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Original Articles

On the “Paractinolaimus” genus group (Nematoda: Actinolaimidae), with description of five new and two rare species of Egtitus Thorne, 1967

Pages 453-494 | Received 17 Aug 2011, Accepted 16 Nov 2011, Published online: 05 Jan 2012
 

Abstract

Five genera of the family Actinolaimidae, subfamily Actinolaiminae are united in the “Paractinolaimus” genus group. Four of them, Egtitus, Nothactinolaimus, Stopractinca and Westindicus are characterized, and their species are listed. Five new species are described with illustrations of both female and male sexes: Egtitus africanus sp. nov. from South Africa, Egtitus remotus sp. nov. from Papua New Guinea, Egtitus chilenus sp. nov. from Chile, Egtitus biformis sp. nov. and Egtitus longicaudatus sp. nov. from Papua New Guinea. The taxonomic position of Egtitus elaboratus (Cobb, Citation1906) is discussed. The first records since their original descriptions of two rare species, Egtitus bryophilus Thorne, Citation1967 (type of the genus) from Peru and Egtitus neocyatholaimus (Kreis, Citation1936) from Papua New Guinea. Identification keys to species of Egtitus and Westindicus are provided and some new combinations are proposed.

Acknowledgements

I am grateful to my friends Prof. R. Peña-Santiago (Jaén) and Prof. W. Ahmad (Aligarh) for their assistance in obtaining some rare publications.

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