During an excursion through Sicily in summer 2007, several sites of lichenological interest in the north of the island were investigated, such as the forests of Ficuzza, the Madonie, Nebrodi, and Peloritani mountains. The new species Zwackhiomyces echinulatus, lichenicolous on Physconia distorta, is described, and a list of 76 taxa is provided. New for Sicily are: Abrothallus bertianus, A. caerulescens, A. parmeliarum, Acremonium rhabdosporum, Arthonia destruens, A. subfuscicola, Cercidospora macrospora, Cladosporium licheniphilum, Cornutispora lichenicola, Dactylospora parellaria, Echinothecium reticulatum, Endococcus exerrans, E. macrosporus, E. rugulosus, E. verrucosus, Intralichen lichenum, Lichenoconium xanthoriae, Lichenopeltella ramalinae, Marchandiomyces aurantiacus, Mixtoconidium canariense, Muellerella atricola, Nectriopsis rubefaciens, Opegrapha rotunda, Paranectria oropensis, Phaeosporobolus alpinus, Phoma epiphyscia, Pronectria echinulata, P. santessonii with its Acremonium anamorph, P. xanthoriae, Pyrenochaeta xanthoriae, Roselliniella atlantica, Sclerococcum montagnei, Sphaerellothecium araneosum, Stigmidium acetabuli, S. fuscatae, S. lecidellae, S. pumilum, S. tabacinae, Unguiculariopsis thallophila, Weddellomyces epicallopisma, and the parasitic lichen Rinodina insularis.