The horns are more or less lyrate,and generally developed in both sexes; there are frequently brushes of hair on the knees.
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.
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 massive graphite is very easily machined and is widely used for electrodes, dynamo brushes, lead pencils and the like.