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Browse by Author: Kelly Oten
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Tree-of-heaven (Ailanthus)

By: Ryan Bohannon, Kelly Oten Invasive Forest Pests

This fact sheet covers the identification, impacts, and management for tree-of-heaven (Ailanthus), an invasive plant.

Elm Zigzag Sawfly

By: Kelly Oten, Matt Bertone, Delaney Serpan Invasive Forest Pests

The elm zigzag sawfly is an invasive species first reported in North America in 2020. This fact sheet details what is known about its biology, identification, and management.

Callery Pear: Bradford Pear, Other Varieties, and Their Invasive Offspring

By: Kelly Oten, Courtney Johnson

This publication describes the invasive Callery pear species, its offspring, and how it can harm native ecosystems. It details how to identify these invasive trees and distinguish them from other trees with similar physical characteristics. It also includes information about what landowners should do if they have Callery pears on their property.