Limnoria lignorum (Limnoriidae)

the gribbles

Adults:

Resemble an ordinary wood louse, 6 mm in length with 7 pairs of legs and 4 pairs of mouthparts.

Damage:

	Feeds gregariously on marine pilings. All wood that has not been penetrated by a preservative is consumed, leaving a hollow cylinder of wood.

Principal Hosts:

Usually attacks pilings.

Economic Importance:

This isopod attacks in great numbers and damage is concentrated at the low tide level.

References and Links:

FC: 53.