- Abnormal and Distorted Plant Growth – Planttalk #2101
- Ants
- Ants – Planttalk #1401
- Ants and Landscape Plants – Planttalk #1420
- Ants: Carpenter Ants – Fact Sheet #5.554
- Ants in the Home – Fact Sheet #5.518
- Flying ants – Planttalk # 1486
- Aphids
- Aphids – Planttalk #1402
- Aphids on Shade Trees and Ornamentals – Fact Sheet #5.511
- Apple and Pear Insects – Backyard Orchard: Apples and Pears – Fact Sheet #2.800
- Bagworms – Snailcase Bagworm – Fact Sheet #5.580
- Bees
- A Beginner’s Field Guide to Identifying Bees
- Bee Hotel Resources
- Bees and Colony Collapse Disorder – Planttalk #1404
- Honey Bees Swarm in House – Planttalk #1475
- Leafcutter Bees – Fact Sheet #5.576
- Native Bee Watch: A Colorado Citizen Science Field Guide
- Nuisance Wasps and Bees – Fact Sheet #5.525
- Solitary Bee – Planttalk #1480
- Beetles
- Asian Longhorned Beetle
- Bark Beetles (Evergreens)– Planttalk #1469
- Carpet Beetles – Fact Sheet #5.549
- Chafer beetle emergence – Planttalk#1495
- Elm Leaf Beetles – Fact Sheet #5.521
- Flea Beetles – Fact Sheet #5.592
- Flea Beetles on Vegetables – Planttalk# 1446
- Ips Beetles – Fact Sheet #5.558
- Japanese Beetles – Fact Sheet #5.601
- Japanese Beetle Plant Preferences: Observation Survey and Results
- Lady Beetles – Fact Sheet #5.594
- Mountain Pine Beetle – Planttalk #1424
- Mountain Pine Beetle – Fact Sheet #5.528
- Mountain pine beetle versus Ips – Planttalk #1488
- Spotted cucumber beetle – Planttalk #1486
- Thousand cankers disease (TCD) on walnuts – Planttalk #1400-16
- Beneficial Insects
- Attracting Butterflies to the Garden – Fact Sheet #5.504
- Attracting Native Bees to Your Landscape – Fact Sheet #5.615
- Bee Hotel Resources
- Creating Pollinator Habitat – Fact Sheet #5.616
- Beneficials – Insect Parasitic Nematodes for Insect Control – Fact Sheet #5.573
- Beneficial Insects – Planttalk #1421
- Beneficial Insects and Other Arthropods – Fact Sheet #5.550
- Borers
- Ash Borer – Planttalk #1425
- Emerald Ash Borer in Colorado
- Oak Borer – Planttalk #1477
- Peach Tree Borer – Fact Sheet #5.566
- Pigeon Tremex Horntail and Giant Ichneumon Wasp – Fact Sheet #5.604
- Pinon Pine “Pitch Mass” Borer – Planttalk #1456
- Raspberry Cane Borer – Planttalk #1478
- Rose Cane Borer – Planttalk #1463
- Shade Tree Borers – Fact Sheet #5.530
- Tree Borers – Planttalk #1417
- Bugs
- Ash Plant Bug – Planttalk #1434
- Bat Bugs and Bed Bugs – Fact Sheet #5.574
- Bed, Bat and Swallow Bugs – Planttalk #1470
- Box Elder Bugs – Fact Sheet #5.522
- Box Elder Bugs – Planttalk #1405
- Conifer Seed Bugs – Fact Sheet #5.588
- False Chinch Bugs – Fact Sheet # 5.603
- Harlequin bugs – Planttalk #1474
- Honeylocust Plant Bug – Planttalk #1454
- Squash Bugs – Planttalk #1482
- Caterpillars
- Corn Earworm – Planttalk #1468
- Hornworms and Hummingbird Moths – Fact Sheet #5.517
- Pine Tip Moths – Fact Sheet #5.529
- Tent Caterpillar – Planttalk #1484
- Tent-Making Caterpillars – Fact Sheet #5.583
- Tobacco Budworm – Planttalk #1419
- Tobacco (Geranium) Budworm – Fact Sheet #5.581
- Tent Caterpillar – Planttalk #1484
- Tent-Making Caterpillars – Fact Sheet #5.583
- Tobacco Budworm – Planttalk #1419
- Tobacco (Geranium) Budworm – Fact Sheet #5.581
- Woollybear Caterpillar – Planttalk #1409
- Centipedes – Centipedes – Millipedes, Centipedes and Sowbugs – Fact Sheet #5.552
- Cicadas – Fact Sheet #5.590
- Cockroaches
- Cockroaches – Fact Sheet #5.553
- Cockroaches – Planttalk #1413
- Earwigs
- Earwigs– Planttalk #1472
- European Earwigs – Fact Sheet #5.533
- Fleas – Fleas and Plague – Fact Sheet #5.600
- Flies
- Biting Flies – Fact Sheet #5.582
- Flies in the Home – Fact Sheet #5.502
- Spotted-wing Drosophila: Management in Home Plantings – Fact Sheet #5.596
- Food – Insect Pests of Home-Stored Food – Fact Sheet #5.501
- Fungus Gnats
- Fungus Gnats – Planttalk #1445
- Fungus Gnats as Houseplant and Indoor Pests – Fact Sheet #5.584
- Galls
- Ash Plant Bug – Planttalk #1434
- Cooley Spruce Gall – Planttalk #1432
- Cooley Spruce Galls – Fact Sheet #5.534
- Honeylocust Plant Bug – Planttalk #1454
- Insect and Mite Galls of Woody Plants – Fact Sheet #5.557
- Poplar Twig-Gall Fly – Fact Sheet #5.579
- Poplar Twig-Gall Fly – Planttalk #1437
- Grasshoppers
- Grasshopper Control in Gardens & Small Acreages – Fact Sheet #5.536
- Grasshoppers – Planttalk #1447
- Honeylocust – Insect and Mite Pests of Honeylocust – Fact Sheet #5.571
- Horsehair Worms – Planttalk #1453
- Houseplants
- Managing Houseplant Pests – Fact Sheet #5.595
- Mealybugs on Houseplants – Planttalk #1466
- Soft Brown Scale and Spider Mites on Houseplants – Planttalk #1464
- Insect Control
- Soaps and Detergents – Fact Sheet #5.547
- Insect Control: Horticultural Oils – Fact Sheet #5.569
- Insects Over-Wintering – Planttalk #1440
- Lawns
- Billbugs and White Grubs – Fact Sheet #5.516
- Clover and Other Mites of Turfgrass – Fact Sheet #5.505
- Lawn Insects – Planttalk #1514
- Leafhoppers on Lawns – Fact Sheet # 5.608
- Mites on Turfgrass – Planttalk #1467
- Leafmining Insects – Fact Sheet #5.548
- Mantids of Colorado – Fact Sheet #5.510
- Mealybugs
- Hawthorne Mealybug – Planttalk #1457
- Mealybugs on Houseplants – Planttalk #1466
- Millipedes – Millipedes, Centipedes and Sowbugs – Fact Sheet #5.552
- Mites
- Bindweed mites – Planttalk #1493
- Clover and Other Mites of Turfgrass – Fact Sheet #5.505
- Eriophyid mites – Planttalk #1400-8
- Mites on Turfgrass – Planttalk #1467
- Spider Mites – Fact Sheet #5.507
- Spider Mites – Planttalk #1416
- Mosquitoes
- Do Plants Repel Mosquitoes? – Planttalk #1400-20
- Mosquito Control – Planttalk #2029
- Moths
- Codling Moth: Control in Home Plantings – Fact Sheet #5.613
- Douglas-Fir Tussock Moth – Planttalk #1422
- Douglas-fir Tussock Moths – Fact Sheet # 5.542
- Hornworms and Hummingbird Moths – Fact Sheet #5.517
- Indian Meal Moths – Fact Sheet #5.598
- Miller Moths – Fact Sheet #5.597
- Miller Moths – Planttalk #1462
- Moths in the Home – Fact Sheet #5.572
- Pine Tip Moths – Fact Sheet #5.529
- Zimmerman Pine Moths – Fact Sheet #5.591
- Zimmerman Pine Moth – Planttalk #1459
- Nematodes – Insect Parasitic Nematodes for Insect Control – Fact Sheet #5.573
- Pear Slug – Fact Sheet #5.560
- Psyllids
- Potato or Tomato Psyllids – Fact Sheet #5.540
- Psyllids – Planttalk #1458
- Sawfly
- Ash Sawfly – Planttalk #1455
- Brown Headed Ash Sawfly – Fact Sheet #5.586
- Pear Slug – Fact Sheet #5.560
- Sawflies on Evergreens – Planttalk #1439
- Scale
- Kermes scale on oak trees – Planttalk # 1400-8
- Oyster Shell Scale – Fact Sheet #5.513
- Oyster Shell Scale – Planttalk #1414
- Scale Insects Affecting Conifers – Fact Sheet #5.514
- Scale Insects on Pine – Planttalk #1418
- Soft Brown Scale and Spider Mites on Houseplants – Planttalk #1464
- Slugs
- Sowbugs – Millipedes, Centipedes and Sowbugs – Fact Sheet #5.552
- Spiders
- Brown Recluse Spiders in Colorado – Fact Sheet #5.607
- Spiders in the Home – Fact Sheet #5.512
- Western Widow Spider – Fact Sheet #5.605
- Wolf Spider – Planttalk #1485
- Springtails
- Springtails – Fact Sheet #5.602
- Springtails – Planttalk #1481
- Strawberry Insects and Diseases – Planttalk #1441
- Stone Fruits – Backyard Orchard: Stone Fruits [pest management] – Fact Sheet #2.804
- Sunspider
- Sunspider – Planttalk #1483
- Sunspiders (Windscorpions) – Fact Sheet #5.589
- Termites – Termites – Fact Sheet #5.532
- Ticks – Colorado Tick’s and Tick-Borne Diseases – Fact Sheet #5.593
- Vegetable Seedling Pests – Vegetable Seeding Pests – Planttalk #1410
- Wasps
- European Paper Wasp – Planttalk #1473
- European Paper Wasps – Fact Sheet #5.611
- Nuisance Wasps and Bees – Fact Sheet #5.525
- Pigeon Tremex Horntail and Giant Ichneumon Wasp – Fact Sheet #5.604
- Weevils
- Root Weevils – Fact Sheet #5.551
- White pine weevil – Planttalk #1494
- White Grubs – Billbugs and White Grubs – Fact Sheet #5.516
- Whitefly – Greenhouse Whitefly – Fact Sheet #5.587
- Whitefly – Greenhouse Whitefly – Planttalk #1448
- Windscorpions – Sunspiders (Windscorpions) – Fact Sheet #5.589
- CMG Training Materials
- Identifying Insects – Insect Anatomy and Growth – CMG GardenNotes #312
- Identifying Insects – Insect Orders – CMG GardenNotes #313
- Identifying Insects – Key 1 – Common Garden Insects – CMG GardenNotes #314
- Identifying Insects – Key 2 – Insect Orders – CMG GardenNotes #315
- Identifying Insects – Taxonomy of Arthropods (Insects and Insect Relatives) – CMG GardenNotes #311
- Plant Health Care – IPM: Plant Health Care – CMG GardenNotes #101