Original Research

A first list of plant-parasitic nematodes from the Tsitsikamma National Park, with descriptions of two new species of the subfamily Criconematinae

Esther Van den Berg
Koedoe | Vol 39, No 1 | a281 | DOI: https://doi.org/10.4102/koedoe.v39i1.281 | © 1996 Esther Van den Berg | This work is licensed under CC Attribution 4.0
Submitted: 06 August 1996 | Published: 06 August 1996

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Esther Van den Berg, ARC-Plant Protection Research Institute

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Plant nematodes recorded during surveys in the Tsitsikamma National Park are listed and two new Criconematinae species are described. Females of Criconemoides silvicola spec. nov. have the first three or four annuli separated from the following annuli by a discontinuity, dorsally and ventrally fused submedian lobes which are connected by a ridge laterally, 106-127 smooth, retrorse annuli with numerous irregularities and three to 11 anastomoses, a sharp-pointed tail with last few annuli extended and a 41-49 Urn-long stylet. Ogma tuberculatum spec. nov. females have 53-59 retrorse, tuberculate annuli with six longitudinal rows of broad tuberculate scales, two lip annuli, first with greater diameter than second and a 84-102 urn-long stylet. Males without stylet, with four lines in each lateral field. Juveniles with 61- 68 retrorse annuli, bearing 12 to 14 longitudinal rows of large, broad, rounded, minutely tuberculate, overlapping scales.


Criconemoides, new species, Ogma, taxonomy, Tsitsikamma National Park.


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