One-Eyed Sphinx
Smerinthus cerisyi
Sphingidae

Pupae

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Female pupa shows mark on the fourth segment from the wing case
fw


Male show NO mark on the fourth segment from the wing case
male


Female Top, Male Bottom
Shows difference in antennae, mark on fourth segment and size
male and female



Photos - ©Nicky Davis


Using his mercury vapor light on 10 July 2015, John Richards caught a female One-eyed Sphinx Moth, Smerinthis cerisyi 1/2 mile east of the mouth of South Willow  Canyon, Tooele County, Utah. I received first Instar larvae from John Richards and his friend Curt on 22 July 2015
First instars were first placed on willow which was rejected.  They were then placed back on Aspen leaves and they began feeding.

Second Instar - two molted to second instar on 25 July 2015 - 8 mm
Photo on 26 July 2015 - 11 mm
Third Instar #1 -  3 photos  on 29 July 2015 - 15 mm long
Fourth Instar #1  molted 1st August, photo 6 August 2015 - 30 mm long
Fifth Instar #1 molted 6 August 2015 - 46 mm long
others to 53 mm long
#1Stopped eating and walked off plant 11 August 2015
After walking off the plant they were each placed in a plastic, lidded  container filled with sand and lizard litter to pupate. At the bottom of the container, they each silked a loose nest using some of the lizard litter.
After 3-4 days they pupated.
Female Pupa - 42 mm long
Male Pupa - 38 mm

Reported Host Plants
Willow
Aspen
Poplar

Range
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