Horiver Large pack of 12. Each card is 9.84" x 15.75".

Horiver Sticky Traps (Yellow, Large)

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Horiver Yellow Sticky Traps — Large Cards (9.84" x 15.75") - Monitoring & Trapping for Flying Insect Pests
Horiver Yellow Sticky Traps are designed to monitor and trap flying insect pests in a variety of settings, including indoor spaces, greenhouses, and outdoor growing areas. Each card is coated with high-tack wet glue and sized for maximum visibility and coverage. The 9.84" x 15.75" format offers extended surface area for high-pressure zones and large-scale environments, making it ideal for comprehensive pest monitoring. Horiver Yellow is safe for use in any growing environment including greenhouses, nurseries, orchards, flower beds, interiorscapes, outdoor landscapes, indoor plants including houseplants and more.

A case includes 120 total cards, packaged in 10 packs of 12 cards each. You may purchase by the pack (12 cards) or by the case (10 packs of 12 cards).

Use For
Horiver Yellow traps target a wide range of flying pests, including:

Whiteflies (Trialeurodes vaporariorum, Bemisia tabaci)
Thrips (Frankliniella occidentalis, Thrips tabaci, Echinothrips americanus)
Leafminers (Liriomyza spp.)
Aphids (Myzus persicae, Aphis gossypii)
Fungus gnats and sciarids (Bradysia spp.)
Spider mites dispersed by wind currents
*While spider mites do not fly, they can travel via wind currents (ballooning) and land on sticky traps. Traps placed near vents, doors, and perimeter areas can intercept airborne introductions before colonization.

When to Use Horiver Yellow
Use Horiver traps year-round as part of your integrated pest management strategy.

Recommended for:
Continuous monitoring of pest populations
Early detection before pest pressure escalates
Tracking windborne introductions such as spider mites
Placement in high-risk zones like doors, vents, and perimeter areas

How It Works
Mode of Action: Trapping via color attraction and adhesive capture
Behavior: Flying insects are drawn to the yellow color and become stuck on contact
Visual Effect: Pests are immobilized on the trap surface, providing a clear visual indicator of pest pressure

Note on Beneficials
Sticky traps may occasionally capture flying beneficial insects such as parasitic wasps. To minimize this, release beneficials away from trap locations. Despite this minor risk, sticky traps remain essential for early detection and accurate population tracking. Their value in preventing pest outbreaks far outweighs the small chance of incidental beneficial capture.

Best Working Conditions
Temperature: Effective across all growing environments
Humidity: Wet glue remains tacky even in high humidity
Plant Compatibility: Suitable for all plant types

Compatibility Guidance
Safe for use with all biological control agents
Compatible with chemical controls

Product Specifications
Pack Size: 12 sticky cards
Case Size: 10 packs (120 cards total)
Card Dimensions: 9.84" x 15.75"
Color: Yellow (broad-spectrum attraction)

What to Expect
Immediate attraction and capture of flying pests
Clear visual indication of pest pressure
Enhanced scouting accuracy when integrated with biological controls
Replace traps weekly or as needed

Recommended IPM Pairings
Biological controls such as Swirskii sachets for Thrips control and Entomite-M for fungus gnat control

Frequently Asked Questions

Yes, sticky traps are safe to use with beneficials. To reduce incidental capture of flying predators, release beneficials away from trap locations.

Pressure refers to pest population levels: Preventative: No pests detected; proactive monitoring Low Pressure: Few pests detected; early-stage presence Medium Pressure: Moderate pest counts; localized hotspots High Pressure: Heavy pest presence; widespread risk

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Horiver Yellow traps attract a broader spectrum of flying pests including whiteflies, fungus gnats, leaf miners, and thrips, while Horiver Blue traps are more selective and primarily target thrips.

Horiver Yellow traps are attractive to a broad spectrum of pests, whereas Horiver White traps are specifically designed to target Lygus spp. and are often used where these bugs are a primary concern.

Large cards (9.84" x 15.75") provide greater surface area for high-pressure zones and large-scale environments. Large cards are superior at catching problems blown in on wind currents due to having a larger surface area. Small cards are better for tight spaces, smaller plant areas, and targeted monitoring where flexibility and discreet placement matter.