A natural contact insecticide of low persistence, extracted from Derris, Lonchocarpus, Cube, Tephrosia. Usage limited to individuals and amateur gardeners; also used against ectoparasites on domestic animals and pets.
Animals most affected
Contamination of stretches of water (ponds, aquaria) used for fish rearing. Direct ingestion of the agrochemical product.
Extremely toxic to fish.
Oral doses in mg/kg or in concentrations in mg/l:
|LC50 (96 h)||fish||0.01|
Predominantly neurological (CNS) in origin:
Death due to asphyxia.
Antidote (recommended by some vets):
Symptomatic treatment, and to promote excretion:
The compound degrades too rapidly to be detected in clinical practice.