Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/79443
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Type: Journal article
Title: Diploscapter formicidae sp n. (Rhabditida: Diploscapteridae), from the ant Prolasius advenus (Hymenoptera: Formicidae) in New Zealand
Author: Zhao, Z.
Davies, K.
Brenton-Rule, E.
Grangier, J.
Gruber, M.
Giblin-Davis, R.
Lester, P.
Citation: Nematology, 2013; 15(1):109-123
Publisher: Brill Academic Publishers
Issue Date: 2013
ISSN: 1388-5545
1568-5411
Statement of
Responsibility: 
Zeng Qi Zhao, Kerrie A. Davies, Evan C. Brenton-Rule, Julien Grangier, Monica A.M. Gruber, Robin M. Giblin-Davis and Philip J. Lester
Abstract: Diploscapter formicidae sp. n. was collected from the ant Prolasius advenus and its nests in native beech forests of the South Island, New Zealand. This is a new host record for the nematode genus and the first report of an ant associate from the southern hemisphere. Diploscapter formicidae sp. n. appears to be native to New Zealand. No males were found from collections from 16 nests, in agreement with previously published data on the other members of this genus, suggesting that males are absent or very rare. The adult females have bilateral symmetry of the head, characteristic dorsal and ventral projections of the putative cheilostom with paired hook-like structures or hamuli, expansive membranous lateral lip flaps or laciniae, gymnostom and stegostom with parallel walls, a swollen procorpus, large terminal bulb with a strong valve, paired ovaries with medial vulva, and a short conoid tail with slender pointed or spicate tip. Scanning electron micrographs of the structure of the head confirmed that the lateral laciniae with finger-like tines or filopodia are moveable (alternately covering and exposing the mouth). These lateral lip flaps are located posterior to the stoma, but anterior to the pore-like amphidial openings. The anterior margin of the cheilostom possesses apomorphic lateral bell-shaped projections and the hamuli are broader and less pointed than other species that have been examined. Molecular phylogeny of near full-length small subunit, D2/D3 expansion segments of the large subunit rRNA gene and heat shock protein 90 (Hsp90) gene showed that D. formicidae sp. n. is monophyletic with the Diploscapter species and isolates available in GenBank, but is on an independent trajectory supporting separate species status.
Keywords: Description; distribution; molecular; morphology; morphometrics; new host; new species; phylogeny; taxonomy
Rights: © Koninklijke Brill NV, Leiden, 2013
RMID: 0020126452
DOI: 10.1163/156854112X649828
Appears in Collections:Agriculture, Food and Wine publications
Environment Institute publications

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