Five new species are described:Ecclisopteryx asterixfrom Austria,Rhyacophila obelixfrom Portugal,Hydroptila idefixfrom Portugal,Ernodes cacophonicfrom Crete andPlectrocnemia abraracourcixfrom Iran. Systematic comments are given on:Ithytrichiacf. bosniaca, Hydropsyche carbonariaandH. erythrophthalma, H. gracilis, H.’natio’borealisandLimnephilus subrufus.—The following new synonymies are stated (the first name is the valid one):Brachycentrus subnubilus= B. caucasicus= B. maracandicus; Limnephilus subnitidus= L. scalenus; Limnephilus bipunctatus= L. barbatus; Limnephilus dispar=L. minusculus.—Distinguishing characters are presented for the females ofPolycentropus flavomaculatus, P. irroratus, P. excisusandP. schmidi.