Midsouth Entomologist 3: 33–38 ISSN: 1936-6019 www.midsouthentomologist.org.msstate.edu Report Butterfly Nectar Plants at Big Oak Tree State Park and Towosaghy State Historic Site, Mississippi County, Missouri. Fothergill, K. 1* and A. Vaughn2 1Conservation Seeding and Restoration, Inc. 506 Center St. West, Kimberly, ID 83341 2 Department of Natural Resources, P.O. Box 176, Jefferson City MO 65101 *Current Address: University of Missouri Delta Research Center, PO Box 160, Portageville, MO. 63873
[email protected] Received: 9-XI-2009 Accepted: 11-XI-2009 Introduction Butterflies are charismatic conservation taxa for reasons of public interest (Pyle 1984, Fox et al. 2006), their role as bioindicators (Hammond and McCorkle 1984, New 1990, Thomas et al. 2004), pollination services (Ehrlich 2003), and prey for other species (Guppy and Shepard 2001). The US endangered species list (USFWS 2009) contains 26 butterflies and two moths—not because moths are in less need of conservation, but because public concern does not extend to what are often cryptic and nocturnal species. The foundation of insect conservation is a basic understanding of species occurrence, distribution, density, biology, and public outreach. Caterpillars are often limited to a single host plant, but adult butterflies utilize a wide variety of plants as nectar sources. For many holometabolous insects, the quality and availability of nutrient resources during the adult stage correlates with fecundity, egg weight, and longevity (Boggs 1997, Mevi- Schütz and Erhardt 2002, O'Brien et al. 2004). Nectar, a primary nutrient source for adult Lepidoptera, varies by plant species in both its carbohydrate and constituent components which can affect fecundity (Romeis and Wäckers 2002).