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Organic Pest Control
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Sticky traps

Coloured sticky tape or sticky cards can be useful for a number of pests. Yellow is used for aphids, whiteflies and fruit flies, cucumber beetles, flea beetles and imported cabbageworms, leafhoppers and leaf miners, onion fly and carrot root fly, and some moths. Yellow traps are typically most effective if hung vertically immediately above plants, though very effective against fungus gnats if laid horizontally across the soil. Unfortunately, yellow traps may also catch beneficial insects such as lady beetles.

Use white sticky traps for flea beetles and tarnished plant bugs. Blue and green can be very effective against thrips; bright blue against leaf miners.

Home-made versions use colored paint on wood, cardboard, or plastic, and are covered in sticky materials, i.e. Tanglefoot for big bugs, thinner products for smaller pests. In addition to commercial preparation, Vaseline and vegetable oils may be used.

It is reasonable to try sticky traps for insect pests not listed here: experiment with the colors listed above. Bright colors appear to work best.

Sticky traps may be used to monitor pest numbers over time, and the efficacy of interventions used. Sticky cards of a defined size can facilitate counting and monitoring. Placed strategically, especially with greenhouses, these may help localize breeding areas and access routes for specific pests.

 
See Also

Flea beetles
Ladybug, ladybirds, convergent lady beetles
Thrips
Whiteflies

Related Topics

Moth orchid
Soil
Aphids

 
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