Pithemera Sims and Easton, 1972
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publication ID |
https://doi.org/ 10.1080/00222933.2015.1021875 |
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DOI |
https://doi.org/10.5281/zenodo.4329082 |
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persistent identifier |
https://treatment.plazi.org/id/03A8E367-FFA0-FFAA-FE5B-58D4FD96F9AA |
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treatment provided by |
Carolina |
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scientific name |
Pithemera Sims and Easton, 1972 |
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Genus Pithemera Sims and Easton, 1972
Type species. Perichaeta bicincta Perrier, 1875
Generic diagnosis
Body cylindrical; setae numerous, regularly arranged around each segment; clitellum annular, covering two or two and a half segments from xiv to xv, and/or half of xvi; spermathecal pores small, three to five pairs from 4/5 to 8/9; female pore single or paired in xiv; genital markings present or absent; oesophageal bursae absent; intestinal caeca originating in xxii (in Pheretima , caeca originating in xxvii); spermathecal ducts without nephridia (as in Polypheretima ); male system holandric or metandric; prostate glands racemose; copulatory bursae lacking ( Sims and Easton 1972). Hong and James (2008a) observed that Pithemera species are generally lighter in pigmentation and smaller in size than Pheretima species.
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