Spirodiclofen - the Molecule

Molecule - Spirodiclofen

Chemical class

• Tetronic acids

Mode of Action

• Interference fat synthesis (energy metabolism)

Advantages

• New mode of action
• Controls most mite species
• Excellent residual activity
• Good fit in IPM programmes
• Active on all mite stages
• Less sensitive to weather conditions
• International MRL's

Toxicology

• LD 50 rat m.p.o    > 2000 mg/kg
• LD 50 rat m. dermal    > 2000 mg/kg

• Dermal   - non irritating
• Eye   - non irritating

Ecobiology

• Jap. Quail LD 50    > 2000 mg/kg

• Trout, acute LC 50   - > 10 mg/l 96 h
• Trout, subchronic   - NOEL ca. 1 ppb
• Daphnia, acute LC 50   - > 10 mg/l 48 h
• Algae, LC 50   - > 1,0 mg/l 72 h

• Earthworm LC 50   - > 1000 mg/kg
• Honey Bee   - non toxic
• Ladybird   - not harmful