly larvae because 1 inch is too small to be a Hemileuca (and I don't think it is a young one). I think it could more likely be one of the brushfoot butterflies. And the spines dont look like Hemileuca spines.

Can't make out the shape of the spines,
but it has the color pattern of Hemileuca

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