in this confrence the Invasive alien organism influence on native invertebrate fauna and diversity, Invertebrates as followers of invasive and other alien organisms, Native and invasive invertebrates – Competition, Invasive and other alien invertebrates in their non-native distribution range, Invertebrates as biological control agents of invasive organisms, Alien invertebrates – from biological control agents to invasive species, Invertebrates – feeders and parasites of invasive and other alien organisms, all these topics will be discussed.