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Onion Thrips - Utah Pests - Utah State University

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In general, more thrips occurred on<br />

caged than open plants 2-3 wk after<br />

treatment<br />

• Egg reservoir in leaves is important to reinfestation<br />

of plant<br />

• Exceptions: Lannate, Movento, & Radiant –<br />

longer-term suppression of thrips on plants<br />

Flying thrips adults: highly abundant<br />

• ~ 150-300 adults per trap per week after<br />

insecticide id applications

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