Milbert's Tortoiseshell 
 
Nymphalis milberti

Immatures

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These caterpillars silk the leaf together to form a nest
milberti

Nymphalis milberti in nest made on host plant


Larvae on Stinging Nettle located  21 July 2009
 Guardsman Pass, Big Cottonwood Canyon, Salt lake County, Utah
larvae


Larva found July 6, 2006 on Stinging Nettle -
By Donut Falls turnoff -  Big Cottonwood Canyon, Salt Lake County, Utah

9



Larvae found  May 20, 2007 -  Spanish Fork, Utah County, Utah
milbert




Pre Pupa

pre-pupa May 24, 2007



Pupa Development

Pupa #2 formed May 25, 2007
pupa on May 25, 2007
Pupa #4 formed May 31, 2007 - Photo June 7, 2007
pupa #4 on June 7th

Pupa #4 - lateral -  formed May 31, 2007
photo 8:17 A.M. June 8, 2007
About 45 minutes before butterfly emerged

#4 45 minutes before butterfly emerged

Pupa #4 - ventral-  formed May 31, 2007
photo 8:17 A.M. June 8, 2007
About 45 minutes before butterfly emerged

#4 ventral view, 45 minutes before
                            adult emerged



Pupa - from Larvae collected July 6, 2006 by Donut Falls turnoff
Big Cottonwood Canyon, Salt Lake County, Utah
side view of pupa view of pupa view of pupa
                               
Photo Details - ŠNicky Davis
Les Davis, Nicky Davis and Jack Harry  found larvae May 20, 2007 on Stinging Nettle in a field in Spanish Fork
Also Larvae collected  July 6, 2006 -By Donut Falls turnoff -  Big Cottonwood Canyon, Salt Lake County, Utah

Host Plant
Stinging Nettle
 
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