RESEARCHES ABOUT THE LEAF BEETLES (CHRYSOMELIDAE, COLEOPTERA) OF TULCA AREA (BIHOR COUNTY, ROMANIA)

In this work are presented data about the fauna of leaf beetles (Chrysomelidae, Coleoptera) from Tulca area, Bihor county during period 2009 – 2021. There were recorded 69 species belonging to 8 subfamilies, 35 genera, and 10 chromatic varieties. The identified relatively common in Romanian fauna, representing 12.02 % total Romania. Some species, through attacked host plants, can be harmful agriculture forestry: Crioceris duodecimpunctata L., Leptinotarsa decemlineata Say, Chrysomela populi vigintipunctata Scop., Plagiodera versicolora Laich., Gonioctena fornicata Bruggm., Phratora vitellinae Diabrotica virgifera Le Conte, Phyllotretta genus, Crepidodera aurata Marsh., aurea Geoffr. multitude number on a small territory terms surface shows great variety plant with which they feed but also fact that area is unpollued, being an argument for protecting nature future area.