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Invasive Pests

Watchlist

(Not known to be in Maine, but we're looking out for them!)

Bugs

Plant Diseases

Weeds

An "invasive species" is defined as a species that is:

1) non-native (or alien) to the ecosystem under consideration, and

2) whose introduction causes or is likely to cause economic or environmental harm or harm to human health. (Executive Order 13112)

Invasive species can be plants, animals, and other organisms (e.g., microbes). Human actions are the primary means of invasive species introductions." - United States Department of Agriculture

"An invasive species is a non-native species (including seeds, eggs, spores, or other propagules) whose introduction causes or is likely to cause economic harm, environmental harm, or harm to human health. The term 'invasive'; is used for the most aggressive species. These species grow and reproduce rapidly, causing major disturbance to the areas in which they are present." - Invasive.org

 

Other definitions of Invasive Species:	(Wikipedia)
	(The National Invasive Species Council - Clarification and Guidance White Paper) [PDF]

 

Note: This page includes only those invasives that we have already included as "pests" on our site. There are other species that might be considered invasive in Maine.

Watchlist
Asian Longhorned Beetle NOT YET IN MAINE!	Brown Marmorated Stink Bug NOT ESTABLISHED IN MAINE!	Emerald Ash Borer NOT YET IN MAINE!
	Click on image to view full size Click on name for more information
Bugs
Asiatic Garden Beetle	Birch Leafminer	Browntail Moth
Elm Leaf Beetle	European Fire Ant	Hemlock Woolly Adelgid
Japanese Beetle	Lily Leaf Beetle	Multicolored Asian Lady Beetle
Spotted Wing Drosophila	Viburnum Leaf Beetle
	Click on image to view full size Click on name for more information
Plant Diseases
White Pine Blister Rust	Daylily Rust
	Click on image to view full size Click on name for more information
Weeds
Morning Glory (Bindweed)	Purple Loosestrife	Garlic Mustard
Cypress Spurge	Quackgrass	Oriental Bittersweet
Giant Hogweed	Japanese Knotweed
	Click on image to view full size Click on name for more information

 

 

Want to Know More? More Information about Invasive Species

 

[Photos, left to right: (Asian longhorned beetle) Kenneth R. Law, USDA APHIS PPQ, Bugwood.org; (brown marmorated stink bug) David R. Lance, USDA APHIS PPQ, Bugwood.org; (emerald ash borer) David Cappaert, Michigan State University, Bugwood.org; (Asiatic garden beetle) David Shetlar, Ohio State University; (birch leafminer) Cheryl Moorehead, individual, Bugwood.org; (browntail moth) Jan Samanek, State Phytosanitary Administration, Bugwood.org; (elm leaf beetle) Whitney Cranshaw, Colorado State University, Bugwood.org; (European fire ant); (hemlock woolly adelgid) Connecticut Agricultural Experiment Station Archive, Connecticut Agricultural Experiment Station, Bugwood.org; (Japanese beetle) David Cappaert, Michigan State University, Bugwood.org; (lily leaf beetle) Lisa Tewksbury, University of Rhode Island, Bugwood.org; (multicolored Asian lady beetle) Louis Tedders, USDA Agricultural Research Service, Bugwood.org; (spotted wing drosophila) Hannah Burrack, North Carolina State University, Bugwood.org; (viburnum leaf beetle) Paul Weston, Cornell University, Bugwood.org; (white pine blister rust) Joseph O'Brien, USDA Forest Service, Bugwood.org; (daylily rust) Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org; (morning glory) K. George Beck & James Sebastian, Colorado State University, Bugwood.org; (purple loosestrife) John D. Byrd, Mississippi State University, Bugwood.org; (garlic mustard) David Cappaert, Michigan State University, Bugwood.org; (cypress spurge) Todd Pfeiffer, Klamath County Weed Control, Bugwood.org; (quackgrass) Steve Dewey, Utah State University, Bugwood.org; (Oriental bittersweet) Nancy Loewenstein, Auburn University, Bugwood.org; (giant hogweed) Maine Department of Agriculture; (Japanese knotweed) Richard Old, XID Services, Inc., Bugwood.org; ]

It is the policy of the State of Maine to minimize reliance on pesticides. The Maine Department of Agriculture and the Maine IPM Council encourage everyone to practice integrated pest management and to use pesticides only as a last resort. The mention of pesticides in the fact sheets linked to these pages does not imply an endorsement of any product. Be sure that any product used is currently registered and follow all label directions.

 

quick find

• Bed Bugs
• Invasive Pests
• Late Blight of Potatoes/Tomatoes
• Mosquitoes
• Ticks
• What's New?

links

• Maine Board of Pesticides Control
• Maine Center for Disease Control & Prevention
• Maine Department of Agriculture
• Maine Forest Service
• Maine Integrated Pest Management Council
• Maine YardScaping Partnership
• PRO New England
• University of Maine Cooperative Extension IPM for Maine Homeowners
  • • Have Your Pest Identified (Diagnostic Lab)
• USDA APHIS Wildlife Services

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