Thiacloprid - the Molecule

Chemical class

• Chloronicotinyl

Mode of Action

• Calypso has an acute contact and stomach effect.
• It binds to the postsynaptic nicotinergic receptor.
• This mode of action is different from organo-phosphates, carbamates and pyrethroids

Toxicology
Acute toxicology

• LD 50 rat oral mg/kg     836 m, 445 f
• LD 50 rat dermal mg/kg     > 2000 m, 2000 f

Ecobiology
Avian Toxicity

• Jap. Quail LD 50    49 mg/kg body weight

• Fish (bluegill) LC 50   - 25 mg/l (96h)

• Earthworm LC 50   - 105 mg/l (96h)
• Honey Bee   - 38,8 µg/bee contact