Photos -
©Nicky Davis
22 July 2015 - I received ova from John Richards
and friend Curt who caught the female using a
mercury vapor light on 18 July 2015 near Bear
River Station, Summit County Utah.
Emerged from ova 25 July 2015. They
refused willow but started to feed on aspen
leaves.
Second Instar 28 July 2015
Molted to Fourth Instar 5 August 2015, 37 mm on
6 August
Pupae #1 - Larvae off plant 10 August 2015 and
pupated 12 August 2015
Number of days at each stage
Ova - 3 days
First instars - 3 - 4 days -
Second instars - 5 days -
Third instars - 4 days -
Fourth instars - 5 days -
Fifth instars - 5 days - 50 mm
Larvae moved off plant and refused to eat then
burrowed into a sand/lizard litter mix to
pupate which takes 2-3 days.
Pupae 22-23 mm long - over winter as pupae
Photos of Adult Emerging May 17, 2016
Host Plants reported
Willow
Aspen
Poplar
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