The University of Maine - Home and Garden IPM from Cooperative Extension

Invasive Species

Maine Invasive Species: [información de especies invasoras] [informations sur les espèces invasives]

Asian Longhorned Beetle (no confirmed sightings in Maine as yet)
Brown Marmorated Stink Bug Halyomorpha halys (Stal) (Northeastern IPM Center) An adult of one of these was captured in Old Town on 2/27/2013. See a photo of the specimen and read about the discovery here!
Emerald Ash Borer (no confirmed sightings in Maine as yet)
European Crane Fly (Cornell)
European Red Ant – see also the UMaine site that’s all about this ant! NOTE: The European Red Ant is also called the European Fire Ant; It is an invasive insect in Maine, increasing in its geographical range (particularly in coastal communities) and in its encounters with homeowners. However, these ants are only distantly related to the ‘true’ fire ants found in the southern U.S. and Latin America.
Hemlock Woolly Adelgid
Spotted-wing Drosophila (invasive) (a unique fruit fly native to Asia which has spread from west to east across North America all the way to Maine) (see Fruit Flies)
Winter Moth (UMass Extension) (found in Harpswell, ME – winter, 2011-2012) [see also Control of Winter Moth in New England Blueberries -- UMass] [Bangor Daily story]

Additional Invasive Species Resources:
[información de especies invasoras] [informations sur les espèces invasives]