Present distribution of I. orobica in Switzerland and Italy. Only one location is in the drainage area of the river Rhone (red star), all other locations (red squares) are in the drainage basin of the river Po. The Swiss locations represent areas of 5×5 km with a total of 30 sampling stations (

  Part of: Lubini-Ferlin V, Teufl P, Novotny C, Vuataz L (2023) Description of the larva of Isoperla orobica Ravizza, 1975 (Plecoptera, Perlodidae), with notes on ecology and distribution in Switzerland. Alpine Entomology 7: 205-212.