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Athernema N. Gen. (Athernematinae N. Subfam.), a Unique Genus of Leptonchidae (Nematoda: Dorylaimida)

Athernema N. Gen. (Athernematinae N. Subfam.), a Unique Genus of Leptonchidae (Nematoda:... ATHERNEMA N. GEN. (ATHERNEMATINAE N. SUBFAM.), A UNIQUE GENUS OF LEPTONCHIDAE (NEMATODA: DORYLAIMIDA) BY MAQSOOD AHMAD and M. SHAMIM JAIRAJPURI Section of Nematology, Department of Zoology, Aligarh Muslim University, Aligarh 202001, India An interesting species of dorylaim, Athernema unicum n. gen., n. sp. is described from West Bengal, India. It is unique in the family Leptonchidae because of its strongly sclerotized amphids. It has asymmetrical spear, flask-shaped basal oesophageal bulb, mono-opisthodelphic reproductive system, and a long filiform tail in both sexes. A new subfamily Athernematinae is proposed for its reception. In soil samples collected during January, 1977 from near the National Botanical Gardens, Howrah (West Bengal), an interesting species of dorylaim was found which is unique in having strongly sclerotized amphids. In some other characters it shows affinities to several dorylaim genera, e.g., the general appearance and body shape at lower magnifications is like Dorylai??aoide.r, odontostyle is asymmetrical as in Paraxonchium, the oesophagus is like that of Tyleptu.rlB?t.ri?^otyleptu.r, the attachment of intestine to the posterior region of cardia is as in SwangerialQud- .riella and the ventromedian supplements are absent (or faintly represented) as in Oo.rtenbrinkell?. We accordingly propose a new genus, new species, Athernema unicum for this peculiar http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematologica Brill

Athernema N. Gen. (Athernematinae N. Subfam.), a Unique Genus of Leptonchidae (Nematoda: Dorylaimida)

Ahmad, Maqsood; Shamim Jairajpuri, M.
Nematologica , Volume 24 (4): 4 – Jan 1, 1978
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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2596
eISSN
1875-2926
DOI
10.1163/187529278X00588
Publisher site
See Article on Publisher Site

Abstract

ATHERNEMA N. GEN. (ATHERNEMATINAE N. SUBFAM.), A UNIQUE GENUS OF LEPTONCHIDAE (NEMATODA: DORYLAIMIDA) BY MAQSOOD AHMAD and M. SHAMIM JAIRAJPURI Section of Nematology, Department of Zoology, Aligarh Muslim University, Aligarh 202001, India An interesting species of dorylaim, Athernema unicum n. gen., n. sp. is described from West Bengal, India. It is unique in the family Leptonchidae because of its strongly sclerotized amphids. It has asymmetrical spear, flask-shaped basal oesophageal bulb, mono-opisthodelphic reproductive system, and a long filiform tail in both sexes. A new subfamily Athernematinae is proposed for its reception. In soil samples collected during January, 1977 from near the National Botanical Gardens, Howrah (West Bengal), an interesting species of dorylaim was found which is unique in having strongly sclerotized amphids. In some other characters it shows affinities to several dorylaim genera, e.g., the general appearance and body shape at lower magnifications is like Dorylai??aoide.r, odontostyle is asymmetrical as in Paraxonchium, the oesophagus is like that of Tyleptu.rlB?t.ri?^otyleptu.r, the attachment of intestine to the posterior region of cardia is as in SwangerialQud- .riella and the ventromedian supplements are absent (or faintly represented) as in Oo.rtenbrinkell?. We accordingly propose a new genus, new species, Athernema unicum for this peculiar

Journal

Nematologica – Brill

Published: Jan 1, 1978

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