Purdue Landscape Report: The elm zigzag sawfly (EZS), Aproceros leucopoda, is a non-native insect recently detected in several midwestern states. Originally from eastern Asia, this insect is rarely ...

According to the Indiana Department of Natural Resources, the invasive elm zigzag sawfly is active from April to October and ...

Starting next week, crews will fan out through Worcester County and the rest of Massachusetts to look for the invasive elm zigzag sawfly that’s a threat to the survival of elm trees. Crews will ...