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Hessian Fly In Wheat

Hessian Fly In Wheat. Fly damaged plants and/or tillers. Adult Hessian fly. Hessian fly eggs. Hessian fly larvae 2nd stage (L) and 3 stage (R). Hessian fly puparia. Hessian fly puparia. Pupal cases (7) from emerged Hessian flies. Hessian fly eggs. Planting Date Test.

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Hessian Fly In Wheat

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  1. Hessian Fly In Wheat Fly damaged plants and/or tillers

  2. Adult Hessian fly

  3. Hessian fly eggs

  4. Hessian fly larvae 2nd stage (L) and 3 stage (R)

  5. Hessian fly puparia

  6. Hessian fly puparia

  7. Pupal cases (7) from emerged Hessian flies

  8. Hessian fly eggs

  9. Planting Date Test Treatment* Larvae** % Infestation • Oct. 19 16.0 60 • Oct. 26 0.5 25 • Nov. 2 0.0 0.0 • Nov. 16 0.0 0.0 * planting date ** per 10 plants on 12/11

  10. Early spring Hessian fly control with insecticide in fall infested wheat Treatments* Eggs/10 leaves** HF/5 plants*** Bu/acre • Warrior@2.6 oz 12.3 c 41.2 c 48.2 a • Warrior@ 3.8 oz 5.0 c 23.3 c 56.7 a • Warrior@2.6 oz 2X 8.0 c 16.2 c 58.1 a • Untreated 32.3 b 131.8 a 17.7 b * Sprayed 3/13; ** on 3/20; *** on 4/6 JVD

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