Hessian Fly In Wheat

1
Hessian Fly In Wheat
Fly damaged plants and/or tillers
2
Adult Hessian fly
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Hessian fly eggs
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Hessian fly larvae 2nd stage (L) and 3 stage (R)
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Hessian fly puparia
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Hessian fly puparia
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Pupal cases (7) from emerged Hessian flies
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Hessian fly eggs
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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_at_2.6 oz 12.3 c 41.2 c
  48.2 a
• Warrior_at_ 3.8 oz 5.0 c 23.3 c 56.7 a
• Warrior_at_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