Western  White, Immatures  -   Pontia  occidentalis

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Scroll down for all photos of immatures.  For other photos/information, click on

   ADULT  FEMALE     ADULT MALE    ECLOSURE

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Larva Development

Ova hatched May 20th.  Photo of 1st instar on the 21st
photo on June 21,

Young instar on June 06, 2007
young instar on June 06, 2007


Last Instar -Lateral
last instar - lateral

Last instar - Dorsal
last instar

Set to pupate
set to pupate


Pupa

Pupa the day after it formed
pupa

Pupa the day before adult hatched
pupa

Pupa 6 hours before adult hatched
6 hours before adult hatched
Photo Details
Todd Stout found female May 16, 2007, at 4200 feet.  I-215 and 2200 North off ramp, Salt Lake County, Utah

Ova eclosed May 20, 2007 and were then set on Brassica nigra to feed.

Host
For photos of plant used to feed the Pontia occidentalis larvae, click on

 Black Mustard== Brassica nigra

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