San Diego State University
5500 Campanile Drive
San Diego, CA 92182
Epicauta pensylvanica is a common blister beetle (Meloidae) in the eastern United States and Wisconsin, often found on goldenrod in the fall.
Adults of Gnathium minimum (Meloidae) feed on sunflowers and appear to feed specifically on Helianthus occidentalis in Wisconsin. In Wisconsin, this species appears to be restricted to sandy habitats immediately adjacent to the lower Wisconsin River.
The Hermes copper butterfly (Lycaenidae: Lycaena hermes) is a rare species only found in San Diego County and a couple locations in Mexico. It has been threatened with habitat loss due to urbanization and large-scale wildfires in 2003 and 2007.
Meloe campanicollis (Meloidae) is flightless, with adult activity in the late fall. Some insects, such as the small flies (Ceratopogonidae) shown in this photo are attracted to the toxin (cantharidin) of blister beetles.
Some species of blister beetles (Meloidae) feed on the nectar of flowers. Mouthparts are modified into a sucking tube as seen with this Zonitis vittigera on a black-eyed Susan flower.
Education and Background
Ph.D. Entomology. University of Wisconsin-Madison. December 2012. Dissertation title: “Blister Beetles (Coleoptera: Meloidae) of Wisconsin: Distribution and Ecology.” Advisor, Daniel Young.
M.S. Biology-Ecology Program. San Diego State University. May 2005. Thesis title: “Factors Influencing Population Viability of Hermes Copper (Lycaena hermes).” Advisor, Douglas Deutschman.
B.S. Entomology and Wildlife Ecology. University of Wisconsin-Madison. December 1998.
My research interests include organismal, population and community ecology, specifically addressing questions important to natural resource management and conservation. Developing a better understanding of our native species, populations and communities can be critical for effective and efficient management and conservation efforts. My research background primarily consists of working with insects and birds.
Marschalek, D.A., J.A. Jesu and M.E. Berres. accepted. Impact of non-lethal genetic sampling on the survival, longevity and behavior of the Hermes copper (Lycaena hermes) butterfly. Insect Conservation and Diversity.
Marschalek, D.A. and M.W. Klein. 2010. Distribution, ecology, and conservation of Hermes copper (Lycaenidae: Lycaena [Hermelycaena] hermes). Journal of Insect Conservation. 14: 721-730.
Marschalek, D.A. and D.H. Deutschman. 2009. Larvae and oviposition of Hermes copper (Lepidoptera: Lycaenidae). Journal of Entomological Science. 44: 400-401.
Marschalek, D.A. and D.H. Deutschman. 2008. Hermes copper (Lycaena [Hermelycaena] hermes: Lycaenidae): life history and population estimation of a rare butterfly. Journal of Insect Conservation. 12: 97-105.