TABLE 2 in Two new earthworm species of the genus Metaphire Sims & Easton, 1972 (Annelida: Oligochaeta: Megascolecidae) from Highlands of Vietnam

TABLE 2. Comparison of the morphological of M. dalatensis sp. nov. and its congeners in the houlleti species-group. CharactersM. dalatensis sp. nov.M. amplectens 1M. honbaensis 1M. catbaensis 2M. dorsobitheca 3M. scitula 4Length (mm)95–12544–526212054100Diameter (mm)5.3–5.82–33–3.54–4.525Segments101–11090–11215010576?Spermathecal pores positionVentrolateralDorsalVentrolateralVentrolateralMid dorsal lineLateral lineFirst dorsal pore10/1112/13?‘12/1310/1112/13Pre-clitallar setae54–64/viii46/ix47/ix52/viii45/viii37–44/viiiPost-clitallar setae48–54/xxx50/xxv58/xix70/xxv44/xxv44–46/xxVentral setae between male pore12–14??2812–14Ventral setae number between spermathecal pores17/vii, 18/viii??22/viii?18–25/vii, 19–25/viiiVentral distance between spermathecal pores0.30x0.43x0.33x??0.5xVentral distance between male pores0.33x?0.37x???Male markingsAbsent??AbsentAbsentAbsentIntestinal swellingxv??xvxvixviAmpullaOvoidPear shapeEgg- to spherical-shapeCordateSacSmallDiverticulumStraightSinusoidal-shapedCurveTwistedSinusoidal-shapedTwistedShape of the seminal chamberSinusoidal-shaped, terminal end bean shapedCylindrical-shapedBean or egg shaped?Sightly swollenSpherical, ovoid, or elipsoidalProtatic ductQuestion mark shapeFoldsCrookedElongate, S-shapedElongatea-, u- or cshapedCopulatory pouch statusHighly elevatedHighly elevatedLimit inside body wallHighly elevatedHighly elevatedHighly elevated Source. 1: Michaelsen (1934); 2: Thai et al. (1992); 3: Thai and Le (1993); 4: Gates (1936).