Common
Wood-Nymph - Cercyonis
pegala paludum - Pupa
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ADULT FEMALE EMERGENCE LARVA SPECIMEN
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Pupa Development
#1 Pupa formed October
24, 2007
Butterfly eclosed 12:05 A.M.
November 6, 2007
#1 Pupa - Ventral -
October 24th
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#1 Pupa - Lateral -
October 24th
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#1 Pupa - Ventral - 3:30 P.M. November 5th
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#1 Pupa - Lateral - 3:30 P.M. November 5th
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#1 Pupa - Ventral - 9:50 P.M. November 5th
2 hours 15 minutes before butterfy eclosed
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#1 Pupa - Lateral - 9:50 P.M. November 5th
2 hours 15 minutes before butterfy
eclosed
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#4 Pupa formed
November 10, 2007 with quite different colors in an effort
to blend in with its surroundings.
Some of these pupae were green and some were similar to the
one shown below
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Ventral
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Lateral
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Photo
Details - ©Nicky Davis
Female
collected by Todd L. Stout - August 2, 2007 - Goodenough Creek, 4.6
miles West of McCammon, Bannock County, Idaho. Of 16 eggs, 12
hatched
August 20, 2007. Larva #1 was not placed in diapause for three weeks,
but the others were. #1 began feeding September 17, 2007.
Pupa
On october 21st this
larva stopped
feeding and began swinging it's head around and walking up and
down the grass blades.
It was placed into
a pupation container and formed a pupa at noon on October 23rd.
This caterpillar fed for
about 40 days and the pupa eclosed after
about 13 days.
Description
1 7/8 - 2 11/16 "
Dorsal
Brown with prominent
nearly equal eyespots in the forewing
submargin
in Rs-M1 and in Cu1-Cu2 and may or may not have paler areas
surrounding the eyespots.(This one has a hint of an orange wash about
half way around the eyespots) Females
may also have an eyespot at the anal angle of the hindwing,
larger and
more developed forewing eyespots and may be paler overall.
Ventral
Male
and female may have up to 6 eyespots on the ventral
hindwing which are ringed with yellow. Postmedian dark
band on forewing goes up further than the top eyespot.
Univoltine in the north
but bi or multivoltine in the south.
Hibernation is as first instar larva.
Habitat
They can be
found in grasslands, open woodlands and at edges of
woods up to 10,500 feet
Host
Grasses.
This one was started on Bluegrass.
Time
Spent as
Larva - 40 days
Pupa - 13 days
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