New Polypheretima and Pithemera (Oligochaeta: Megascolecidae) species from the Mt. Malindang Range, Mindanao Island, Philippines Author Aspe, Nonillon M. Department of Natural History Sciences, Graduate School of Science, Hokkaido University, Sapporo, Japan; Author James, Samuel W. Department of Biology, College of Liberal Arts and Sciences, University text Journal of Natural History 2015 2015-03-31 49 37 2233 2255 journal article 21135 10.1080/00222933.2015.1021875 b8546f1e-9186-421c-a535-5342fd7fe0d4 1464-5262 4000011 Genus Polypheretima Michaelsen, 1934 Type species. Perichaeta stelleri Michaelsen, 1892 Generic diagnosis Body cylindrical; setal arrangement perichaetine; annular clitellum covering segments xiv–xvi; pair of male pores in xviii on circular porophores which may be within copulatory bursae; ventral genital markings present or absent; oesophageal gizzard in viii; intestine begins in xv or xvi; nephridia on spermathecal ducts lacking; caeca lacking; male sexual system usually holandric, with testes and funnels enclosed in paired sacs in x and xi; seminal vesicles in xi and xii; spermathecal pores small, spermathecal diverticula simple and usually ectal in origin; prostates racemose; copulatory bursae may or may not be present; ovaries free in xiii; oviducts lead to single or closely paired opening ( Easton 1979 ). Hong and James (2008a) observed that most Polypheretima species on Luzon have white pigmentation and are generally smaller than Pheretima species.