जोथोनफोरा जगायजानांगौ जायो जुदि एम्फौ-एनलाफोरजों गाज्रि-जानायनि बेसेन आसा-खालामनाया दबथायनायनि बेसेननिख्रुय बांसिन जायो।
Intervention is warranted if the expected cost of damage by the pest is more than the cost of control.