Flies

Damaging fly species include:

Swede midge (Contarinia nasturtii)
Cabbage root fly (Delia radicum)
Bean seed fly larvae (Delia platura)
Turnip fly larvae (Delia floralis)

Pest insects in brassica crops: fly pests

Swede Midge (Contarinia nasturtii) Resource Links

AHDB resources

Swede midge control methods Swede midge: monitor, detect and control How to detect and monitor swede midge

CABI resources

The challenge of swede midge management in canola | Access Required Contarinia nasturtii (swede midge) | Plantwise Knowledge Bank | Access Required

University resources

Warwick: Swede midge UMN: Swede Midge UMass: Swede Midge Cornell: Identification - Swede Midge MSU: Swede midge biology and management

Other resources

Bayer: Swede Midge on Broccoli, Cabbage, and Cauliflower

Cabbage Root Fly (Delia radicum) resource links

AHDB resources

Cabbage Root Fly Biology and Management in Brassica Crops Brassicas: treatment to control cabbage root fly Brassicas: comparison of treatments to control cabbage root fly Swede: Cabbage root fly chemical control - 1988 Carrot fly and cabbage root fly: improved systems for forecasting attacks Dissemination of forecasts for cabbage root fly, carrot fly, pollen beetle and large narcissus fly Assessing new ways of controlling the cabbage root fly and the carrot fly Cabbage root fly: control in sweedes/turnips Swedes: Biology and control of cabbage root fly (1998) Swedes: Biology and control of cabbage root fly (1999) Swedes: Biology and control of cabbage root fly (2000) Dissemination of forecasts for carrot fly, cabbage root fly and pollen beetle Control of cabbage root fly on outdoor radish Radish: evaluation of non-OP insecticides for controlling cabbage root fly

CABI resources

Delia radicum (cabbage root fly) - Access Required

University resources

UMass: Cabbage Root Maggot Warwick: Cabbage root fly Warwick: Cabbage root fly forecast 2025 Oregon: Cabbage maggot life cycle, monitoring, and identification UNH: Cabbage Maggot

Other resources

Bayer: Cabbage Root Fly

RHS: Cabbage Root Fly

Bean seed flies (Delia platura and Delia florilega) resource links

AHDB resources

Bean seed fly: Identification and control Risk factors and crop damage caused by bean seed flies CP 190: PhD: Development of an integrated strategy for Bean Seed Fly control

CABI resources

Bean Seed Fly | Plantwise Knowledge Bank Bean seed fly datasheet | Access Required

University resources

Warwick: Bean seed fly

RHS resources

Koppert: Bean Seed Fly - Biocontrol, Damage and Identification Thompson & Morgan: Bean Seed Fly RHS: Bean Seed Fly: How to protect germinating seeds

Turnip fly (Delia floralis) resource links

AHDB resources

Turnip sawfly biology and impact on vegetable brassicas and oilseed rape

CABI resources

Delia floralis (turnip maggot) | Access Required

Bayer resources

Turnip Sawfly