Working Document Series Open Access Invasions by insects in Mozambique – a threat to agricultural production and food security D. Cugala · A. Massamby · O. Miguel · L. Santos +1 more Biological invasions or invasive alien species (IAS) are those plants and animals which are introduced, establish and spread outside of their home range, causing economic, social and environmental harm. The term ‘‘biological invasion’’ hig… RUF-36913 2016 CC BY 4.0 15 Sep 2017