The UMass Extension Landscape Message for September 6th reported that an additional sixteen beetles have been captured since the first Asian longhorned beetle (ALB) of the season was captured on July 21st within the Worcester County regulated area. Continue to monitor not only for the beetle but for other signs as well, including oviposition sites, exit holes, frass, weeping, and maturation feeding. The 13 host genera to monitor are: Acer (Maple), Betula (Birch), Ulmus (Elm), Salix (Willow), Aesculus (Horsechestnut), Fraxinus (Ash), Platanus (Plane Tree), Populus (Poplar), Celtis (Hackberry), Sorbus (Mountain Ash), Albizia (Mimosa), Cercidiphyllum (Katsura) and Koelreuteria (Golden Raintree). Find everything you need to know about ALB, including identification tips, at the MDAR website.
