Sweltsa naica

Sweltsa naica (Provancher, 1876) Notes This species is commonly referred to as the Northeastern Sallfly (Stark et al. 2012). The distribution of S. naica extends from Newfoundland-Labrador, Quebec, and the Canadian Maritime Provinces south to Virginia and West Virginia (Surdick 2004, DeWalt et al. 2024). No life history studies have been conducted on S. naica. Adults have been collected in New York from May to mid-June (Fig. 26) from small upland streams and rheocrenes at elevations ranging from 204-1623 m asl (Fig. 27). This species was commonly collected from Level IV Ecoregions Upper Montane / Alpine Zone (58 j), Catskill High Peaks (58 y), Adirondack High Peaks (58 z), Acid Sensitive Adirondacks (58 aa), Eastern Adirondack Foothills (58 ac), and Central Adirondacks (58 ad) (Fig. 30 b).