FIGURE 6. Plethus ukalegon Malicky and Chantaramongkol 2007 distribution, 3 in First record of Plethus Hagen (Trichoptera, Hydroptilidae) from Japan, with description of a species

FIGURE 6. Plethus ukalegon Malicky and Chantaramongkol 2007 distribution, 3 typical habitats, and case. 6A, distribution shown by circles; 6B, hygropetric zone on wet rock face (Shiramizu, Nagura, Ishigaki-jima, 27 November 2013); 6C, fastflowing stream (Nagura-gawa, Ishigaki-jima, 18 March 2016); 6D, waterfall (Kampire-no-taki, Iriomote-jima, 22 October 2015); 6E, larval and pupal cases attached on rock surface (encircled; Kampire-no-taki, Iriomote-jima, 22 October 2015); 6F, larva in its case, dorsal.