Research Article

Observations of Resource Use by the Threatened Diana Fritillary Butterfly (Speyeria diana) in the Southern Appalachian Mountains, USA

Table 1

Feeding observations ( ) of male/female Speyeria diana (2006–2009) in six field sites located across the Southern Appalachian Mountains, and the percentage of total use of each resource. Horse manure and dirt roads were included, as butterflies were observed actively imbibing from these sources.

Nectar sourceGANC-1NC-2SCTNVAPercentage of total

Asclepias syriaca L.5/06/042/130/243%
Asclepias tuberosa L.9/15/17/05/014%
Cirsium spp0/50/93/21/311%
Buddleja L. spp10/44/09%
Solidago spp5/13/12/06%
Echinacea purpurea L.2/04/11/04%
Vernonia spp3/02/13%
Pycnanthemum Michx. 2/01%
Apocynum androsaemifolium L. 0/11/01%
Liatris spp1/00/11%
Monarda fistulosa L.1/00.5%
Horse manure4/04/05/06%
Dirt road1/01/02%