Report of resistance of Heliothis armigera to fenvalerate
In India, Heliothis armigera has developed resistance to fenvalerate. In the province of Andhra Pradesh where this compound is used very frequently, populations of the pest were 79-fold less sensitive to the compound than populations from an area with low fenvalerate use.
Sources
Venkataiah, M.; Subbarathnam, G.V.; Rosaiah, B. (1990) Development of resistance by gram pod borer to fenvalerate.
Indian Journal of Plant Protection 18, 285-286.