Updated list of species of the genus Haematozoon Leisering, 1865

Haematozoon dhanoriense (Shah, Allie, Vaid & Handoo, 2018) n. comb.

= Loffienema dhanoriensis Shah, Allie, Vaid & Handoo, 2018

Haematozoon giardi (Maupas, 1915) Sudhaus, 2011

= Rhabditis giardi Maupas, 1915

= Rhabditis (Telorhabditis) giardi Maupas, 1915 (Osche, 1952)

= Rhabditis (Rhabditoides) giardi Maupas, 1915 (Sudhaus, 1976)

= Rhabditoides giardi (Maupas, 1915) Sudhaus, 1976, opus Dougherty (1955)

Haematozoon subulatum (Leisering, 1865) Sudhaus, 2011 (type species)

= Rhabditis (Telorhabditis) inermiformis Osche, 1952

= Rhabditis (Rhabditoides) inermiformis Osche, 1952 (Sudhaus, 1976)

= Rhabditoides inermiformis (Osche, 1952) Sudhaus, 1976, opus Dougherty, 1955

= Protorhabditis multiovata Slepetiene, 1961

= Rhabditoides zocchi Marinari-Palmisano, 1967

Key to species identification (Table 1)

1a – Stomatal tube wider, about 3.5 times longer than wide; gymnostom shorter than promesostegostom.... Haematozoon dhanoriense

1a – Stomatal tube narrower, about 6.5-8.5 times longer than wide; gymnostom longer than promesostegostom.............. 2

2a – Male tail, apparently, cupola-shaped....................................................... Haematozoon giardi

2b – Male tail, conoid, ventrally curve ...................................................... Haematozoon subulatum