Wild Utah Photos of Butterflies, Mead's Sulphur, Colias meadii meadii, Larvae & Ova - Leidy Peak, Daggett County, Utah, July 04, 2007

Mead's Sulphur, Larva - Colias meadii meadii

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ADULT MALE     ADULT FEMALE     MALE EMERGENCE     PUPA     SPECIMEN
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August 14, 2007 - A larva with variation in markings - shows two dark dots on back of the head
variant with dots on head

Second view of variant with dark dots on the head
larva with dark dots on its head

August 15, 2007 - A larva with variation in markings - shows two dark stripes on neck area
neck stripe variation

August 15, 2007 - lateral view of Fifth Instar #1 that hatched July 12, 2007
larva#1 August 15, 2007

August 15, 2007 - dorsal view of Fifth Instar #1 that hatched July 12, 2007
#1 larva, dorsal view on July 15, 2007

Pre-pupa
August 17, 2007 - Larva #1 pre-pupa
Pre-pupa #1 on August 17, 2007

Photo Details - ©Nicky Davis
Female collected by Todd Stout on July 04, 2007 at 11,500 feet, .5 miles Northeast of Leidy Peak, Dagget County, Utah.

Female laid 62 ova July 7th and 8th on Astragalus cicer. Ova eclosed July 12 - 14th. Ova were whitish, turned orange then blackish-gray. A third of the ova didn't eclose and nine first instars died.

Larvae
Photos of larvae at different stages of development

Ova eclosed in five to seven days
1. New ovum
2. Ovum showing development

Host
for photos of the plant used to rear the Mead's Sulphur, click on
Astragalus cicer

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