Ilindle leentaka, iintsiba, ukuphaphazela nokuphaphatheka – amahobe, amagwababa nezinye iintaka zinokuba sisitshabalalisi esipheleleyo ukuba zigqibe kwelokuba zisebenzise iicanopies, ii-balcony railings, carports okanye iifestile njengeendawo ezihlala kuzo. Ziyakwazi nokuthwala ii-parasites kunye ne-pathogens.