Table 2.

Economic Threshold Level (ETL) of major pests of tea (16).

Name of the pest	Economic threshold level (ETL)
Tea Mosquito Bug	5% infestation
Aphids	20% infestation
Thrips	3 Thrips per shoot
Jassids	5 jassids per shoot
Looper caterpillar	4–5 Lopper per plant
Flushworm, Leaf Rollers	5 infested rolls per bush
Red Spider Mites, Pink and Purple Mites	4 mites per leaf
Termites	10% infestation
Nematodes	6 numbers of nematode/10 gm of soil