But the earthworms common in North America were introduced from elsewhere, like Japanese beetles and gypsy moths.

In Britain, it is primarily called the common earthworm or lob worm (though that name is also applied to a marine polychaete).

The most common earthworms known in Europe and North America have somewhere around 220 species.

"It's just a common earthworm."

Hermaphrodites include the common earthworm and certain species of snails.

The common earthworm (Lumbricus), on the other hand, produces no casts.

The common earthworm is a universal bait for fresh water angling.

The greyish brown common earthworms are deep burrowing (anecic) and do not readily breed in the shallow worm farm bins.

Debris is carried back through the body of the machine and eliminated here: in operation it is not unlike the common earthworm.

The most common earthworm (in Europe, and most other temperate climate regions) can grow to a size of about 20-25 cm when extended.