Breadcrumb Home Have a Pest? Natural Environment Pests Natural Environment Pests Aquatic Invasives Book: Aquatic and Riparian Weeds of the West Book: Aquatic Pest Control (Pesticide Application Compendium Volume 5) Driessenid mussel research and extension from UCCE Invasive species from UCCE Lake County Managing hull-borne invasive species and coastal water quality for California (PDF) Managing Mosquitoes in Surface-Flow Constructed Treatment Wetlands Mosquitoes New Zealand mudsnail research and extension from UCCE News: Scientists propose new warning system for invasive marine species News: Scientists untangle seaweed’s effect on other species News: What a difference a day makes—abalone pest is in the dunk tank Pond management from UCCE Central Sierra Web site: UC Weed Research and Information Center Natural Environment Pests Bagrada bug Bark beetles California oakworm Detecting and Identifying the Walnut Twig Beetle: Monitoring Guidelines (2.5 MB PDF) Eucalyptus longhorned borers Fact sheet (tri-fold brochure): Goldspotted oak borer, a new threat to oaks in Southern California (PDF) Fact sheet: The redhaired pine bark beetle, Hylurgus ligniperda fabricius (PDF) Field Identification Guide: Walnut Twig Beetle and Thousand Cankers Disease (PDF) Goldspotted Oak Borer Goldspotted Oak Borer Field Identification Guide (5 MB, PDF) Grasshoppers Lyme Disease in California Managing Mosquitoes in Surface-Flow Constructed Treatment Wetlands Mosquitoes News: Collective effort produces Asian longhorned beetle information News: Don't Move Oak Wood in San Diego County! (PDF) Oak pit scales Pest alert (PDF) from Western IPM Center Pitch moths Quick Guide: Installing and Maintaining Walnut Twig Beetle Pheromone-baited Traps (PDF) Redhaired bark beetle Success story: Biological control of an exotic oak pest Sycamore scale Thousand cankers disease and walnut twig beetles in California Ticks Video: Installing Walnut Twig Beetle Traps (5 mins) Video: Maintaining Walnut Twig Beetle Traps (5 mins) Web site: Goldspotted oak borer Wood wasps and horntails Plant Diseases Frequently asked questions on pitch canker (4 MB, PDF) News: Douglas-fir trees are cunning carriers of pitch canker disease Pierce's disease Pitch canker Success story: UC a leader in the fight against sudden oak death Sudden Oak Death Thousand cankers disease and walnut twig beetles in California Web site: Sudden oak death from the California Oak Mortality Task Force Web site: Sudden Oak Death from UCCE Sonoma Web site: Xylella fastidiosa Wood Decay Fungi in Landscape Trees Vertebrate Pests Coyote Deer Deer mouse Ground squirrel Rattlesnakes Wild Pigs Woodpeckers Weeds & Other Unwanted Plants Barb Goatgrass (2.4 MB, PDF) Book: Weeds of California and Other Western States Brooms Burning & Stinging Nettles CD: Broadleaf weed identification CD: Grass weed identification Dodder Eurasian watermilfoil Exotic pest plants (PDF) Fact sheet: Invasive plants and wildfires in southern California Getting a handle on broom: Scotch, French, Spanish and Portuguese broom (PDF) Giant reed Herbicide resistance: definition and management strategies (PDF) Invasive plants Medusahead Mistletoe Perennial pepperweed Plantains Poison hemlock Poison oak Puncturevine Russian thistle Sahara mustard Web site: California Invasive Plant Inventory from California Invasive Plant Council Web site: Invasive species from UCCE Lake County Web site: Invasive species from UCCE Los Angeles Web site: Invasive weed management from UCCE Central Sierra Web site: UC Weed Research and Information Center Wild blackberries Woody weed invaders Yellow starthistle Yellow starthistle management guide Quick Links Home and Garden PestsTurf and Landscape PestsAgricultural PestsNatural Environment PestsExotic and Invasive Pests Related Links County IPM Ordinance UC IPM Sustainable Landscape Management Ecology Based Tree Management 2021-22 Annual IPM Report 2020-21 Annual IPM Report 2019-20 Annual IPM Report 2018-19 Annual IPM Report 2002-2016 Annual IPM Report List of Approved PesticidesPesticide Use Exemption Form
