Two New Species of the Genus Pheretima s. lat. (Family Megascolecidae) from the Yambaru District, Okinawa Island, Japan

Abstract

Two new species of the genus Pheretima s. lat. (Family Megascolecidae), Ph. Yambaruensis sp. nov., and Ph. kunigamiensis sp. nov. were described from the Yambaru district, northern part of Okinawa Island. The both are very large-sized species and a banded pattern in appearance. Tow new species are distinguishable from the other congeneric species by combinations of the following character status; 1) intestinal caeca, 2) number of spermathecal pores, 3) number and situation of genital markings, 4) spermathecae, 5) genital glands, 6) body size and the color of the body.