Summer 2014 MAP Research Jackie Brown Interest: Connecting evolution with ecology. Methods: Studies of morphology, behavior, ecology, molecular population genetics, and phylogeny • Damselflies • N. American Jewelwings (Calopteryx spp.) • Endemic Hawaiian radiation (Megalagrionspp.) • Ants • Allegheny Mound Ant (Formica exsectoides)
Team Damselfly • Project 1 – Larval ecology of Megalagrionspecies • Collaboration with Idelle Cooper ‘01 (James Madison University • Training in damselfly ecology and behavior at Mt. Lake Biological Station, VA • 3-4 weeks of field work at Waikamoi TNC preserve, adjacent to Haleakala NP, Maui. • Major questions: What is the larval niche overlap between two species (M. calliphya and M. hawaiiense)found sympatrically? Do adults defend territories and oviposit according to larvalabundances?
Jewelwing damselflies Calopteryx aequabilis Calopteryx maculata males females
C. aequabilis C. maculata Reproductive character displacement in female wing color
Team Damselfly • Project 2 – Population structure of N. A. Calopteryx species • Collaboration with Idelle Cooper ‘01 (James Madison University • Training in damselfly ecology and behavior at Mt. Lake Biological Station, VA • Field collections and screening of populations using microsatellites (developed by European Calopteryxresearchers and tested by Spring 2013 Bio 373 students) • Major questions: Do two species have different population structures (caused by different larval niche breadth)? • Will set basis for future studies of species hybridization
Team Ant (3 students) • Formica exsectoides (Allegheny mound ant) • Demonstrates supercoloniality – extreme form of cooperation among non-relatives • Unicoloniality (populations a single supercolony) is usually associated with ecologically successful invasive species (e.g. the Argentine ant) • Builds on projects of many students in Bio 150/240 and MAPs • Clare Gunshenan’14 Fall 2013 MAP demonstrated lack of supercolony border at distances of greater than 100k. • Summer goals: • Increase geographic sampling to eastern part of range (Appalachian Mtns.) • Correlation of genetic structure, behavior, and chemical signatures (co-advised by Leslie Lyons) www.alexanderwild.com
Summer 2014 MAP Research Jackie Brown Qualifications: • Interest in questions of ecology and evolution • Equally comfortable (or at least happy) in field and lab; fit to walk and work in cold/wet/high altitude conditions (for Hawaii project). • Bio 251-252 preferred Indicate your interest by signing up on the sheet outside my office door (Noyce 1204). I will contact you about group and/or individual meetings to provide more information.