They feed almost entirely below ground. Damage can be caused at any
time of year.
Spot them
Swift moths lay up to 700 eggs and the emerging grubs burrow into
the soil and attack bulbs. These look like white caterpillars (65
mm) with shiny brown heads and can be found in soil, on roots,
tubers and bulbs. These pests are usually noticed when digging up
the ground in winter.
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