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Emerald Ash Borer Found in Fayette and Madison Counties, Iowa

April 5, 2017, 8:02 am | Dustin Vande Hoef, Julie Sparks, Laura Sternweis

The emerald ash borer can now be linked to 45 counties in Iowa as Fayette and Madison counties are the most recent to be added to that growing list. EAB is a destructive wood-boring beetle that attacks and kills all ash tree species. This exotic pest was first discovered in Iowa in 2010.

Bagworms: A Review and a Prediction

The bagworm caterpillar lives its entire life inside a tough protective case made of silk and camouflaging bits of foliage. Each caterpillar makes its own bag that it carries around as it feeds with the head and legs sticking out the open, top end of the bag. As the caterpillar eats and grows the bag is enlarged until by the end of the summer, what started as tiny pods only one-quarter inch long will have grown to almost two inches in length.


Ash-Lilac Borer: A Common Pest in Iowa

In the process of looking for (and not finding) the exotic emerald ash borer, another insect pest of ash trees has been observed: the ash/lilac borer, Podosesia syringae. This native insect is found throughout Iowa and also feeds on lilac and privet.