Insect growth regulators larvicides

Action Insecticide, larvicide, ovicide insect growth regulator acting by interference with deposition of insect chitin... 

The pest mosquito Aedes nigromacul Ls of the vast San Joaquin valley of California went resistant to organochlorines by 1951, to parathion by 1960, to fenthion by 1965, and to chlorpyrifos (Dursban) by 1970. At present reliance is placed on larvicidal oils, the juvenile-hormone mimic methoprene (Altosid) and the insect growth regulator diflubenzuron (Dimilin), — and on better management of surplus irrigation water. Residual sprays for housefly control, at first so spectacular with the organochlorines, had to move into the OP compounds, which were then knocked out in... 

WHOPES is currently evaluating seven insecticide products for indoor residual spraying and insecticide treatment of mosquito nets for malaria and/or Chagas vector control, two insect repellents, and two insect growth regulator mosquito larvicides, with ongoing trials in 14 countries. 

In recent years there has been a rapid increase in the use of insect growth regulators and bacterial larvicides. 

Diflubenzuron is used as an insecticide, larvicide, ovicide, and insect growth regulator. 

Toxicology LD50 (oral, rat) 2198 mg/kg, (skin, rat) > 5 g/kg avoid inh. and skin and eye contact mutagen Storage Store in a cool place Uses Insecticide, larvicide against mealy bug rice planthoppers, scales and whiteflies insect growth regulator... 

Moreover, their mode of action is confirmed as novel insect-growth regulators with ecdysonergic activity according to the synq)toms of larval poisoning. The experiments also indicate that I does not result in the larvicidal activity, but mainly the inhibition of larval weight gain... 

---