Scudder's Sulphur, Pupa - 2009 - Colias scudderii scudderii

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FEMALE     MALE     FEMALE  EMERGENCEE 2008      FEMALE  EMERGENCE  2009         MALE  EMERGENCE     LARVA - 2008     LARVA 2009     PUPA 2008     SPECIMEN

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Male Pupa #2  formed 1 May 2009, Photo 8 May 2009

#2 pupa  May 8 2009

Male Pupa #2 8:05 A.M. 9 May 2009
Pupa - 8:05 A.M. 9 May 2009

Male Pupa #2 9:42 A.M. 9 May 2009 - 1 hour 28 minutes before adult eclosed





Photo and other Details - ©Nicky Davis

Two females located by Todd Stout on Murdock Mountain. On July 27, 2008, Jack Harry, Les Davis and I located two females past mm 27 along the Mirror Lake Highway, Duchesne County, Utah.  All females were returned to the same area after we obtained these eggs.
N. 40.40.881, W. 110.55.165
Elevation 10,349 feet

Ova
These females oviposited 160 ova on an unknown Vaccinium  within a couple of days.  They hatched after four days.

Larva
We put the larvae on Salix exigua (Brush Willow)  which they refused to feed on, and all but 50 died.  We  moved the surviving 50 larvae to Diamondleaf Willow, Salix planifolia  which was growing at the same location in which the females were flying.  The larvae fed on that plant just fine.  I kept them under light 24x7, nevertheless they all hibernated except one.

Pupa
A pupa formed August 27, 2008 and butterfly hatched after six days.

Host
The females oviposited on an unknown vaccinium and the larvae fed on  D. Willow - Salix planifolia.  After hibernation, they fed on
Salix exigua.  For photos of the host plant used, click on

Diamondleaf Willow, Salix planifolia
Salix exigua


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