Among the manufactures are charcoal, pig-iron, car wheels and general castings at Lime Rock, cutlery at Lakeville, and knife-handles and rubber brushes at Salisbury.
The larvae are active and voracious little grub-like creatures (known in the United States as "wrigglers"), with large heads and jaws provided with a pair of brushes, which sweep food-particles into the mouth.
Among other manufactures are brushes, boilers and the like, machinery, metal ware generally, the cases and other parts of watches.
The horns are more or less lyrate,and generally developed in both sexes; there are frequently brushes of hair on the knees.
The massive graphite is very easily machined and is widely used for electrodes, dynamo brushes, lead pencils and the like.