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Pheretima is a genus of earthworms found mostly in New Guinea and parts of Southeast Asia. Species belonging to the genus Pheretima have a clitellum, which is a band of glandular tissue present on segments 14 to 16. Individuals are hermaphroditic and reproduction can be either sexual or parthenogenetic. Female genital pores lie on the ventral ...
Earthworm head. Depending on the species, an adult earthworm can be from 10 mm (0.39 in) long and 1 mm (0.039 in) wide to 3 m (9.8 ft) long and over 25 mm (0.98 in) wide, but the typical Lumbricus terrestris grows to about 360 mm (14 in) long. [9]
In Indonesia, 9 different genera can be found; Amynthas, Archipheretima, Metaphire, Metapheretima, Pheretima, Pithemera, Planapheretima, Pleinogaster, and Polypheretima. Pheretimoid is the biggest group of species, which consists of 65 species. Some intrageneric groups are restricted to mainland Asia, but others are native to Indo-Australian ...
The Kinabalu giant earthworm (Pheretima darnleiensis) is a grey-blue coloured peregrine annelid.It is found widely in Southeast Asia, primarily in the Indo-Australasian Archipelago (e.g., Singapore, Sumatra, Java, Bali, Borneo, Sulawesi, the Philippines, some islands near New Guinea such as Darnley Island and Christmas Island), but also in Peninsular Malaysia.
They can be distinguished by the location of the primary spermathecal pores in parietal invaginations. He then named this earthworm after Pheretima praepinguis in 1935. Although Yi Chen insisted that Pheretima praepinguis is a synonym of Pheretima tschiliensis in an article published in 1936, [4] this name is ubiquitously accepted nowadays. [2] [5]
Posthuma may refer to Posthuma (surname) Opera Posthuma, a 1677 collection of posthumous works of Baruch Spinoza; Nebria posthuma, a species of ground beetle
These cells are derived from the inner coelomic epithelium and are present in the coelomic fluid of some annelids. [2] They have characteristic vesicular bulging due to their function in storing and transporting substances, and are yellow due to the presence of cytosolic granules known as chloragosomes.
Polypheretima is a genus of annelid earthworms belonging to the family Megascolecidae, erected by Wilhelm Michaelsen in 1934. [1] Species have been recorded mostly from Africa and Asia, with several apparently very locally endemic.