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How to Manage Pests

Pesticide Information

Spinosad

Type:
Insecticide

Plant uses:
Ornamentals, fruit trees, vegetables.

Pests controlled:
Effective primarily against chewing rather than sucking insects. Primary targets are catepillars, leafminers or thrips. Also effective against katydids.

LowHazards to people

Low dermal and oral toxicity. May be slight irritation if eyes are exposed.

 

LowHazards to wildlife

Low toxicity to mamals and birds. Low to moderate toxicity to fish and aquatic invertebrates.

LowHazards to beneficials

Generally low to predators although predaceous thrips and syrphid fly larvae may be killed within 24 hours of treatment. High to moderate immediate toxicity to parasitic wasps, but rapidly breaks down.

Potential period of activity after treatment:
Short. not likely to be toxic after about 8-24 hours after treatment. Degrades rapidly.

Precautions and safety equipment:
Minimize your exposure to pesticides. Wear long pants, a long sleeved shirt, and closed shoes. Keep pesticide out of eyes with goggles or safety glasses

Active ingredient:
Spinosad is derived through the fermentation of a naturally occurring organism. Some products are organically acceptable.

Application tips:
Kills through both contact and ingestion action, but is much more effective if insects ingest it. Apply when small larvae are feeding on plant surfaces and cover surfaces completely. A second application may be necessary a few days later if additional larvae hatch out after the first application. Follow label directions for mixing and application for maximum effectieness and safety.

Always check the label before purchasing or applying a pesticide product for a specific pest on a specific plant to be sure it can be applied. Follow label directions precisely.

WARNING ON THE USE OF CHEMICALS


Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2008 The Regents of the University of California. All rights reserved.

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See How to manage pests, or in the U.S., contact your local Cooperative Extension office for assistance. /PMG/GARDEN/CONTROLS/spinosad.html revised: January 17, 2008. Contact webmaster.