Resources

Identification Guide to Boxwood and its Lookalikes

Published on May 12, 2022
This guide will help you identify boxwoods as well as similar-looking plants so that you can tell the difference between them.
Using Bands to Protect Shade Trees from Spongy Moth

Published on May 4, 2022
Hiding bands and barrier bands can help protect individual shade trees from spongy moth, formerly gypsy moth.
Surveying Spongy Moth Egg Masses to Forecast Next Year’s Population

Published on April 27, 2022
Surveying spongy moth, formerly gypsy moth, egg masses, which are present for nine to 10 months every year, provides a means for pest managers to estimate how high a spongy moth population is likely to be the following year.
Spongy Moth Life Cycle

Published on April 27, 2022
Spongy moth, formerly gypsy moth, completes one generation each year. Eggs hatch in spring, typically between early and mid-May in much of Lower Michigan, and in late May or mid-June further north.
A Virus and a Fungal Disease Cause Spongy Moth Outbreaks to Collapse

Published on April 27, 2022
Two diseases that affect spongy moth, formerly gypsy moth, caterpillars are the most important factors causing outbreaks to collapse. One disease is a nucleopolyhedrosis virus (NPV) and the other is a fungus called Entomophaga maimaiga.
Dealing with Spongy Moth Around Your Home or Property

Published on April 27, 2022
Spongy moth, formerly gypsy moth, can be an annoying pest in residential, urban and rural areas as well as forests.
New Name, Familiar Pest: Dealing with Outbreaks of Spongy Moth, Formerly Gypsy Moth - Questions and Answers

Published on April 14, 2022
A spongy moth webinar, part of the NotMISpecies series, aired on April 14, 2022. Viewers submitted questions that have been addressed by the experts who presented the webinar. This document includes the questions and answers, grouped by topic area.
Lymantria Dispar Aerial Survey

Published on November 5, 2021
Lymantria dispar, formerly gypsy moth, aerial survey map for 2021.
Btk: One Management Option for Spongy Moth

Published on October 5, 2021
This publication is designed to answer some frequently asked questions (FAQs) about Bt and spongy moth (Lymantria dispar), formerly gypsy moth.
A Mobile Guide for Weed Identification in Nurseries and Landscapes (E2982)

Published on December 10, 2020
This guide is available as a downloadable PDF that can be easily viewed on your mobile device and includes links that allow you to jump to certain pages of the guide.