![]() ![]() ![]() Some time after copulation, long after the worms have separated, the clitellum secretes the cocoon which forms a ring around the worm. The cocoon, or egg case, is secreted by the clitellum band which is near the front of the worm, but behind the spermathecae. The clitellum becomes very reddish to pinkish in color. The mating pair overlap front ends ventrally and each exchanges sperm with the other. Earthworms MatingĬopulation and reproduction are separate processes in earthworms. These cocoons are clearly visible to the naked eye. These cocoons are lemon-shaped and are pale yellow at first, becoming more brownish as the worms inside become mature. Both worms then secrete cocoons which contain several eggs each. ![]() The two worms join clitellums, the large orangeish bands which contain the worms’ reproductive organs, and which are only visible during the reproduction process. However, two worms are still required for reproduction. As with other earthworm species, Eisenia fetida is hermaphroditic. ![]()
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