Known Hosts: In Asia the Japanese cedar longhorned beetle is considered a secondary pest attacking stressed and freshly cut conifers. Known Asian hosts include Japanese cedar Cryptomeria japonica , Hinoki cypress Chamaecyparis obtusa , Sawara cypress Chamaecyparis pisifera , false arborvitae Thujopsis dolabrata , firs Abies spp. In Connecticut this beetle has been observed in healthy American arborvitae plants Figure 1. In its introduced range in the United States and Europe, hosts include eastern redcedar Juniperus virginiana , American arborvitae Thuja occidentalis , juniper Juniperus communis , and Monterey cypress Cupressus macrocarpa. Description of damage: Small oval exit holes less than 0.
Asian Longhorned Beetle: Update from Ohio
Beetles Found in Michigan | Sciencing
There are two specific native beetles that are easily mistaken for Asian longhorned beetle. The cottonwood borer colonizes poplars and willows and also has a large, shiny black body with white bands or spots. However, there is a lot more white on the bodies of cottonwood borers than on ALB beetles. The antennae of the cottonwood borer also lack the white bands that are typical on ALB antennae. Larval feeding is also different. These native borers feed in the large roots and root collar of trees, and emerge as adults from those roots. There are no large round exit holes on tree trunks or branches.
Confusion with Asian longhorned beetle look-alikes
February 29, - Author: Georgia Peterson , Michigan State University Extension The Asian Longhorned Beetle is a showy, black beetle with distinctive white blotches and long, black and white banded antennae. Getting outside to enjoy some fresh air can be a challenge in the frigid winds and the scenery of bare tree branches. There are some activities that can be done more easily before those leaves start to sprout, however.
A few native beetles are easy to mistake for the invasive Asian longhorned beetle. Here are some ways to spot the difference. August 16, - Author: Georgia Peterson , Michigan State University Extension Look for the alternating black and white bands on the antennae of Asian longhorned beetles. Photo by Kenneth R. Specifically, residents are encouraged to keep an eye out for signs of the extremely destructive Asian longhorned beetle ALB.