''N. fasciatus'' has 18-20 spines in pronotal ctenidium, but genal ctenidium are absent. It has an elongated body, with 3-4mm in length.
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''N. fasciatus'' is of the family ''ceratophyllidae''. It has 18-20 spines in pronotal ctenidium, but genal ctenidium are absent. It has an elongated body, with 3-4mm in length.