Silver-spotted Skipper
Hesperiidae Pyrginae Epargyreus clarus clarus

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Larva Development
Larva in nest of leaves silked together
in nest

Larva on September 5, 2006
Silver-spotted Skipper larva

Larva on September 13, 2006
Larva changed coloring and walked off plant when ready to pupate
Larva changed coloring and walked off plant when ready to pupate

Pupa Development
September 16, 2006
Silver-spotted Skipper pupa

March 5, 2007 -  The day pupa was brought in from winter conditions and set up under spring conditions
The day that this pupa was brought into spring conditions, March 5, 2007

March 25, 2007 - Shows the wing case darkening
pupa on March 25, 2007

March 26, 2007 - Three photos showing development on this date

7:43 A.M.

11:39 A.M.

11:51 A.M.

Pupa - 12:47 P.M.  March 27, 2007 - Dorsal

Pupa - 12:52 P.M. March 27, 2007 - Lateral
Butterfly emerged  28 March 2007

Photo Details - ©Nicky Davis

Todd Stout collected larva on September 2006, along the Kaibab Plateau on highway 89 near Jacob Lake,  Coconino County, Arizona.


in nest

September  5, 2006
1., 2.   Two views of the Silver-spotted Skipper

September 13, 2006
1., 2.  Larva changed color and walked off plant looking for a place to pupate.

1. September 16, 2006 -  Larva ordinarily stay in the rolled leaf nest to pupate. However, this one walked off the plant and had to be placed in a paper roll  covered with  paper tissue where it could safely nest  and pupate.

2. March 5, 2007 - Shows pupa on the day it was transferred from winter  to spring conditions.

3.  March 25, 2007 - Shows pupa darkening after 20 days of spring conditions.

4., 5., 6.   March 26, 2007 - Shows pupa development on the 26th.

7. &  8.  March 27, 2007  - Shows that pupa has turned very dark and the wing markings are clearly visible.  Butterfly emerged March 28, 2007.


Black Locust, Robinia pseudoacacia

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