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

• Hessian fly & Barley stem gall midge FS
• Hessian fly CP
• Hessian fly DP

FS: fact sheet

CP: contingency plan

DP: diagnostic protocol