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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Silkworm, Sphinx, and Royal Moths (Bombycoidea) » Giant Silkworm and Royal Moths (Saturniidae) » Buck and Io Moths (Hemileucinae) » Hemileucini » Hemileuca
Photo#1089852
Unknown caterpllar - Hemileuca
Copyright © 2015 Tom Whelan

Unknown caterpllar - Hemileuca
Byfield, Essex County, Massachusetts, USA
June 20, 2015
Size: one inch
Found at Martin Burns WMA. The caterpillar is on the probable foodplant, yarrow (Achillea).
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Contributed by Tom Whelan on 24 June, 2015 - 11:57am
Last updated 24 June, 2015 - 2:33pm

Moved- Hemileuca
Moved from ID Request.

This is probably Hemileuca lucina based on location (H. maia is not currently known from that part of the state), and habitat, this is a pretty wet location where the host plant for H. lucina, meadowsweet, is probably abundant.

This plat that the larva is pictured on is likely not the host plant, or at least not the original one-- later instar larvae tend to wander and consume various other hosts.
… Ryan St Laurent, 24 June, 2015 - 2:33pm login or register to post comments

 
Hemileuca lucina
I've compared some other photos of late instar New England Buck Moth (Hemileuca lucina) and they are similar. Martin Burns WMA is a typical Essex County wet meadow. I didn't notice meadowsweet in this location, but it's a common plant.

I've only seen the early instar caterpillars of New England Buck Moth before, and always on meadowsweet. Thanks!
… Tom Whelan, 24 June, 2015 - 4:54pm login or register to post comments

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