Allocapnia curiosa Frison 1942

Allocapnia curiosa Frison, 1942 Notes Allocapnia curiosa is commonly referred to as the Peculiar Snowfly (Stark et al. 2012). This species has been reported from New York south to Kentucky and Virginia (Ross and Ricker 1971, DeWalt et al. 2024). Ross and Ricker (1971) reported this species from high-gradient, cool semi-montane streams of moderate size, including seven New York localities (their fig. 98) with emergence dates ranging from late January to mid-April but with no detailed collection data. In New York, adults have been collected from mid-February through late March (Fig. 7). This species has been reported in New York from streams at lower elevations (161-512 m asl; Fig. 9) from Level IV Ecoregions Catskill High Peaks (58 y), Catskills Transition (60 c), and Unglaciated High Allegheny Plateau (62 d) (Fig. 10 a).