COTTON MITE
Tetranychus tellarius (Boisd.) (Tetranychidae
: Acarina)
IDENTIFICATION
- Very
minute in size, usually invisible to naked eye.
- Oval in shape, 4 pair of legs.
- Reddish yellow in colour.
- Body sparsely covered with reddish spines.
- Leaf covered with web
LIFE
HISTORY
Egg : 4 – 7
days
Larva : 3 –
5 days
Nymph: 6 – 10
days
Adult : 5 –
20 days
DAMAGE
- Make web underside the leaves and sucks cell sap
- Leaves
appear reddish
- Drying,
withering and shedding of leaves in severe attack
- Plants
loose vigour and die
- Attack
appears in patches
- Dry
and hot weather favours its multiplication
INTEGRATED
PEST MANAGEMENT (IPM)
- Clean
cultivation
- Avoid
repeated spray of pyrethroids
- Spray
in patches
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