The Concern Palmer amaranth was first discovered in Maryland during the mid-twentieth century, but wasn’t added to the Maryland Noxious Weed Law until 2020. This law prohibits the import and transport of the noxious weed throughout the state and requires infested lands be managed for the eradication of the species. Palmer amaranth is problematic for […]
Be on the look out for Crapemyrtle bark scale in Maryland. A new pest of Crapemyrtle, soybeans and beautyberry.
By Kenton Sumter – Maryland Department of Agriculture. It’s been more than four years since spotted lanternfly (Lycorma delicatula) made its way into the Maryland Invasive Species Council’s Invader of the Month. While some folks may have lost track of it, this pernicious insect has unfortunately been very busy. From its original discovery in Cecil […]
Conium maculatum (Poison Hemlock) Natasha Shangold, City of Rockville nshangold@rockvillemd.gov As we are in the midst of summer, many of us enjoy planting a garden full of fresh veggies and herbs for ourselves and perhaps pollinators, or some of us may even enjoy foraging around. To those who are familiar with the Apiaceae family, these […]
Asian jumpseed – Persicaria filiformis | May 14, 2022 | Maryland Invasive Species Council Contacts: Judy Fulton, EcoPlant Consulting, judy@ecoplantconsulting.com | Sara Tangren, National Capital PRISM Asian jumpseed cultivars are often sold or traded as plants native to Maryland. Plant enthusiasts frequently mistake this foreign interloper for a native due to a history of taxonomic […]
This spring, the Maryland Department of Agriculture (MDA) has begun to raise the knotweed psyllid, Aphalara itadori, for eventual release on knotweed (Fallopia spp) plants in Maryland. The first 500 psyllids arrived in April from colleagues at the Philip Alampi Beneficial Insect lab, the New Jersey state facility, and became the start of the Maryland […]
Jay Kilian, Maryland Department of Natural Resources, Resource Assessment Attention anglers! What lies in your bait bucket has the potential to damage Maryland’s waters and the quality of your most prized fishing hole. Your favorite type of bait may help you catch a big fish, but it may also be an invasive species. Rusty crayfish, […]
Contributor: Tyler McKee, MD Department of Natural Resources We may be under a stay-at-home order, but the natural world is on the move as spring comes into full swing. Unfortunately, that includes invasive species. One invasive threat, that has been on the move in Chesapeake watershed since the 1960s, is invasive catfish. Sightings and catch […]
Contributor: Deborah Landau, The Nature Conservancy, MD/DC chapter, dlandau@tnc.org As temperatures begin to rise and we start looking for signs of spring, don’t be fooled by these little yellow beauties as you stroll through the woods looking for wildflowers. Lesser celandine (Ficaria verna), is a member of the buttercup family and more commonly known as […]
Contributor: Tyler McKee With smooth grey bark and bronze leaves lasting deep into winter, the American beech (Fagus grandifolia), is a popular and easily recognizable tree in the eastern forest. It is an ecologically important tree, as it is one of the lone hard mast producers and a climax species of the northern hardwood forest. […]