The eastern longhorned beetle can be much more devastating to Michigan’s woodlands than the emerald ash borer.

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eastern longhorned beetle. | picture courtesy that Kyle Ramirez

Ever reach because that something top top a save shelf only to find it to be a “generic” brand instead of a significant brand article you were looking for? Sure, we have all done it. Act this in the store is nearly always harmless, however making the exact same mistake when comparing the white-spotted pine sawyer and the eastern longhorned beetle might have devastating aftermath for Michigan’s forests.

Mother Nature produces its own collection of “look-a-like” types that have the right to fool civilization who are otherwise unsuspecting. Because that example, 2 insects that have actually been perplexed for one an additional are different species of beetles that assault trees. This “look-a-likes” space the native white-spotted pine tree sawyer and also the invasive asian longhorned beetle (see picture comparison).

Spot the Difference

At a glance, the white-spotted pine tree sawyer and Asian longhorned beetle perform look similar – particularly because of their large size, dark coloring and long antennae. However upon near inspection, there room differences. The body of the white-spotted pine tree sawyer beetle is browner in color, and also the segment of its antennae space uniform in color and appearance. Also, the white-spotted jaw sawyer has a distinctive white “dot” or spot between its head and at the optimal of its wing covers. This beetle only strikes dead or dice trees, consisting of pines, spruces and also other conifers, and poses no real injury to our Michigan forests. In comparison, the asian longhorned beetle is a black-bodied beetle, and also the segments of the antennae space black and also white in appearance.


Male and also female asian longhorned beetle contrasted to male and also female whitespotted pine sawyer. Photo source:

To date, the oriental longhorned beetle is not well-known to be existing in Michigan however is top top a “High Priority –Not Welcome Here” watch list by Michigan regulation agencies due to the fact that of its ability to kill hold trees. The risk to Michigan posed by this invasive beetle is very severe and also could maybe be much more devastating 보다 the emerald ash borer. This is due to the fact that one of desired hosts the the asian longhorned beetle is street maple – which happens to be a very common tree types across Michigan. Therefore, this is one insect that is definitely NOT welcome in Michigan.

What you have the right to do to help

But you carry out not need to be a trained entomologist to aid Michigan protect against being infested through the oriental longhorned beetle. Michigan occupants are urged to report any suspicious sightings of big beetles that they think look favor the eastern longhorned beetle. In various other words, “if in doubt, provide a shout!”

Two an excellent places to call for aid are your neighborhood Michigan State University extension or conservation District offices in Michigan. Both regional offices have actually resources to assist identify any suspected beetle and also can submit the sample to various other agencies in Michigan through trained entomologists, if needed.

Another way Michigan citizens can help is by coming to be a volunteer v the Michigan eyes on the Forest and also Sentinel Tree Network project. Sentinel Tree volunteers on regular basis monitor the health and wellness of tree on their property and also report the data ago to Michigan State college via the MISIN eye on the forest website.

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This post was released by Michigan State college Extension. For much more information, visit To have actually a digest of information yielded straight to your email inbox, visit To contact an expert in your area, visit, or speak to 888-beer-selection.comE4MI (888-678-3464).