Unravelling the paradox of loss of genetic variation during invasion: superclones may explain the success of a clonal invader.

ABSTRACT: Clonality is a common characteristic of successful invasive species, but general principles underpinning the success of clonal invaders are not established. A number of mechanisms could contribute to invasion success including clones with broad tolerances and preferences, specialist clones and adaptation in situ. The majority of studies to date have been of plants and some invertebrate parthenogens, particularly aphids, and have not necessarily caught invasion at very early stages. Here we describe the early stages of an invasion by a Northern Hemisphere Hymenopteran model in three different land masses in the Southern Hemisphere. Nematus oligospilus Förster (Hymenoptera: Tenthredinidae), a sawfly feeding on willows (Salix spp.), was recently introduced to the Southern Hemisphere where it

SUBMITTER: Caron V 

PROVIDER: S-EPMC4051638 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature