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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_callophrys_henrici-HenrysElfinButterfly.pdf>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_melissa_semidea_and_boloria_montinus_montinus-WhMtnButterfly-WhMtnFrittillary.pdf>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_martialis-MottledDuskywing.pdf>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_olympia-OlympiaMarbleButterfly.pdf>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_centaureae_wyandot-GrizzledSkipper.pdf>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_%28Lycaeides%29_idas_nabokovi-NoBlueButterfly.pdf>http://www.fs.fed.us/r9/wildlife/tes/ca-overview/docs/insect_Plebejus... I hope this information is helpful!