The life of these subterranean pests differs in the various species; some undoubtedly (Agriotes lineatum) live for three or four years, during the greater part of which time they gnaw away at the roots of plants, carrying wholesale destruction before them.
Beavers also gnaw the bark of birch, poplar and willow trees; but during the summer a more varied herbage, with the addition of berries, is consumed.
When confined, they will gnaw through the hardest wood in order to make their escape.
This experiment was partially successful, but the instinctive dislike of bees to anything of a fibrous nature caused them completely to spoil their work of comb-building in the endeavour to tear or gnaw away the linen threads whenever they got in touch with them.
What deadly voids and unbidden infidelities in the lines that seem to gnaw upon all Faith, and refuse resurrections to the beings who have placelessly perished without a grave.
The muskrat will gnaw his third leg off to be free.
The smaller red champion had fastened himself like a vice to his adversary's front, and through all the tumblings on that field never for an instant ceased to gnaw at one of his feelers near the root, having already caused the other to go by the board; while the stronger black one dashed him from side to side, and, as I saw on looking nearer, had already divested him of several of his members.
Several of the elaterid larvae, however, gnaw roots and are highly destructive to farm crops.