TABLE 5. A in A new earthworm species of the genus Amynthas (Clitellata: Megascolecidae) from northern Taiwan, false synonymy between Amynthas corticis (Kinberg, 1867) and Amynthas sheni (Chen, 1935) and other taxonomic issues relating to A. corticis

TABLE 5. A comparison of characters among Amynthas jampeanus (Benham, 1896), A. jampeanus fumigatus (Michaelsen, 1899) and A. bonthainensis (Benham, 1896). Data from the original descriptions except some of those for A. jampeanus fumigatus.
Amynthas jampeanus (Benham, 1896)Amynthas jampeanus fumigatus (Michaelsen, 1899)Amynthas bonthainensis (Benham, 1896)LocalityJampea Island, south of Sulawesicentral SulawesiBonthain Peak, south SulawesiNumber of specimens321Body length (mm)310–315350280Segment number150131107Diameter (mm)10–121817First dorsal pore12/13–12/13Setal numberIII7053 (V)92IX7084125 (XIII)XXIV10070 (XXV)128 or 130 (XXVI)between male pores13–14–3Genital papillaepreclitellarabsentabsent1absentpostclitellarabsentthree in presetal XVII and XIX1three in presetal XVII and XIX–XX (left one wanting in XX)Male poreswidely paired, each pore on a papilla at each end of a pink, dumb-bell-shaped areaclosely paired, each pore on a large round swollen area1closely paired, each pore on a large round swollen area with an anterior papillaSpermathecal pores7/8/9, about 19 or 20 setae between pores7/8/9, about 8 setae between pores1not visibleSpermathecaeampulla spherical with a short duct and a long undulating diverticulum dilated terminally to form an oval seminal chamberampulla elongated-oval with a short duct and an undulating diverticulum terminating in a dilatation1ampulla oval with a short duct and a less undulating diverticulum dilated at the endIntestinal caecaXXVII, serrated with 11 or 12 secondary caecaXXVII, serrated with secondary caeca1XXVII, serrated with irregular secondary caecaProstate glandssmall in XVIIIXVII–1/2XIX1large in XVI–XVIIIProstatic ductsstout, short in an obliquely longitudinal directionshort, straight, thick1short, straight, thickAccessory glandabsentlarge, sessile1–
1 Data from Bantaowong et al. (2023).