Schistonchus (Aphelenchoididae) from Ficus benjamina in Australia, with description of S. benjamina sp. n.

Schistonchus (Aphelenchoididae) from Ficus benjamina in Australia, with description of S.... Ficus benjamina (Moracaeae subfamily Urostigma , section Conosycea ) grows naturally in tropical Asia and in Australia in the north of the Northern Territory and the Cairns region of Queensland. It is widely grown as an ornamental in more temperate regions of Australia. Schistonchus benjamina sp. n. is described from sycones of F. benjamina in Brisbane, and is differentiated from other species of Schistonchus by a combination of morphological characters including having the excretory pore opening near the head, a short post-vulval uterine sac, rose thorn-shaped spicule, lightly sclerotised stylet and spicule, and three pairs of subventral papillae on the tail (one adcloacal, one at mid-tail length and one near the tail tip); and apparent biogeographical range. Phylogenetic analyses based on D3 sequences from collections from both northern and southern Queensland suggest that S. benjamina sp. n. is a species complex, but specimens from the different locations cannot be separated on morphological or morphometric data. Schistonchus benjamina sp. n. is closest to S. microcarpus from F. microcarpa ( Urostigma , section Urostigma ) in China. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematology Brill

Schistonchus (Aphelenchoididae) from Ficus benjamina in Australia, with description of S. benjamina sp. n.

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Publisher
Brill
Copyright
© Koninklijke Brill NV, Leiden, The Netherlands
Subject
Articles
ISSN
1388-5545
eISSN
1568-5411
D.O.I.
10.1163/156854112X639892
Publisher site
See Article on Publisher Site

Abstract

Ficus benjamina (Moracaeae subfamily Urostigma , section Conosycea ) grows naturally in tropical Asia and in Australia in the north of the Northern Territory and the Cairns region of Queensland. It is widely grown as an ornamental in more temperate regions of Australia. Schistonchus benjamina sp. n. is described from sycones of F. benjamina in Brisbane, and is differentiated from other species of Schistonchus by a combination of morphological characters including having the excretory pore opening near the head, a short post-vulval uterine sac, rose thorn-shaped spicule, lightly sclerotised stylet and spicule, and three pairs of subventral papillae on the tail (one adcloacal, one at mid-tail length and one near the tail tip); and apparent biogeographical range. Phylogenetic analyses based on D3 sequences from collections from both northern and southern Queensland suggest that S. benjamina sp. n. is a species complex, but specimens from the different locations cannot be separated on morphological or morphometric data. Schistonchus benjamina sp. n. is closest to S. microcarpus from F. microcarpa ( Urostigma , section Urostigma ) in China.

Journal

NematologyBrill

Published: Jan 1, 2012

Keywords: fig tree; molecular; morphology; morphometrics; new species; phylogeny; taxonomy

References

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