New species members and updated check list of Croatian Sesiid fauna is given in the paper. Data was gathered by thorough review of published literature on this insect group and especially by taxonomical analysis of collections at the Croatian Natural History Museum in Zagreb and Entomological Department at the Municipal Museum of Varaždin. In this paper we have made a check-list of clearwing moths registered in Croatian fauna, their zoogeographical characteristics and distribution for species not so well known for Croatia.New species members and updated check list of Croatian Sesiid fauna is given in the paper. Data was gathered by thorough review of published literature on this insect group and especially by taxonomical analysis of collections at the Croatian Natural History Museum in Zagreb and Entomological Department at the Municipal Museum of Varaždin. In this paper we have made a check-list of clearwing moths registered in Croatian fauna, their zoogeographical characteristics and distribution for species not so well known for Croatia
