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Photo#4074
Grapeleaf skeletonizer - Harrisina americana

Grapeleaf skeletonizer - Harrisina americana
Florida, USA
June 3, 2004
Size: about 10mm
I noticed the frass before the caterpillars, as they gather on the underside of leaves. I got the ID by googling the host plant, Parthenocissus quinquefolia (Virginia Creeper), plus caterpillar. There are a number of caterpillars with this host but this website UF Featured Creature:Grapeleaf Skeletonizer confirmed the ID.

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Grapeleaf skeletonizer - Harrisina americana Grapeleaf skeletonizer - Harrisina americana