Daily and Seasonal Phenology of the Robber Fly Lasiopogon Currani (Diptera:Asilidae) in St. Lawrence County, New York
Robber flies (Order: Diptera, Family: Asilidae) are members of a widespread family of predacious flies. Lasiopogon currani are a small species within this family, active in late spring to early summer and commonly found perching on exposed sticks or rocks. We conducted daily surveys at Glen Meal State Forest, combined with a mark-resight technique to measure their phenology as well as collect observational data. The first L. currani were surveyed on May 2nd, with the population peaking in abundance on May 9th and plateauing for 9 days before decreasing, with no L.