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Critter ID - Behavior/Locomotion (indoors or outdoors)

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Did you find your critter indoors or outdoors, and how was it moving?

NOTE: This is not an exhaustive list, but contains those that are more likely to be found or encountered by people in Maine (especially those critters that are considered household pests and/or a nuisance).


Indoors: Flying
Jumping
Walking or Crawling

Outdoors: Flying
Jumping
Walking or Crawling
Swimming

Flying (Indoors):

          

Note: Some of the critters in this list are occasionally discovered flying around inside the home after hitching a ride on something or coming through an open door or window, especially at night while pursuing a light source.


Jumping (Indoors):


Walking or Crawling (Indoors) (several in this list can also fly):

       


Flying (Outdoors):

                  

Maine Forest Service reminder: Don’t transport firewood!


Jumping (Outdoors):

 


Walking or Crawling (Outdoors) (some in this list can fly as well as crawl, such as, for example, lady bugs and cicadas):

                 


Swimming (Outdoors)

  

 

Image Description: a Blow Fly on some flowers

Image Description: Carpenter Ant Queen - winged stage

Image Description: Clothes Moths and 'case-making' larvae

Image Description: Click Beetle

Image Description: Photo of a cluster fly

Image Description: Crane Flies

Image Description: a female Dobsonfly

Image Description: a male Dobsonfly

Image Description: a Drain Fly (also called a Moth Fly)

Image Description: Fruit Flies

Image Description: a Fungus Gnat (adult)

Image Description: Closer view of the Fungus Gnat pictured at left

Image Description: a house fly adult

Image Description: Indian Meal Moth

Image Description: a representative metallic wood-boring beetle

Image Description: Multicolored Asian Lady Beetle

Image Description: a Stonefly adult (a species that emerges in Maine in March)

Image Description: a Western Conifer Seed Bug

Image Description: photo of pair of Whitespotted Sawyer beetles (male on left; female on right)

Image Description: Whiteflies

Image Description: Yellowjacket&Hornet

Image Description: a Cat Flea

Image Description: a cricket (such as this Camel Cricket)

Image Description: A species of Jumping Spider

Image Description:

Image Description: Pavement Ants (very small in size)

Image Description: Carpenter Ants

Image Description: Bed Bugs

Image Description:

Image Description: an American Cockroach

Image Description: Earwigs

Image Description: A Fishing Spider (genus: Dolomedes)

Image Description: Flour Beetles (a pair of Broad-Horned Flour Beetles, dorsal view)

Image Description: German-Cockroach-2017b

Image Description: House Centipede

Image Description: Indian Meal Moth

Image Description: Multicolored Asian Lady Beetle

Image Description: a Larder Beetle (these are often confused with Carpet Beetles)

Image Description: Larder Beetle larvae

Image Description: Silverfish

Image Description: Sowbugs-labeled

Image Description: Spiders, such as this Jumping Spider

Image Description: photo of a deer tick next to a dog tick (both are unfed or non-engorged, and both are beside a US penny for relative size comparisons)

Image Description: Two-Spotted Spider Mites

Image Description: a Western Conifer Seed Bug

Image Description: photo of pair of Whitespotted Sawyer beetles (male on left; female on right)

Image Description: Whitespotted Sawyer beetle (female)

Image Description: Grain Beetles

Image Description:

Image Description: Bella Moth, also called a Beautiful Utetheisa

Image Description: Black Flies

Image Description: a Blow Fly on some flowers

Image Description: Carpenter Ant Queen - winged stage

Image Description: CecropiaMoth

Image Description: a Cicada found in Maine

Image Description: Click Beetle

Image Description: Photo of a cluster fly

Image Description: Crane Flies

Image Description: a Deer Fly

Image Description: a female Dobsonfly

Image Description: a male Dobsonfly

Image Description: an example of a Geometer (Looper) Moth and a US dime for size/scale purposes

Image Description: a Horntail (also called a Wood Wasp) resting on a tree trunk

Image Description: HorseFly-labeled

Image Description: Picture of a katydid (also sometimes called a Long-horned Meadow Grasshopper)

Image Description: a cluster of Japanese Beetles feeding on some leaves

Image Description: May - June Beetle -- labeled

Image Description: Luna Moth

Image Description: pair of adult mayflies (two different species)

Image Description: a representative metallic wood-boring beetle

Image Description: PaintedLady-labeled-101017

Image Description: PaperWasps

Image Description: Powderpost Beetle - Powderpost beetle is a term used to describe any of several species of small (1/8th-3/4th inches long), wood-boring insects whose feeding reduces wood to a fine, flour-like powder, as seen in this picture (this particular specimen has wood powder all over it and all around it as well)

Image Description: a Roundheaded Apple Tree Borer adult

Image Description: a Rose Chafer adult (a type of scarab beetle)

Image Description: Pair of Spotted Wing Drosophila flies (male on left; female on right)

Image Description: a Stonefly adult (a species that emerges in Maine in March)

Image Description: TarnishedPlantBug-labeled

Image Description: photo of pair of Whitespotted Sawyer beetles (male on left; female on right)

Image Description: Whitespotted Sawyer beetle (female)

Image Description: picture of a Wood Cockroach (photographed on Mount Desert Island, Maine)

Image Description: Yellowjacket&Hornet

Image Description: a Candy-striped Leafhopper

Image Description: an adult leafhopper (just as an example of a basic leafhopper)

Image Description: a Leafhopper nymph (shown here on a rose leaf)

Image Description: a cricket (such as this Camel Cricket)

Image Description: Picture of a katydid (also sometimes called a Long-horned Meadow Grasshopper)

Image Description: A species of Jumping Spider

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Image Description: Armyworms

Image Description: Blister Beetles

Image Description: Carpenter Ants

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Image Description: Click Beetle

Image Description: Colorado Potato Beetles (and larvae)

Image Description: some different kinds of cutworms, all pictured together

Image Description: a Fall Webworm caterpillar

Image Description: Forest Tent Caterpillars (these do not build nests in trees like the Eastern Tent Caterpillars do)

Image Description: GypsyMoth

Image Description: a Horned Spanworm (an example of an inchworm/spanworm)

Image Description: Hornworms (both a tobacco and a tomato hornworm together)

Image Description:

Image Description: Millipedes (insect relatives)

Image Description: A Fishing Spider (genus: Dolomedes)

Image Description: Photo of a lace bug adult beside a U.S. penny

Image Description: JumpingSpider3

Image Description: photo of a deer tick next to a dog tick (both are unfed or non-engorged, and both are beside a US penny for relative size comparisons)

Image Description: Ticks (Deer and Dog) Engorged (labeled)

Image Description: Sowbugs-labeled

Image Description: a Tortoise beetle

Image Description: WhiteHickoryTussock-labeled2

Image Description: a Western Conifer Seed Bug

Image Description: photo of pair of Whitespotted Sawyer beetles (male on left; female on right)

Image Description: Whitespotted Sawyer beetle (female)

Image Description: Two Banded Woollybear Caterpillars

Image Description: a Yellow Bear Caterpillar, also called a Yellow Woollybear

Image Description: pair of wireworms in soil

Image Description: WoodCockroach-labeled-c

Image Description: Giant Water Bug (also commonly called a Toebiter)

Image Description: Predaceous Diving Beetle

Image Description: a Water Scorpion

Image Description: pair of Water Striders photographed on Mount Desert Island, Maine

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Contact Information

Home and Garden IPM from Cooperative Extension
491 College Avenue
Orono, ME 04469-5741
Phone: 207.581.3880 or 1.800.287.0279 (in Maine)E-mail: james.dill@maine.edu
The University of Maine
Orono, Maine 04469
207.581.1865