Image: A Michigan Department of Natural Resources technician collects a red swamp crayfish from a retention pond in Novi in August 2022. Matthew Clara/ DNR
Water

Michigan trying new approaches against invasive crayfish

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By Elinor Epperson

Researchers are exploring new techniques to remove an invasive crayfish from Michigan waters. The Michigan Department of Natural Resources has been fighting an invasion of red swamp crayfish since they first appeared in the state in 2017. Aggressive attempts to trap and remove the crustacean haven’t worked. Kathleen Quebedeaux, a fisheries biologist with the DNR, said eradicating the invader will require a variety of approaches. “In order to have a more efficient means of achieving eradication, we need other tools in our toolbox,” she said.

Wildlife

Butterflies race for state insect status

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Three butterflies are racing to become Michigan’s official state insect – and one of them is ahead, at least politically. 

The black swallowtail butterfly, a native of Michigan, spends its whole life cycle in the state hibernating as pupa under leaves during winter and hatching in the spring.

Wildlife

Caution urged for holiday travel with dogs due to virus

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With holiday travel approaching, the Department of Agriculture and Rural Development is urging dog owners to be aware of a “mystery illness” that is sweeping the nation.

The illness affects dogs’ respiratory systems, causing an unusual increase in coughing, sneezing, loss of appetite, eye and nasal discharge, fever and lethargy.