Adult caddisflies (Trichoptera) collected by a light trap in the Myojin Area in Kamikochi, Chubu Sangaku National Park, Japan

Abstract

There are few reports of caddisfly fauna in Kamikochi because the location is a special protection zone in the national park. The objective of this study is to clarify the species composition of adult caddisflies by a light trap in Kamikochi. In addition, previous records are reviewed in accordance with the objective of this study. The abundance of adult caddisflies was monitored using a light trap late in May of 2010, late July and September in 2011, and mid-May in 2012. We collected 97 adults representing 20 species of caddisflies in the Myojin area of Kamikochi during the investigation periods. Asynarchus sachalinensis Martynov was the dominant species (21.6%), followed by Neophylax japonicus Schmid (20.6%) and Lepidostoma crassicorne (Ulmer) (11.3%). The present study collected 15 species of caddisflies newly recorded from Kamikochi.