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Earthworm, Night Crawler
Lumbricus terrestris

Earthworm, Lumbricus terrestrisWhen the walks are wet after rain, or lawn watering, the earthworms are among the worms which come out of the lawn.  The most widely known earthworm is also called a night crawler. They commonly come out on the surface at night, and if the ground is wet they may remain on top, especially if they have gotten onto pavement, and can't find their way to soil.

Earthworm, Lumbricus terrestrisThis earthworm is on a brick which is 20cm X 9cm, for a size clue. The night crawler is native to europe. It has been introduced around the world by gardeners. In 2006 I noticed that night crawlers had almost completely disappeared from this area. Probably due to predation by the hammerhead worm. Two years later the night crawlers are increasing in numbers again.

Earthworm, Lumbricus terrestrisFrequently after a rain you will find piles of worm castings around the openings of earthworm burrows.

[Taxonomy : Classification]
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