1
Q
Red/two spotted spider mite.
A
Symptoms - yellowish mottling of leaves, turns bronze, leaf may wither.
Colonies under leaves.
Fine webbing under leaves.
Control - Deltamethrin or fatty acids.
Predatory mite.
2
Q
Glasshouse whitefly.
A
Symptoms.
Can be seen, usually on underside of leaf.
Fly off in a cloud if disturbed.
Secrete honey dew -> sooty mould.
Treatment.
Parasitic wasp.
3
Q
Vine weevil.
A
Adults feed on leaves in spring and summer.
Larvae eat roots in autumn and winter.
Symptoms.
Adult damage - ragged edges if leaves.
Larvae damage often sudden collapse of plant.
Treatment.
Thiacloprid.
Nematode watered into compost.
