Kirk, K.  2003.  Conservation assessment for Henry?s Elfin butterfly (Callophrys henrici) (Grote and Robinson, 1867).  USDA Forest Service, Eastern Region, Threatened and Endangered Species Program, Milwaukee, WI.  44 pp.
http://www.fs.fed.us/r9/wildlife/tes/ca-overview/docs/insect_callophr...

McFarland, K.  2002.  Conservation assessment for White Mountain Butterfly (Oeneis melissa semidea) and White Mountain Fritillary (Boloria montinus montinus).  USDA Forest Service, Eastern Region, Threatened and Endangered Species Program, Milwaukee, WI.  21 pp.
http://www.fs.fed.us/r9/wildlife/tes/ca-overview/docs/insect_oeneis_m...

Olson, S.  2002.  Conservation assessment for Mottled Duskywing (Erynnis martialis).  USDA Forest Service, Eastern Region, Threatened and Endangered Species Program, Milwaukee, WI.  9 pp.
http://www.fs.fed.us/r9/wildlife/tes/ca-overview/docs/insect_erynnis_...

Parshall, D. K.  2002.  Conservation assessment for Olympia Marble butterfly (Euchloe olympia).  USDA Forest Service, Eastern Region, Threatened and Endangered Species Program, Milwaukee, WI.  16 pp.
http://www.fs.fed.us/r9/wildlife/tes/ca-overview/docs/insect_euchloe_...

Parshall, D. K.  2002.  Conservation assessment for the Southern Grizzled Skipper (Pyrgus centaureae wyandot).  USDA Forest Service, Eastern Region, Threatened and Endangered Species Program, Milwaukee, WI.  23 pp.
http://www.fs.fed.us/r9/wildlife/tes/ca-overview/docs/insect_pyrgus_c...

Wolf, A. T. and M. Brzeskiewicz.  2001.  Conservation assessment for Northern Blue Butterfly ? Plebejus (Lycaeides) idas nabokovi Masters and Dwarf Bilberry - Vaccinium caespitosum (Michx).  USDA Forest Service, Eastern Region, Threatened and Endangered Species Program, Milwaukee, WI.  33 pp.
http://www.fs.fed.us/r9/wildlife/tes/ca-overview/docs/insect_Plebejus...

I hope this information is helpful!