Spring  White
Pontia sisymbrii sisymbrii
Immatures - Specimen

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OVUM
Located April 24-
Taylor Canyon, Weber County, Utah
Photographed April 25, 2006
April 25, 2006



LARVA   DEVELOPMENT

First Instar - April 26, 2006
first Instar



Second Instar - 5:40 P.M. April 30, 2006
oily droplets on tips of setae
2nd Instar


Third Instar - 8:11 P.M.  May 3, 2006
oily droplets on tips of setae
3rd


Fourth Instar - 10:48 A.M. May 6, 2008
Still has oily droplets on tips of setae
4th instar


Fifth Instar - 11:31 A.M. May 9, 2006
5th instar May 9, 2006


Fifth Instar darkening prior to pupation - #1 at 11:25 A.M. on May 11, 2005
No oily droplets on tips of setae
5th


Fifth Instar darkening prior to pupation  - #1 May 11, 2006 at 12:50 A.M.
5th


PUPA,  May 14, 2006
developing P. sisymbrii sisymbrii



SPECIMEN
Male
Female
Pontia sisymbrii sisymbrii
©Todd Stout

Photo Details - ©Nicky Davis
Ova collected  April 24, 2006 from Taylor Canyon, Weber County, Utah by Todd Stout


Host Plants
Dyer's Woad - Isatis tinctoris
Heartleaf Twistflower - Streptanthus cordatus

Sicklepod Rockcress - Arabis sparsiflora
Tumble Mustard- Sisymbrium  altissimum
Pinnate tansymustard - Descurainia pinnata
Whitetop - Cardaria draba

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