SWD identification

SWD larva, approx. 5 mm (Photo credit: D. Muller, OMAFRA).

SWD pupae (Photo credit: T. Wallace, OMAFRA).

SWD female (left) and male (right) (Photo credit: T. Wallace, OMAFRA).

SWD male (left) and female (right)

SWD male

Spots on wings of male SWD

Leg combs

SWD female ovipositor

SWD female ovipositor

Damage in fruit

The egg's thread-like breathing tubes protrude from the oviposition puncture and are often visible on the fruit surface. Photo Credit: Dr. Ward Strong, FLNRO, Kalamalka Forestry Centre, Vernon

Damage in blueberry

SWD larva exiting fruit about 12 hours after harvest, stored without refrigeration in airtight container.

Damage from SWD: one side of berry extremely soft (Photo credit: R. DeJong, OMAFRA).

Pupa of SWD emerging from damaged berry (Photo credit: R. DeJong, OMAFRA).

SWD flies on blueberries.

Damage in strawberry

Early signs of damage to strawberries: looks like bruising.

Area of fruit softening from SWD larvae beneath the surface.

SWD larvae in strawberry fruit.

Damage in raspberry

Infested berries have a poor shelf life and are usually soft.

Infested berries are very 'juicy' - look inside the cup.

Infected raspberries have poor shelf life and quickly collapse.

Infested berries are very 'juicy' - look inside the cup.

SWD larva and pupae in raspberry fruit (Photo credit: T. Wallace, OMAFRA)

Float fruit in salt water to check for larvae