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    Utah State University Extension
    https://extension.usu.edu › pests › research › velvet-longhorned-beetle

    Velvet Longhorned Beetle - USU

    • Learn about the invasive wood-boring beetle that infests trees and wood products in Utah and other states. Find out how to identify, monitor, and manage VLB and its damage symptoms.… 展开

    Life History

    From May to August, adults emerge from trees through ⅜ inch (9.5 mm) round exit holes, which they create by chewing through the wood (Figs. 5 and 6). Adults fly at night; peak flig… 展开

    Utah State University Extension
    Plant Hosts

    VLB can infest apple, cherry, mulberry, peach, and several hardwood, ornamental, and conifer tree species (Table 1). Many tree species may also serve as dry wood (downed logs, w… 展开

    Utah State University Extension
    Injury Symptoms

    Symptoms include round exit holes on the trunk and main branches (Fig. 6); frass (insect excrement) at the base of the tree; peeling bark; larval tunnels within the cambium or woo… 展开

    Utah State University Extension
    Velvet longhorned beetle - Extension at the University of Minnesota
    Extension at the University of Minnesota
    Is there a velvet longhorned beetle in Utah?
    Fig. 1 Velvet longhorned beetle (VLB) adult. Velvet longhorned beetle (VLB) is an invasive wood-boring beetle that is native to Asia and Russia. VLB was detected in Utah in 2010, and is currently found in parts of Utah, Salt Lake, Davis, and Tooele counties.
    extension.usu.edu