Pests and Beneficial Organisms Found in Lawns and Yards

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Bugs

crane flies
Crane Flies (see Leatherjackets)

leatherjackets
Leatherjackets (see Crane Flies)

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

Didn't find what you were looking for?

More Help with Disease Identification

Turf Disease Identification & Research Resource, MSU Turf Diseases.net—Michigan State University

Other Critters

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

Weeds

Canada thistle flowerCanada Thistle

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

Looking for non-chemical control methods? Check out Best Management Practices for Non-Chemical Weed Control

Beneficial Organisms Sometimes Considered Pests

Looking for Non-Chemical Control Methods? Check out Best Management Practices for Non-Chemical Weed Control

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]