Sooty Hairstreak
Satyrium fuliginosum semiluna
Immatures

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Female Eclosure      Specimen

Larvae

#6 - Fourth Instar, 24 June 2009
aarva


#6 - Fourth Instar, 24 June 2009
4th instar


#6 - Fourth Instar, 24 June 2009
4th


#6 - Thoracic Shield - Fourth Instar, 24 June 2009
larva


#6 Last instar, 25 June 2009
last instar


#6 Last instar, 25 June 2009
25th


#6 Last instar, 25 June 2009
last instar


Larva being tended by ants
ants tending


Frass stacked  next to the hole where the nest is located
frass


Parasitism
Photo shows the red-orange colored fly larva  that formed inside this now empty larva
Parasite


Pre-pupa located clustered together in one ant nest
prepupa


Pupa development of #5, the one not parasitized
7:55 A.M. 26 June 2009, Pupa just formed
lateral view of newly formed pupa dorsal view of newly formed pupa

Pupa on 3 July 2009
Pupa on 3 July 2009, lateral view dorsal view of pupa on 3 July 2009

Pupa at 6:47 A.M.,  4 July 2009, 
13 minutes before adult emerged


Pupa at 8:02 P.M., 3 July 2009,
the night  before adult emerged

13 minutes before adult butterfly emerged pupa the night before adult emerged


Habitat
Larvae were located  in this area which is about
1/2  mile north of Coltan Guard Station, Uintah County, Utah
GPS: N. 40.40.542, W. 109.30.949
Elevation: 8482 feet
coltan station

PHOTO DETAILS - ©Nicky Davis
Jack Harry, Jacque Wolfe, Les and Nicky Davis Located immatures  June 18, 2009
LOCATION: 1/2  mile north of Coltan Guard Station, Uintah County, Utah
GPS: N. 40.40.542, W. 109.30.949
ELEVATION: 8482 feet

PHOTOS:
Larvae Development
Larvae are tended by ants inside nests around and in the roots of lupine.
Photo showing an ant with a larva at the entrance of a nest.
Photo showing  frass next to the hole where the nest is located.

Pupa
Six photos showing the development of a pupa

Habitat
A photo of the Coltan Guard Station area

Parasitism
Of the 9 larvae I brought home to rear, only one was not parasitized by flies. 
Photo shows the fly pupa that emerged from a fuliginosum larva.


TIME SPENT AS:
Ova:  unknown
Pupae:  8 days
Brood or  Flight: one each year 
per  James A. Scott "The Butterflies of North America"
Hibernation:  Overwinter as egg  per  James A. Scott "The Butterflies of North America"
Host  Lupinus sericeus

Host Plant
Lupine
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