TABLE 1 in Two new earthworm species of the genus Metaphire Sims & Easton, 1972 (Annelida: Oligochaeta: Megascolecidae) from Highlands of Vietnam

TABLE 1. Comparison of the morphology of M. mangcanhensis sp. nov. and its congeners found in Vietnam. CharactersM. mangcanhensis sp. nov.M. baii 1M. birmanica 2M. chaubinhensis 3M. hilgendorfi 4Ventral distance between spermathecal pores0.35X0.40X???Ventral setae number between spermathecal pores18–20/vi, 18–21/vii??9/v 18/viii?Shape of the seminal chamberElongated, terminal end slightly swollenTwisted, terminal end slightly swollenOvoidBaseball bat shape*?Length (mm)70–12680–11592–98120150Diameter (mm)5.4–5.63.77–4.274.4–4.65–66Segments101–13494–111141–16877120Clitellumxiv–xvixiv–xvixiv–xvi1/3xiv–2/3xvixiv–xviFirst dorsal pore12/1312/1311/1212/1312/13Pre–clitellar setae48–56/viii54–60/viii109–117/viii42/viii?Pre–clitellar setae55–62/xxx69–71/xxx89–94/xxx70/xxv?Ventral setae number between male pores14–1613–179–1118?Spermathecal markings2 groups in viiAbsentAbsentNumerous next to spermathecal pore?Male markingsAbsentAbsentAbsent?1 pairAmpullaOvoid or cordate shapedOvalOvalCordate?DiverticulumCoiledcoiledStrongly wavedStraight?CaecaSimpleManicateManicateManicatemanicateTestis sacConnectedConnected 5SeparatedConnected?Accessory glandsMushroom shaped, long stalkAbsentAbsentMushroom shaped, long stalk?TyphlosoleLamelliformLamelliformLamelliformPoor develope?Lymp gland29/30Absent16/17Absent? Source. 1: Nguyen (2011); 2: Lam et al. (2020); 3: Do et al. (1994); 4: Michaelsen (1892); 5: Nguyen et al. (2022a) re–described the type specimen.