Metaphire Sims & Easton 1972
Creators: name: Nguyen, Tung T.
name: Nguyen, Nam Q.
name: Lam, Dang H.
name: Nguyen, Anh D.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Annelida
Clitellata
Haplotaxida
Megascolecidae
Metaphire

description: 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
description: 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