Description of Hemienchytraeus wuhanensis sp. nov. (Annelida, Clitellata, Enchytraeidae) from central China, with comments on species records of Hemienchytraeus from China

Micrographs of Hemienchytraeus wuhanensis sp. nov. A, B, E–I, K, L in vivo C, D, J fixed A brain B dorsal view of oesophageal appendage C lateral view of oesophageal appendage D pharyngeal glands E epidermal gland cells in II–V ventrally F spermathecae and pharyngeal glands G nephridia in 7/8, anteseptale bottom-left H male glandular bulb, slightly everted I dorsal view of clitellum J ventral view of clitellum K sperm funnel L sperm duct and musculature of male copulatory organ Abbreviations: roa, root of oesophageal appendage; boa, branches of oesophageal appendage; oa, oesophageal appendage; sl, secondary pharyngeal gland lobes; dl, dorsal lobes of pharyngeal gland; am, ampulla; ct, connecting tube; ed, ectal duct; er, ental reservoir; hy, hyalocyte; gr, granulocyte; sd, sperm duct. Scale bars: 50 μm.