Metaphire Sims & Easton 1972

Key to the species of Metaphire in southeastern Vietnam 1. Male pores in xix....................................................................2 – Male pores in xviii..................................................................3 2. Spermathecal pores paired lateroventrally in 5/6/7/8/9. Clitellum normal, ring-shaped.............. M. anomala (Michaelsen, 1907) – Spermathecal pores paired lateroventrally in 5/6/7/8. Clitellum saddle-shaped (Fig. 6)......................... M. setosa, new species 3. Genital markings present in the male region.........................4 – Genital markings absent in the male region.........................12 4. Intestinal caeca manicate.............................................................................................. M. pacseana (Thai & Samphon, 1988) – Intestinal caeca simple............................................................5 5. Spermathecal pores in 5/6/7/8/9.............................................6 – Spermathecal pores in 6/7/8/9................................................9 6. Genital markings in intersegment 19/20 and subsequent intersegments. Setal penis present.............................................................................. M. malayanoides Nguyen & Lam, 2017 – Genital markings present in segments. No setal penis..........7 7. Only one pair of genital markings in xviii. Septum 8/9 absent.................. M. grandiverticulata Nguyen & Lam, 2017 – No genital markings in xviii. Septum 8/9 present................8 8. Spermathecal pores located dorsally. Four to eight pairs of genital markings in xvii, xix, and subsequent segments (Fig. 5)................................................. M. songbeensis, new species – Spermathecal pores located lateroventrally. Two pairs of genital markings in xvii and xix.......... M. posthuma (Vaillant, 1868) 9. Spermathecal pores located dorsally. Genital markings present in xvii and xix (Fig. 2)........................... M. haui, new species – Spermathecal pores located not dorsally. Genital markings present in intersegments 17/18 and 18/19............................10 10. Male region strongly concave.............. M. bahli (Gates, 1945) – Male region not concave. Genital markings disc-shaped....11 11. The openings of copulatory pouches close to ventromedial line. Septum 10/11 absent............ M. saigonensis (Omodeo, 1957) – The openings of copulatory pouches not close to ventromedial line. Septum 10/11 present............. M. peguana (Rosa, 1890) 12. Intestinal caeca manicate.....................................................13 – Intestinal caeca simple..........................................................14 13. Spermathecal pores in 5/6/7/8/9. First dorsal pore in 11/12. Seminal vesicles connected (Fig. 3)................................................................................................ M. bariaensis, new species – Spermathecal pores in 7/8/9. First dorsal pore in 10/11. Seminal vesicles separated................... M. californica (Kinberg, 1867) 14. Spermathecal pore starting from 6/7....................................15 – Spermathecal pore starting from 7/8....................................17 15. Three spermathecal pores in 6/7/8/9................................................................................................. M. houlleti (Perrier, 1872) – Two spermathecal pores in 6/7/8..........................................16 16. First dorsal pore in 12/13. Accessory glands present, ending at spermathecal ducts........... M. guillelmi (Michaelsen, 1895) – First dorsal pore in 11/12. Accessory glands absent (Fig. 4)....................................................... M. planatoides, new species 17. Two spermathecal pores in 7/8/9. No setal penis (Fig. 7).......................................................... M. houlletoides, new species – Only one pair of spermathecal pores in 7/8. Setal penis present........................ M. xuanlocensis Nguyen & Lam, 2017
Published as part of Nguyen, Tung T., Nguyen, Nam Q., Lam, Dang H. & Nguyen, Anh D., 2020, Six new species of the genus Metaphire Sims & Easton, 1972 (Annelida: Oligochaeta: Megascolecidae) from southeastern Vietnam, pp. 220-236 in Raffles Bulletin of Zoology 68 on pages 234-235, DOI: 10.26107/RBZ-2020-0019, http://zenodo.org/record/4577217
{"references":["Michaelsen W (1907) Neue Oligochaten von Vorder-Indien, Ceylon, Birma und den Andaman-Inseln. Mitteilungen aus dem Naturhistorischen Museum in Hamburg, 24: 143 - 93.","Thai TB & Samphon K (1988) New subspecies and species of earthworms (Oligochaeta) from Laos PDR. Journal of Science of HNUE, special issue: 3 - 25.","Nguyen TT, Trinh TKB, Nguyen THL & Nguyen AD (2017) Earthworms (Annelida: Oligochaeta) from islands of Kien Hai District, Kien Giang Province, Vietnam, with descriptions of two new species and one subspecies. Journal of Natural History, 51 (15 - 16): 883 - 915.","Vaillant L (1868) Note sur l'anatomie de deux especes du genre Perichaeta et essai de classification des Annelides Lombriciens. Annales des Sciences Naturelles, 10: 225 - 256.","Gates GE (1945) On some earthworms from Ceylon II. Spolia Zeylanica, 24: 69 - 90.","Omodeo P (1957) Oligocheti dell' Indocina e del Mediterraneo Orientale. Memorie del Musceo Civico di Storia Naturale, 5: 321 - 336.","Rosa D (1890) Viaggio di Leonardo Fea in Birmanica e regioni vicini, XXVI. Perichaetidi. Annali del Museo civico di storia naturale Giacomo Doria, 10: 107 - 122.","Kinberg JGH (1867) Annulata Nova. Ofversigt af Kongl. Vetenskaps-Akademiens Forhandlingar, 23: 97 - 103.","Perrier E (1872) Recherches pour servir a l'histoire des Lombriciens terrestres. Nouvelles Archives du Museum d'Histoire Naturelle de Paris, 8: 5 - 198.","Michaelsen W (1895) Zur kenntnis der Oligochate. Abhandlungen aus dem Gebiete der Naturwissenschaften, Herausgegeben von dem naturwissenschaftlichen Verein in Hamburg, 13 (2): 1 - 37."]}