Oeneis chryxus altacordillera
Female Adult Emerging
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SPECIMEN
MALE
ECLOSURE |
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Inflating Wings
Drying Wings
Close-up of head
Close-up of Abdomen
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DETAILS - ©Nicky Davis Set 1 - 2012 LOCATION: Todd Stout located a female 15 June 2012 at Beaver Creek, North of Fairplay, Park County, Colorado elevation 10,900 feet or 3322 meters. Ova: The female 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 larvae. #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. #4 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 Adult female eclosed 5 September 2012 Specimen: Jack Harry pinned the specimen for me. Adult: Unknown Broods: Biennial per "Butterflies of North America" - James A. Scott. 1986 Hibernation: Overwinter as first to third instar the first year and as fourth to sixth instar the second year per "Butterflies of North America"- James A. Scott. 1986 Host: Reared on Carex microptera  |