Ostrocerca complexa

Ostrocerca complexa (Claassen, 1937) Notes Ostrocerca complexa is commonly referred to as the Notched Forestfly (Stark et al. 2012). This species ranges from Quebec and the Canadian Maritime Provinces south along the Appalachian Mountains to Virginia and West Virginia (DeWalt et al. 2024, Grubbs and Baumann 2023). In New York, adult collection dates range from mid-April to late June (Fig. 18). This species has been collected from elevations spanning 247-569 m asl (Fig. 19) from small spring-fed streams and seeps mainly in Level III Ecoregions Northeastern Highlands (58) and Northern Allegheny Plateau (60) (Fig. 20 a).