INSECT DIAGNOSTIC LABORATORY, Department of Entomology, Cornell University
Insect Diagnostic Lab Factsheets
Click on any title in the alphabetical list below to download a pdf file. At the bottom of the page the factsheets are listed by topic (
Household/Indoor;
Biting/Stinging;
Wood/Lumber;
Trees/Shrubs;
Vegetable/Garden;
Houseplants;
Outdoor/Miscellaneous).
Return to Main Insect Diagnostic Lab page
Ants in Houses
Aphids
Apple Maggot
Aquatic Insects
Asian Lady Beetle
Asian Longhorned Beetle (includes links to other websites)
Asparagus Beetles
Bagworms
Bed Bugs
Bees (a link to Cornell's Dyce Laboratory)
Beetles in Flour, Grains, and Other Stored Foods
Beetles Infesting Woolens
Beneficial Insects - Nature's Pest Control
Booklice
Boxelder Bug
Brown Marmorated Stink Bug (links to other websites)
Cabbage Maggot
Carpenter Ants (factsheet from Cornell Cooperative Extension of Suffolk County, NY)
Carpenter Bees
Carpet Beetles (Dermestids) -- see:
Beetles Infesting Woolens and
Larder Beetle
Centipedes
Cigarette and Drugstore Beetles
Clothes Moths
Cockroaches
Colorado Potato Beetle
Deer Tick (Integrated Pest Management for the Deer Tick)
Drain Flies
Emerald Ash Borer (links to other websites)
European Chafer
European Earwig
Fall Webworm
Firebrats
Firewood Insects
Flea Beetles
Fleas
Fourlined Plant Bug Fruit Flies
Galls on Plants
Gypsy Moth
Hemlock Woolly Adelgid (links to other websites)
Hornets and Wasps (link to Cornell's Dyce Laboratory)
Horntails or Wood Wasps
Imported Cabbageworm (Cabbage White Butterfly)
Imported Willow Leaf Beetle
Indian Meal Moth
Insects and Firewood
Lady Beetles in Homes (Ladybugs; Ladybird beetles)
Multicolored Asian Lady Beetle
Larder Beetle
Magnolia Scale
Managing Home Vegetable Garden Pests
Mealybugs on Houseplants
Mexican Bean Beetle
Millipedes, Sowbugs, Pillbugs, and Centipedes
Moth Flies
Mountain Ash Sawfly
Oak Skeletonizer
Pear Thrips
Plant Galls
Powder Post Beetles
Pseudoscorpions
Rhubarb Curculio
Sawtoothed Grain Beetle
Scales on Houseplants
Silverfish and Firebrats
Snow-Fleas
Sowbugs and Pillbugs
Spiders
Springtails
Squash Vine Borer
Stinging Insects (Bees, Wasps, Hornets, Yellowjackets); a link to Cornell's Dyce Laboratory
Striped Cucumber Beetle
Sugar maple and the Pear Thrips
Termites (factsheet from Cornell Cooperative Extension of Suffolk County, NY)
Tomato Hornworm
Vegetable Garden Pests (Managing Home Vegetable Garden Pests)
Viburnum Leaf Beetle
Western Conifer Seed Bug
Factsheets by Topic
Household & Indoor:
Ants in Houses;
Bed Bugs;
Beetles in Stored Foods;
Beetles Infesting Woolens;
Booklice;
Boxelder Bug;
Brown Marmorated Stink Bug;
Carpenter Ants;
Carpenter Bees;
Cigarette and Drugstore Beetles;
Clothes Moths;
Cockroaches;
Deer Tick;
Drain Flies or Moth Flies;
European Earwig;
Firewood Insects;
Fleas;
Fruit Flies;
Indian Meal Moth;
Lady Beetles in Homes;
Larder Beetle;
Millipedes, Sowbugs, Pillbugs, and Centipedes;
Multicolored Asian Lady Beetle;
Powder Post Beetles;
Pseudoscorpions;
Sawtoothed Grain Beetle;
Silverfish and Firebrats;
Spiders;
Springtails;
Stinging Insects;
Termites;
Western Conifer Seed Bug
Biting & Stinging:
Bed Bugs;
Deer Tick;
Fleas;
Spiders;
Stinging Insects (including Bees, Wasps, Hornets, and Yellowjackets)
Wood & Lumber:
Carpenter Ants;
Carpenter Bees;
Firewood Insects;
Horntails or Wood Wasps;
Powder Post Beetles;
Termites
Trees & Shrubs:
Aphids;
Apple Maggot;
Asian Longhorned Beetle;
Bagworms;
Boxelder Bug;
Brown Marmorated Stink Bug;
Emerald Ash Borer;
Fall Webworm;
Firewood Insects;
Galls on Plants;
Gypsy Moth;
Hemlock Woolly Adelgid;
Horntails or Wood Wasps;
Imported Willow Leaf Beetle;
Magnolia Scale;
Mountain Ash Sawfly;
Oak Skeletonizer;
Pear Thrips and Sugar Maple;
Viburnum Leaf Beetle;
Western Conifer Seed Bug
Vegetables & Gardens:
Managing Home Vegetable Garden Pests;
Aphids;
Asparagus Beetles;
Beneficial Insects;
Brown Marmorated Stink Bug;
Cabbage Maggot;
Colorado Potato Beetle;
Flea Beetles;
Fourlined Plant Bug;
Imported Cabbageworm;
Mexican Bean Beetle;
Rhubarb Curculio;
Squash Vine Borer;
Striped Cucumber Beetle;
Tomato Hornworm
Houseplants:
Aphids;
Mealybugs;
Scale Insects
Outdoor & Miscellaneous:
Aquatic Insects;
Beneficial Insects;
Brown Marmorated Stink Bug;
Deer Tick;
European Chafer;
Galls on Plants;
Millipedes, Sowbugs, Pillbugs, and Centipedes;
Multicolored Asian Lady Beetle;
Pseudoscorpions;
Snow-Fleas;
Spiders;
Springtails;
Stinging Insects;
Western Conifer Seed Bug
Photos in the IDL banner were taken by Jason J. Dombroskie, IDL Diagnostician.
From left to right: Alder flea beetle - adults (Chrysomelidae: Altica ambiens); Larder beetle - larva (Dermestidae: Dermestes lardarius); Spotted tussock moth - caterpillar (Erebidae, or Arctiidae: Lophocampa maculata); Indian meal moth - adult (Pyralidae: Plodia interpunctella); Cornfield ant (Formicidae: Lasius sp.) with Scale insects (Coccidae: Coccus sp.); European sowbug, or Common woodlouse - an Isopod, not an insect
(Oniscidae: Oniscus asellus); Multicolored Asian lady beetle - adults (Coccinellidae: Harmonia axyridis); The Herald (moth) - caterpillar (Erebidae, or Noctuidae: Scoliopteryx libatrix).
NOTE: If any pdf or link does not work, please notify DiagnosticLab@frontier.com
and if the download is not functioning, a pdf copy can be emailed to you.
