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Home > Pests and Beneficial Organisms Found in Lawns and Yards

Pests and Beneficial Organisms Found in Lawns and Yards

     Bugs
     Diseases
     Other Critters
     Weeds
     Beneficial Organisms Sometimes Considered Pests

Bugs

chinch bug damage on lawn

Chinch Bug

sod webworm larvae

Sod Webworms

white grubs

White Grubs

     

yellow ants

Ants

deer tick nymph and adults

Ticks

yellowjacket

Bees, Hornets and Wasps

     

jumping spider

Spiders

armyworm moth larva

Armyworms

Cluster Flies

     

crane fliesCrane Flies (see Leatherjackets)

army cutworm larva

Cutworms

earwig

Earwig

     

fall armyworm larvae

Fall Armyworm

leatherjacketsLeatherjackets (see Crane Flies)

adult mosquito

Mosquitoes

     

snowfleasSpringtails and Snowfleas

 

 
Didn't find what you were looking for? More Help with Bug Identification
Perhaps your bug isn't a pest. Learn about Beneficial Organisms

Diseases

fairy ring

Fairy Rings

turf rust

Rusts

gray snow mold

Snow Molds

Other Critters

mole damage

Moles

Voles

chipmunk

Chipmunk

     

gray squirrel

Squirrels

Woodchuck (Groundhog)

raccoon

Raccoon

     

porcupine in tree

Porcupine

skunk

Skunk

deer in field

Deer

     

Canada Geese with young

Canada Geese

turkeys in field

Turkeys

woodpecker

Woodpeckers

     

sparrow in tree

Sparrows, Crows, Starlings

northern ringneck snake

Snakes

slug

Slugs and Snails

     

Spiders

   
Didn't find what you were looking for? More Help with Critter Identification

Weeds

Canada thistle flower

Canada Thistle

vetch

Vetch

morning glory

Morning Glory (Bindweed)

     

purple loosestrife

Purple Loosestrife

creeping charlie

Creeping Charlie

chickweed

Chickweed

     

garlic mustard

Garlic Mustard

hairy galinsoga

Hairy Galinsoga

woodsorrel

Woodsorrel

     

purslane

Common Purslane

sowthistle

Sowthistle

dandelion

Dandelion

     

cypress spurge

Cypress Spurge

yellow nutsedge

Yellow Nutsedge

quackgrass

Quackgrass

     

crabgrass

Crabgrass

ragweed

Ragweed

Shepherd's Purse

Shepherd's Purse

     

lambsquarters

Lambsquarters

pigweed

Pigweed

common plantain

Plantain

     

Oriental bittersweet

Oriental Bittersweet

poison ivy

Poison Ivy

giant hogweed

Giant Hogweed

     

Japanese knotweed

Japanese Knotweed

field horsetail

Field Horsetail

 

Didn't find what you were looking for? More Help with Weed Identification
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Beneficial Organisms Sometimes Considered Pests

yellow ants

Ants

yellowjacket

Bees, Hornets and Wasps

spiders

Spiders

 

Didn't find what you were looking for? More Help with Pest Identification
Want to Know More? Links to More Information about Healthy Lawns

 

 

 

[Photos, left to right: (ants) Howard Ensign Evans, Colorado State University, Bugwood.org; (armyworm) North Carolina Forest Service Archive, Bugwood.org; (bees, hornets and wasps) Gary Alpert, Harvard University, Bugwood.org; (chinch bug); (cluster flies); (cutworms) Frank Peairs, Colorado State University, Bugwood.org; (crane flies/leatherjackets) David Cappaert, Michigan State University, Bugwood.org; Janco Tanis, jancology.com, Bugwood.org; Canadian Forest Service Archive, Canadian Forest Service, Bugwood.org; Petr Kapitola, State Phytosanitary Administration, Bugwood.org; (earwig) Joseph Berger, Bugwood.org; (fall armyworm) University of Georgia Archive, University of Georgia, Bugwood.org; (white grubs) unknown; (millipede) Gary Alpert, Harvard University, Bugwood.org; (mosquito) Jim Occi, BugPics, Bugwood.org; (sod webworms) University of California IPM Program; (spiders) David Cappaert, Michigan State University, Bugwood.org; (springtails and snowfleas); (ticks) Jim Occi, BugPics, Bugwood.org ; (fairy rings) unknown; (rusts) University of Minnesota Extension; (snow molds) unknown ; (moles); (voles) USDA Forest Service - North Central Research Station Archive, USDA Forest Service, Bugwood.org; (chipmunk) David Cappaert, Michigan State University, Bugwood.org; (squirrels) Joseph LaForest, University of Georgia, Bugwood.org; (woodchuck) Gilles Gonthier; (raccoon) Ricky Layson, Ricky Layson Photography, Bugwood.org; (porcupine) Joseph O'Brien, USDA Forest Service, Bugwood.org; (skunk) Alfred Viola, Northeastern University, Bugwood.org; (deer) David Cappaert, Michigan State University, Bugwood.org; (Canada geese) Chris Evans, River to River CWMA, Bugwood.org; (turkeys) Paul Bolstad, University of Minnesota, Bugwood.org; (woodpeckers) Johnny N. Dell, Bugwood.org; (sparrows, crows, starlings) Terry Spivey, USDA Forest Service, Bugwood.org; (snakes) Chris Evans, River to River CWMA, Bugwood.org; (slugs and snails) Joseph Berger, Bugwood.org; (spiders) David Cappaert, Michigan State University, Bugwood.org; (Canada thistle) John M. Randall, The Nature Conservancy, Bugwood.org; (vetch) Dan Tenaglia, Missouriplants.com; (morning glory) K. George Beck & James Sebastian, Colorado State University, Bugwood.org; (purple loosestrife) John D. Byrd, Mississippi State University, Bugwood.org; (creeping charlie) Leslie J. Mehrhoff, University of Connecticut, Bugwood.org; (chickweed) Joseph M. DiTomaso, University of California - Davis, Bugwood.org; (garlic mustard) David Cappaert, Michigan State University, Bugwood.org; (hairy galinsoga) Joseph M. DiTomaso, University of California - Davis, Bugwood.org; (woodsorrel) Joseph M. DiTomaso, University of California - Davis, Bugwood.org; (purslane) Joseph M. DiTomaso, University of California - Davis, Bugwood.org; (sowthistle) Chris Evans, River to River CWMA, Bugwood.org; (dandelion) Dave Powell, USDA Forest Service, Bugwood.org; (cypress spurge) Todd Pfeiffer, Klamath County Weed Control, Bugwood.org; (yellow nutsedge) Jeff Stachler, The Ohio State University, Bugwood.org; (quackgrass) Steve Dewey, Utah State University, Bugwood.org; (crabgrass) Richard Old, XID Services, Inc., Bugwood.org; (ragweed) Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org; (shepherd's purse) Robert Vidéki, Doronicum Kft., Bugwood.org; (lambsquarters) Joseph M. DiTomaso, University of California - Davis, Bugwood.org; (pigweed) Steve Dewey, Utah State University, Bugwood.org; (plantain) Lynn Sosnoskie, University of Georgia, Bugwood.org; (Oriental bittersweet) Nancy Loewenstein, Auburn University, Bugwood.org; (poison ivy) Catherine Herms, The Ohio State University, Bugwood.org; (giant hogweed) Maine Department of Agriculture; (Japanese knotweed) Richard Old, XID Services, Inc., Bugwood.org; (field horsetail) Gil Wojciech, Polish Forest Research Institute, Bugwood.org; John Cardina, The Ohio State University, Bugwood.org]

 

 
It is the policy of the State of Maine to minimize reliance on pesticides. The Maine Department of Agriculture, Conservation and Forestry 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.