Hessian fly

Hessian fly

Photo by Scott Bauer, USDA Agricultural Research Service, Bugwood.org

  • Adults are small (2-4 mm long) and look like mosquitos
  • Pupae have a ‘flaxseed’ appearance
  • Attack leaves, stems and heads of cereals
  • Most chemical controls are not effective
  • Cereal crop losses up to 40% could occur

High priority pest of: Grains

Scientific name: Mayetiola destructor
EPPRD Category: 3
Life Form: Flies & Midges (DIPTERA)

Pest Documents

FS: fact sheet

CP: contingency plan

DP: diagnostic protocol