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it is weblike material and about foot long from start of web to the sac bottom
Spotted on Jun 27, 2011
Submitted on Jun 27, 2011
2 Comments
http://entomology.unl.edu/ornamentals/pe...
It's a type of webworm, the caterpillars of a moth that build a communal "nest" in their food plant of choice. We have them here in Oregon(USA) too, although ours are on conifers. I couldn't tell you the exact species, but that should give you a start on looking them up