New outbreak of Anoplophora glabripennis in Switzerland
In Switzerland, Anoplophora glabripennis (Coleoptera: Cerambycidae – EPPO A2 List) had been found in several locations since 2011 and had been declared eradicated from the country in December 2019 (EPPO RS 2020/005).
The NPPO of Switzerland recently informed the EPPO Secretariat of a new outbreak in the municipality of Zell (Canton of Luzern). In August 2022, a citizen reported an infested maple tree (Acer sp.) in his private garden and sent a picture of an adult A. glabripennis to the local authorities. The infested maple tree was subsequently felled, and another infested maple tree was found in a neighbouring private garden. One A. glabripennis larva and one adult beetle were captured. Later in August, another beetle was found and captured in a private garden in the vicinity of the initial finding. Surveys were carried out, and another infested maple tree with four adult beetles was discovered on a front lawn. A preliminary demarcated area was established. Surveys are currently being carried out in order to investigate the extent of the outbreak, and these include the use of sniffer dogs. The infested trees were immediately felled. Host trees without symptoms that are located within 100 m of the infested trees will be felled after the end of the flying period of the pest.
The pest status of Anoplophora glabripennis in Switzerland is officially declared as: Present, under eradication.
Sources
NPPO of Switzerland (2022-09).
Map of the demarcated area: https://lawa.lu.ch/-/media/LAWA/Dokumente/Wald/waldschutz/ALB_Karte_Zell_Zonierung.pdf