No. 1, Third or Fourth Instar weaving a
nest - Located larvae 19
July
2011
No. 2 Fourth Instar - Set to Molt - 19 July 2011
No. 2 Fifth Instar - 22 July 2011
No. 2 Fifth Instar - 22 July 2011
No. 2 Fifth Instar - 22 July 2011
Prepupa in "umbrella" nest.
When
ready to pupate, a larva silks a leaf together upside
down or in an "umbrella" position.
Pupa
Pupa formed 25 July, photo taken on 28 July 2011
Pupa 6:11 A.M.. 2 August 2011
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Pupa 6:11 A.M.. 2 August 2011
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Pupa 1 P.M. 2 August 2011 - Three hours
before adult emerged
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Pupa 1 P.M. 2 August 2011 - Three hours
before adult emerged
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Larva collected 2007
Pupa
- 2007
Pupa 2007
Umbrella nest
Leaf partially sewn into a nest
Photo
Details - ©Nicky Davis
Nicky
Davis & Todd Stout collected two larvae 19 July, 2011 in
Lambs Canyon, Salt Lake County, Utah
These
larvae make a nest by silking onto the edges of a leaf and
pulling the edges together into an upward or "bowl" position.
However, when ready to pupate, a larva silks a leaf together upside
down or in an "umbrella" position.
The
pupa took 8 days to develop and the butterfly to emerge.
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Collected
2007
Todd
Stout collected larva August
10, 2007 on Urtica dioica,
2.5 miles East of Mount Aire, Lambs Canyon which is on the east side of
the Wasatch mountain, Salt Lake County, Utah - 7200 feet.
After
a few days the pupa showed discoloration and was found to have
been parasitized by a fly as a young instar prior to Todd collecting it.
Pupa
1.
pupa was
formed August 16, 2007 after forming a new nest
2.,
3. Pupa August 16, 2007 ( taped to a different stem since the
original was wilted)
Larva
1.
lateral -
August 14, 2007
Nest
was
constructed by silking leaves together
1.
Larva
constructed a nest during the night of August 13, 2007
Host
For
photos of the host plant, click on
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