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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Geometrid and Swallowtail Moths (Geometroidea) » Geometrid Moths (Geometridae) » Ennominae » Bistonini » Phigalia » Walnut Spanworm Moth - Hodges#6661 (Phigalia plumogeraria)
Photo#381998
Creepy caterpillar - Phigalia plumogeraria
Copyright © 2010 Natalie McNear

Creepy caterpillar - Phigalia plumogeraria
Marin County, California, USA
March 31, 2010
Size: 15 mm
I found this caterpillar on a Valley Oak. I never see it eat - it mainly just stays in weird positions for long periods of time.
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Contributed by Natalie McNear on 4 April, 2010 - 9:24pm
Last updated 9 September, 2018 - 8:16pm

Moved
Moved from Geometrid Moths. Maybe P. plumogeraria??
… john and jane balaban, 1 December, 2011 - 6:54pm login or register to post comments

We would suggest Phigalia titea
if this were in the east. Don't know what similar species occur in CA
… john and jane balaban, 5 April, 2010 - 9:20am login or register to post comments

 
Thanks!
It does look very similar to the caterpillars in that genus. I'll have to wait and see what it turns into to be sure.
… Natalie McNear, 5 April, 2010 - 11:17am login or register to post comments

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