Dark-veined Spring White
Pontia sisymbrii nigravenosa
Immatures

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Adult Male     Specimen


OVA
First Day - April 27, 2006
ovum


Showing Development April 28, 2006
ovum


Ready to emerge - April 30, 2006
ovum

LARVA

First Instar - April 30, 2006
larva


First Instar - May 03, 2006
1st


Second Instar - May 09, 2006
2nd


Third Instar
- May 13, 2006
3rd


Fourth Instar set to molt to Fifth Instar - May 18, 2006
4th


Fifth Instar - May 19, 2006 - from the ova collected April 27, 2006
5th


Fifth Instar May 19, 2006
5th


Pre-Pupa
Larva forming pupa  on May 22, 2006- from the ova collected April 27, 2006
pre


Pupa from the ova collected April 27, 2006
Photo on June 03, 2006
pupa
pupa


Pupa from Deep Creek Canyon showing development
showing development showing development


Photo Details - ©Nicky Davis

Ova collected by Todd Stout  from the host plant Streptanthus cordatus in April 27, 2006 at 6000 feet  by Spring Creek, West  Northwest of  the  Rodeo Grounds, Cedar Fort, Spring Creek,  Utah County, Utah.

Pupa photos from the ova collected April 27, 2006
Pupae were set in winter conditions June 14, 2006 and brought back into spring conditions on October  14, 2006.

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Pupa from larva collected  at Deep Creek Canyon, Juab County, Utah
1., 2.  Pupa just before butterfly emerged.

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Characteristics
Adults 1 3/4  to 2 inch wingspan


Host Plants
Dyer's Woad - Isatis tinctoria
Heartleaf Twistflower - Streptanthus cordatus
Sicklepod Rockcress - Arabis sparsiflora
Tumble Mustard - Sisymbrium altissimum
Pinnate Tansymustard - Descurainia pinnata
Whitetop - Cardaria draba (not photographed

Pronunciation
Sis-IM-bree-eye

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