Abstract
In this study, we report the development of a set of 15 polymorphic microsatellite markers for the box tree moth, Cydalima perspectalis (Walker), a highly invasive insect in Europe causing significant damage to natural and ornamental Buxus trees. The markers were characterized for four distant populations in both its native (China, two populations) and invasive ranges (Czech Republic and Turkey, one population each). The number of alleles ranged from 2 to 12. No marker significantly deviated from the Hardy-Weinberg equilibrium for all the populations sampled. These microsatellite markers are promising tools for further studies on the invasive pathways and dispersal pattern of the box tree moth in Europe.
Highlights
The box tree moth, Cydalima perspectalis (Walker, 1859), is a pest insect native to East Asia
We report the development of a set of 15 polymorphic microsatellite markers for the box tree moth, Cydalima perspectalis (Walker), a highly invasive insect in Europe causing significant damage to natural and ornamental Buxus trees
The larvae feed on leaves and shoots of plants in the genus Buxus, which can result in their death (Wan et al, 2014). This invasive species was first recorded in 2007 in Germany (Krüger, 2008). It quickly spread across Europe causing significant damage in both urban areas planted with ornamental box trees and natural forest stands of Buxus sempervirens (Kenis et al, 2013)
Summary
The box tree moth, Cydalima perspectalis (Walker, 1859), is a pest insect native to East Asia. The larvae feed on leaves and shoots of plants in the genus Buxus, which can result in their death (Wan et al, 2014) This invasive species was first recorded in 2007 in Germany (Krüger, 2008). Since it quickly spread across Europe causing significant damage in both urban areas planted with ornamental box trees and natural forest stands of Buxus sempervirens (Kenis et al, 2013). Most of our knowledge about invasive pathways comes from historical and observational data, which may be incomplete and/or misleading In this context, genetic markers have proved to be efficient tools for disentangling complex invasive pathways. We report the development of a set of 15 polymorphic microsatellite markers for C. perspectalis and characterize the genetic variation for these loci in two native Asian populations and two populations invasive in Europe and Asia Minor
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