Common  Wood-Nymph -  Cercyonis  pegala  paludum - Larva

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ADULTS        SPECIMEN      
EMERGENCE     PUPA

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Ova
eggs


Larva Development

Larva #1  on August 21, 2007
1st instar the day after it eclosed from egg.



Dorsal view of first instar - September 23, 2007
dorsal - 2nd instar

Lateral view of first instar - September 23, 2007
2nd instar


Larvae hatched August 20, 2007.  Larva #1 began feeding September 17, 2007- Second  instar  on September 26, 2007
2nd Instar - September 26, 2007
2nd instar


3rd Instar formed September 30, 2007- Photo taken October 2, 2007
3rd instar



Molted to 4th October 6th then to 5th instar on October 12th,  photos taken October 15, 2007
Dorsal
5th instar, dorsal

Lateral
5th instar, lateral




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. 

Ova
August 7, 2007


Larva
Molted to 4th October 6th then to 5th instar on October 12th,  photos taken October 15, 2007
Molted to third instar on September 30th, photo taken October 2, 2007
1. Second instar #1 on September 26, 2007, the same day it molted.
2., 3. Dorsal and lateral views of first instar on September 23, 2007 after it had  been eating for six days.
4.  First instar  #1 August 21st, a day after hatching


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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