DETAILS - ©Nicky Davis
Set 1 - 2012
Todd Stout located a female 15 June 2012 at Beaver
Creek, North of Fairplay, Park County, Colorado
elevation 10,900 feet or 3322 meters.
oviposited on the net of the
container holding a potted sedge. 19 June to 24th
June 2012 - One hatched 30 June 2012. Eight others hatched over the
next few days - 11 days as ovum.
Thirty-three eggs were laid and only 9 hatched - 27 per cent.
Larvae: Larvae refused Reed Canary Grass - Phalaris arundinaceae and Blue Grass -
Poa Pratensis. Number one was kept under continuous
light. Number one molted to second instar 7 July 2012 - 6
mm - Seven days as first instar. Number one molted to third
instar 15 July 2012 - 10 mm long - Eight days as second instar. #1
Molted to Fourth Instar 21 July 2012 - 6 days as third instar. (
#1 fourth instar seems to have gone into hibernation as of 30 July 2012
. No frass since then. The larvae that didn't hibernate fed
as 5th instar for about 37 days for a total of 60-66 days as
#3 Molted to fifth instar on 30 July 2012 and attained a maximum length
of 30 mm on 9 August 2012. #3 then became shorter and wider and
was 27 mm on 11 August when it stopped feeding and left the
plant. It was placed on a
damp circle of paper towel in a cello cup and pupated between 10
P.M. 14 August and 7 A.M. 15 August.
molted to fifth instar on 30 July
2012 - 25 mm long as of 2 August 2012. #4 spent 8 days as fourth
instar (22nd to 30th of July). #4 has also been kept under lights
continuously. Total time as larva was 66 days.
#5 Hatched 2 July 2012, molted to second instar after 7
days on 9 July, molted to third instar after 7 days on 16 July,
molted to fourth instar after six days on 22 July, molted to fifth
instar after nine days on 31 July, attained a maximum length of 29
mm on 16 July became shorter and shorter then left the
sedge on 22 August at 22 mm long.
Pupae: 10 days from the day the pupae form until the adults emerge
Broods: Biennial per "Butterflies of North America" - James
A. Scott. 1986
Specimen: Jack Harry pinned the specimen for me.
Hibernation: Overwinter as first to third instar the first
and as fourth to sixth instar the second year per "Butterflies of North
America"- James A. Scott. 1986
on Carex microptera