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Acta entomologica slovenica, 14 (1), 2006Vrabl & Matis, 1977), C. pyrisuga (Pollini, 1998, Janeæiœ, 1951), Cacopsylla mali(Janeæiœ, 1951), Acizzia jamatonica (Alma & al., 2002, Seljak & al., 2004),Euphyllura olivina (Pollini; 1998, Chermiti, 1992). Some of them are known to beimportant vectors of harmful phytoplasma diseases of crop plants - e.g. Cacopsyllapyri (Lemoine, 1991, Carraro & al. 1998a), C. pyricola (Jensen & al., 1964), C. pruni(Carraro & al., 1998b, Jarausch, 2001), C. melanoneura (Tedeschi & Alma, 2004),C. picta (Frisinghelli & al., 2000; Jarausch & al. 2003).As long ago as 1888 Franz Löw made the most comprehensive overview ofpsyllids occurring in the territory of the former Austrian-Hungarian monarchy,which includes also the territory of the present Slovenia (Löw, 1888). This remainsuntil now the only specialized work dealing with psyllids in the territory ofSlovenia. In that work, 37 species belonging to the family Psyllidae and 14 speciesof Triozidae, collected within the Slovene territory are recorded. Most of the dataLöw included were provided by Franz Then, who collected psyllids in thesurroundings of Lesce (Less) and Bled (Valdes) and by Andor Hensch, who workedand collected in the surroundings of Gorica (Görz, Gorizia). The type material ofat least three species originates from these two collecting areas. The type materialFig. 1: Camarotoscena subrubescens –adult.Fig. 2: Acizzia jamatonica - two adultsand a nymph sucking on leaf of Albiziajulbrissin.Fig. 3: Cacopsylla pyrisuga - nymphsvisited by ants.Fig. 4: Trioza alacris – gall on Laurusnobilis leaf caused by nymphs.12