New earthworms of the genus Pheretima (Clitellata, Megascolecidae) from Mount Bulusan, Sorsogon Province, Philippines

Three new species of the genus <i>Pheretima</i> are described from Mount Bulusan, Sorsogon Province, Luzon Island, Philippines: <i>Pheretima bulusanensis</i> <b>sp. nov.</b>, <i>Pheretima sorsogonensis</i> <b>sp. nov.</b>, and <i>Pheretima blackbirdensis</i> <b>sp. nov.</b> All are in the <i>sangirensis</i>-group of Sims and Easton (1972), which is characterized by having one pair of spermathecal pores in 7/8. The three new species have equatorial unpigmented stripes, the intestinal origin in XVI, spermathecae in VII, and with segmental setal counts all greater than 40. <i>Pheretima bulusanensis</i> <b>sp. nov.</b> has copulatory bursae openings 0.19-0.23 circumference apart and septa 8/9/10 present. <i>Pheretima sorsogonensis</i> <b>sp. nov.</b> has copulatory bursae openings 0.14 circumference apart and septa 8/9/10 absent. <i>Pheretima blackbirdensis</i> <b>sp. nov.</b> has copulatory bursae openings 0.17 circumference apart and septum 9/10 absent.