Further studies on the caddisflies (Trichoptera) of the water system of rivers Mura and Kerka, Southwest Hungary

74 species were collected during the years 2002–2003, of which eight species proved to be new for the area. A new occurrence of Platyphylax frauenfeldi (Brauer, 1857) was also shown. Along the upper section of the Kerka river a very valuable and vulnerable caddisfly community formed