What's That Bug? does not endorse extermination

large moth
June 6, 2010
This insect was clinging to a woody stem that I clipped. There is a lot of leaf litter and mulch in this area, and the camouflage is very good. This was on 6/4/10 about mid-day. The insect never attempted to fly away, and it looks as though part of the cocoon is still on it’s head. It was about 2 inches long, though I did not measure it. I plant lots of natives in my yard and often find interesting insects.
Denver, CO

Achemon Sphinx

Hi Jeanette,
According to BugGuide, the larvae of the Achemon Sphinx feed on grape, Virginia creeper and other vines.  Adults will be attracted to flowers with nectar like honeysuckle and nicotiana.

What's That Bug? does not endorse extermination

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