Feasibility assessment for the classical biological control of Tamarix in Argentina

Abstract

Saltcedars are woody plants in the genus Tamarix L. (Caryophyllales: Tamaricaceae) and are native to Eurasia and Africa. Several species havebecome invasive in the Americas, Australia and South Africa. In Argentina there are four species of Tamarix distributed in arid, semi-arid and coastal areas of most provinces. The taxonomic isolation of Tamarix spp. in Argentina, their widespread distribution, negative impact to natural areas and lack of impact from existing natural enemies all indicate that Tamarix is an ideal candidate for classical biological control in Argentina. Biological control of Tamarix spp. has been rapid and highly successful in the USA after the introduction of four Diorhabda spp. (Coleoptera:Chrysomelidae). Biological control of Tamarix spp. in Argentina could be implemented easily, rapidly,and at a low cost by utilizing the information developed in the USA