World Database of Nematodes

Godjo, A.; Afouda, L.; Baimey, H.; Couvreur, M.; Zadji, L.; Houssou, G.; Bert, W.; Willems, A.; Decraemer, W. (2019). Steinernema kandii n. sp. (Rhabditida: Steinernematidae), a new entomopathogenic nematode from northern Benin. Nematology. 21(2): 107-128.

388066

10.1163/15685411-00003201 [view]

Godjo, A.; Afouda, L.; Baimey, H.; Couvreur, M.; Zadji, L.; Houssou, G.; Bert, W.; Willems, A.; Decraemer, W.

2019

21(2): 107-128

Publication

Available for editors   [request]

Two nematode isolates from the genus Steinernema were collected in northern Benin. Morphological, morphometric, molecular and cross-hybridisation studies placed these nematodes into a new species, Steinernema kandii n. sp., within the bicornutum-group. Phylogenetic analyses based on both ITS and D2-D3 regions of 28S rDNA revealed that S. kandii n. sp. is different from all known Steinernema species and sister to S. abbasi (97.3-97.6% ITS nucleotide similarity) and S. bifurcatum (98.3-98.4% D2-D3 similarity). Steinernema kandii n. sp. can be separated from other members of the bicornutum-group by the greater infective juvenile (IJ) max. body diam. of 35 (27-48) μm (type isolate). It differs from S. abbasi by the greater IJ body length 707 (632-833) μm (type isolate), EP distance 55 (52-60) μm (type isolate), spicule length 67 (57-75) μm (type isolate) and the occurrence of one pair of genital papillae at the cloacal aperture.

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