Short Communication - Description of Oionchus sindhicus n. sp., and Morphometric Data on O. paraobtusus Jairajpuri and Khan, 1982 and O. obtusus Cobb, 1913 from Pakistan

ABSTRACT Oionchus sindhicus n. sp., is described from specimens collected from soil around the roots of cotton (Gossypium hirsutum L.) from Umerkot, Sindh, Pakistan. The new species is characterized by having a combination of characters: body length of female 0.7-1.0 mm, vulva at 56-59 percent of bo...

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Bibliographic Details
Published in:Pakistan journal of zoology 2022-04, Vol.54 (2), p.993
Main Authors: Ishaq, Uzma, Dawar, Shahnaz, Kazi, Nasira, Iqbal, Erum, Raza, Saboohi
Format: Article
Language:English
Subjects:
Body length
Conflicts of interest
Cotton
Dental roots
Females
Gossypium hirsutum
Identification and classification
Nematoda
Nematodes
New species
Oionchus
Oral cavity
Pharynx
Physical characteristics
Rectum
Teeth
Uterus
Vulva
Zoological research
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Summary:ABSTRACT Oionchus sindhicus n. sp., is described from specimens collected from soil around the roots of cotton (Gossypium hirsutum L.) from Umerkot, Sindh, Pakistan. The new species is characterized by having a combination of characters: body length of female 0.7-1.0 mm, vulva at 56-59 percent of body length, anterior part of buccal cavity 5-7 µm wide, pharynx 198-238 µm long, tail 30-33 µm long, post uterine sac 10-16 µm in length, apex of dorsal tooth 3-5 µm from anterior end. Morphometric and morphological data of O. paraobtusus Jairajpuri and Khan, 1982 and O. obtusus Cobb, 1913 are also given. These species are described and redescribed for the first time from Pakistan.
ISSN:0030-9923