Queen Alexandra's Sulphur
 
Colias alexandra edwardsi
Immatures


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OVA
Oviposited 7th - 8th June 2009.
Eggs are white, turning orangish if
fertile then darken  before the larvae emerge

OVA


First instar emerged  12 June, photo on 13 June 2009
1st


Second instar - Photo on 18 June 2009
2nd


Third instar, Photo on 20 June 2009

3rd


Fourth Instar, Dorsal View - photo on 25 June 2009
4th



Fourth Instar, Lateral View - photo on 25 June 2009
larva



Fifth  Instar, Dorsal View - photo on 27 June 2009
5th instar


Fifth Instar, Lateral View - photo on 25 June 2009
5th


Fifth Instar, Close-up of Face- photo on 26 June 2009
ace


Pre-Pupa - Photo on 2 July 2009
prepupa


PUPAE
New pupa #1 on 1 July 2009
new pupa #1 on 1 July 2009 new pupa #1 on 1July 2009

Male Pupa #2 formed on 30 June, photo on 6 July 2009
Pupa #2 on 6 July 2009 Pupa #2 formed 30 June, photo on 6 July 2009

Male Pupa #2 formed on 30 June, photo 9:50 A.M.  7 July 2009
Pupa #2 on 7 July 2009 Pupa #2 formed 30 June, phot 9:50 A.M. 7 July 2009

Male Pupa #2 on 2:57 P.M. 7 July 2009,
about 5 hours prior to adult emerging

#2 Pupa 2:57 P.M. 7 July 2009 5 hours prior to emergence

Female Pupa #12,  7:57 A.M. 10 July 2009,
1:34 hours prior to adult emerging

Female pupa #12 1:34 before eclosure Female pupa 1:34 hours prior to adult emerging


  Photo Details - ©Nicky Davis
LOCATION: Two females located 6 June 2009 by Jack Harry at Black Rock Canyon, Tooele County, Utah
N. 40.01.5706,  W. 112.11.5613
Elevation 6497 feet


DESCRIPTION
Alexandra edwardsii
has a slight pinkish  rim around the discal spot on the under hindwing that is lacking in the alexandra alexandra.  They have some pink in  the fringes, mostly on the underside. 

LIFE HISTORY:
Ovum:  5 days
Larva:  19- 22 days
Pupa:  7 - 8 days
Adult:  unknown
Broods: 1 to 2
Hibernation:  Overwinter as  third instars


LARVAL HOST PLANTS

Astragalus cicer
Astragalus beckwithii - purple-flowered
Astragalus beckwithii - pale yellow-flowered

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