The Oriental longhorned beetle can be even more disastrous to Michigan’s forests than the emerald ash borer.

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Eastern longhorned beetle. | Photo courtesy of Kyle Ramirez

Ever reach for something on a store shelf only to uncover it was a “generic” brand also instead of a significant brand also item you were looking for? Sure, we have actually all done it. Doing this in the store is virtually constantly harmless, yet making the very same mistake when comparing the white-spotted pine sawyer and also the Oriental longhorned beetle might have terrible consequences for Michigan’s woodlands.

Mvarious other Nature produces its very own collection of “look-a-like” species that have the right to fool civilization that are otherwise unsuspecting. For instance, two insects that have actually been perplexed for one one more are various species of beetles that strike trees. These “look-a-likes” are the native white-spotted pine sawyer and also the invasive Eastern longhorned beetle (view photo comparison).

Spot the Difference

At a glance, the white-spotted pine sawyer and also Eastern longhorned beetle carry out look similar – specifically because of their large size, dark coloring and long antennae. But upon cshed inspection, tright here are distinctions. The body of the white-spotted pine sawyer beetle is browner in color, and the segments of its antennae are unidevelop in color and also appearance. Also, the white-spotted pine sawyer has a distinctive white “dot” or spot in between its head and also at the top of its wing covers. This beetle just strikes dead or dying trees, consisting of pines, spruces and also other conifers, and poses no real injury to our Michigan woodlands. In comparichild, the Asian longhorned beetle is a black-bodied beetle, and also the segments of its antennae are black and also white in appearance.


Male and also female Oriental longhorned beetle compared to male and also female whitespotted pine sawyer. Picture source:

To date, the Oriental longhorned beetle is not known to be existing in Michigan however is on a “High Priority –Not Welcome Here” watch list by Michigan regulatory agencies because of its ability to kill hold trees. The threat to Michigan posed by this invasive beetle is very major and also could maybe be more disastrous than the emerald ash borer. This is bereason among desired hosts of the Asian longhorned beetle is sugar maple – which happens to be an extremely widespread tree species throughout Michigan. Thus, this is one insect that is absolutely NOT welcome in Michigan.

What you deserve to execute to help

But you perform not have to be a trained entomologist to aid Michigan prevent being infested through the Eastern longhorned beetle. Michigan occupants are urged to report any kind of suspicious sightings of big beetles that they think look prefer the Asian longhorned beetle. In other words, “if in doubt, provide a shout!”

Two good areas to contact for help are your local Michigan State College Exstress or Conservation District offices in Michigan. Both neighborhood offices have actually resources to help identify any kind of suspected beetle and can submit the sample to other agencies in Michigan through trained entomologists, if essential.

Another means Michigan inhabitants deserve to aid is by becoming a volunteer via the Michigan Eyes on the Forest and also Sentinel Tree Network task. Sentinel Tree volunteers regularly monitor the health of trees on their property and also report the information earlier to Michigan State College using the MISIN Eyes on the Forest webwebsite.

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This short article was publimelted by Michigan State College Extension. For more indevelopment, visit To have actually a digest of indevelopment yielded directly to your email inbox, visit To contact an skilled in your location, visit, or contact 888-beer-selection.comE4MI (888-678-3464).