Pests in the Urban Landscape
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Wrapping Up Invasive Species Action Week

This week, we shared information about important invasive species, what to do if you find them, and how you can help prevent their spread. To wrap up California Invasive Species Action Week, we’d like to highlight a few key takeaways: 

Don’t pack or plant a pest 

Whether you’re traveling or gardening, small choices can make a big difference in preventing the introduction of invasive species. Avoid accidentally transporting pests on fruits, vegetables, plants, seeds, or wood by following quarantine regulations. When planting, choose native or non-invasive species. Many harmful plants were originally introduced for landscaping and may still be sold in nurseries. Help stop the spread before it starts! 

Be on the lookout 

With the help of the community watching for and reporting suspicious pests, rapid response to new invasive species infestations is possible. Keep your eyes peeled for invasive species like the Japanese beetle, the emerald ash borer, and the spotted lanternfly, and report them if found. Contact your local county agricultural commissioner or submit a report through the California Department of Food and Agriculture’s online reporting system or Pest Hotline at 1-800-491-1899. 

A shiny green and bronze beetle on a heavily damaged leaf.
An adult Japanese beetle. Photo by Steven Katovich, Bugwood.org.

Recreate responsibly 

The choices you make during your summer boating adventure or camping trip can make a big impact in preventing the movement of invasive pests to new areas. Invasive species can be spread unintentionally on watercraft, muddy boots, clothing, pets, and gear. Always clean, drain, and dry your boating and fishing equipment between trips, stay on designated roads and trails, and buy firewood where you plan to use it. Help keep invasive plants from spreading by removing seeds from your clothes and equipment after hiking. Taking these steps will help protect the outdoor spaces you love for future generations to enjoy. 

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A carpet of yellow flowers over a large natural area with a mountain range in the background.
An infestation of stinknet, an invasive weed. Photo by Stuart Schwab, UC Riverside.

Keep learning 

Invasive pest prevention is a year-round effort. Use these resources to stay informed about invasive species in California and what you can do to help: 

  • Visit the California Department of Food and Agriculture’s Plant Health and Pest Prevention website for more information about invasive species impacting our state and what is being done to manage them. 
  • Visit the California Department of Fish and Wildlife’s Invasive Species Program website to learn about invasive pests impacting our state’s wildlands and waterways. 

Learn more about actions you can take this summer and beyond to help prevent the spread of invasive species: 

  • Before boating or taking part in other water recreation activities, visit the California State Parks Division of Boating and Waterways’ Clean, Drain, Dry webpage.