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Posts Tagged: UC IPM

Summer Spider Sightings

Adult flower or crab spider. (Credit: Jack Kelly Clark)

When you see spiders in your garden, you may wonder if they can hurt you or your pets. The good news is, most spiders are not likely to bite or cause lasting harm if they do. Plus, they provide natural pest control! Here are a few spiders commonly found...

Posted on Sunday, July 8, 2018 at 9:27 PM
Tags: black widow (2), control (19), crab (1), garden (16), harmless (1), jumping (1), lynx (1), orb (1), pest (28), poisonous (1), spider (5), UC IPM (175), weaver (1), webs (1), wolf (1)
Focus Area Tags: Pest Management Yard & Garden

Fipronil Labels Have New Restrictions

Diagram showing California fipronil label restrictions. (Credit: California Department of Pesticide Regulation)

New label changes will alter how fipronil is applied by pest management professionals (PMPs) in urban environments, particularly between November and February, during California's typical rainy season. Concerns over continued detections in urban...

Posted on Friday, July 6, 2018 at 10:00 PM
Tags: applications (1), California (12), DPR (7), EPA (4), fipronil (2), label changes (1), law (1), perimeter (1), restrictions (1), UC IPM (175), UC Riverside (1)
Focus Area Tags: Pest Management Yard & Garden

Investigating the Pathways of Rodenticide Movement in Urban Wildlife

Urban coyote on pathway. (Credit:

Rodenticides continue to come under scrutiny in California due to issues surrounding the potential for nontarget injury to wildlife and pets. While California already has the strictest rodenticide laws and regulations in the country, there have been...

Posted on Sunday, June 24, 2018 at 9:00 PM
Tags: bait (2), exposure (2), nontarget injury (1), pests (27), public health (1), rodent (1), rodenticide (2), UC IPM (175), Wildlife - General (1)
Focus Area Tags: Pest Management Yard & Garden

Using Seaweed to Kill Argentine Ants

Fig 1. Argentine ants feeding on green or red hydrogels to demonstrate liquid bait uptake. (Credit: J-W Tay, UC Riverside)

[From the Spring issue of the UC IPM Green Bulletin] Argentine ants can be a damaging ant pest species in both agricultural and urban environments in California. Outdoors, they disrupt biological control by tending honeydew-producing pests and...

Posted on Tuesday, June 19, 2018 at 8:00 PM
Focus Area Tags: Pest Management Yard & Garden

Summer-it’s a time for swimming, BBQs, camping, and eating invasive species

If you've got a great recipe for invasive brown garden snail, the webiste Eat the Invaders wants to know! Don't bring snails and other animals into California for food. That's how the brown garden snail ended up here in the 1850's. (Credit: Jack Kelly Clark)

During California Invasive Species Action Week (June 2 – June 10), we highlighted several pests, but there are many more invasive species out there. Now that you know about them, share your knowledge of invasive species with others. And no matter...

Posted on Monday, June 18, 2018 at 9:14 AM
Tags: California (12), disease (18), firewood (3), garden (16), infestation (4), invasive species (3), pests (27), summer (4), UC IPM (175)
Focus Area Tags: Pest Management Yard & Garden

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