Cuticular Penetration and Metabolism of Phenthoate in the Resistant and Susceptible Diamondback Moth, Plutella xylostella L

Virapong NOPPUN, Tetsuo SAITO, Tadashi MIYATA
1987 Journal of pesticide science  
The study on the Cuticular penetration of [methoxy-14C]phenthoate in the diamondback moth showed lower rates of Cuticular penetration, lower amounts of radioactivity in the insect body and higher excretion rates of phenthoate in the phenthoate-resistant strains (OSS-R and OKR-R) than in the susceptible strains (OSS and OKR). An in vivo metabolism study using [methoxy-14C]phenthoate revealed no apparent difference between resistant and susceptible strains in overall rates of metabolism of
more » ... etabolism of [methoxy-14C]phenthoate. The 14C02 produced by treated insects was too small in amounts to be considered as a major product of phenthoate metabolism. Such results of the study indicated that reduced Cuticular penetration of phenthoate is one of the important resistance mechanisms in the diamondback moth, Plutella xylostella L. *
doi:10.1584/jpestics.12.85 fatcat:ctrryoialfexnncgfcusdx7iau