SWD identification

SWD larva, approximately 5 mm.
SWD larva, approximately 5 mm. (Photo credit: D. Muller, OMAFRA).
Spotted wing drosophila pupae.
SWD pupae. (Photo credit: T. Wallace, OMAFRA).
Spotted wing drosophila female (left) and male (right).
SWD female (left) and male (right). (Photo credit: T. Wallace, OMAFRA).
Spotted wing drosophila male (left) and female (right).
SWD male (left) and female (right).
Spotted wing drosophila male.
SWD male.
Spots on wings of male Spotted wing drosophila.
Spots on wings of male SWD.
Leg combs.
Leg combs.
Spotted wing drosophila female ovipositor.
SWD female ovipositor.
Spotted wing drosophila 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.
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

Spotted wing drosophila larva exiting fruit about 12 hours after harvest, stored without refrigeration in airtight container.
SWD larva exiting fruit about 12 hours after harvest, stored without refrigeration in airtight container.
Damage from Spotted wing drosophila: one side of berry extremely soft.
Damage from SWD: one side of berry extremely soft. (Photo credit: R. DeJong, OMAFRA).
Pupa of Spotted wing drosophila emerging from damaged berry.
Pupa of SWD emerging from damaged berry. (Photo credit: R. DeJong, OMAFRA).
Spotted wing drosophila flies on blueberries.
SWD flies on blueberries.

Damage in strawberry

Early signs of damage to strawberries: looks like bruising.
Early signs of damage to strawberries: looks like bruising.
Area of fruit softening from Spotted wing drosophila larvae beneath the surface.
Area of fruit softening from SWD larvae beneath the surface.
Spotted wing drosophila larvae in strawberry fruit.
SWD larvae in strawberry fruit.

Damage in raspberry

Infested berries have a poor shelf life and are usually soft.
Infested berries have a poor shelf life and are usually soft.
Infested berries are very 'juicy' — look inside the cup.
Infested berries are very 'juicy' — look inside the cup.
Infected raspberries have poor shelf life and quickly collapse.
Infected raspberries have poor shelf life and quickly collapse.
Infested berries are very 'juicy' — look inside the cup.
Infested berries are very 'juicy' — look inside the cup.
Spotted wing drosophila larva and pupae in raspberry fruit.
SWD larva and pupae in raspberry fruit. (Photo credit: T. Wallace, OMAFRA).
Float fruit in salt water to check for larvae.
Float fruit in salt water to check for larvae.