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|Type: ||Journal article|
|Title: ||Nematodes from galls on Myrtaceae. III. Fergusobia from flower bud and stigma galls on Eucalyptus, with descriptions of four new species|
|Author: ||Davies, Kerrie Ann|
Giblin-Davis, Robin M.
Taylor, Gary Stewart
Thomas, W. Kelley
|Citation: ||Zootaxa, 2012; 2012(3532):1-36|
|Publisher: ||Magnolia Press|
|Issue Date: ||2012|
|School/Discipline: ||School of Agriculture, Food and Wine|
|Kerrie Davies, Robin Giblin-Davis, Weimin Ye, Gary Taylor and Kelley Thomas|
|Abstract: ||Four new species of Fergusobia from flower bud galls and a stigma gall on Eucalyptus spp. in Australia are described. Fer-gusobia eugenioidae Davies n. sp. is characterised by having an arcuate, open C or C-shaped parthenogenetic female with a conoid tail, an arcuate to open C-shaped infective female with a hooked tail region and a broadly rounded tail tip, and arcuate or open C-shaped males with angular spicules and short bursa. Fergusobia fasciculosae Davies n. sp. is character-ised by the combination of an arcuate parthenogenetic female with a short, broadly conoid tail, an open C-shaped infective female with a hemispherical tail tip, and J-shaped males with angular spicules and short peloderan bursa. This is the first Fergusobia/Fergusonina association to be described from flower stigma galls. Fergusobia juliae Davies n. sp. is character-ised by the combination of an arcuate to C-shaped parthenogenetic female with a short, broadly conoid tail, a J-shaped in-fective female with a hooked tail region, a cuticular plate around the vulva, and a broadly rounded tail tip, and J-shaped males with angular spicules and short peloderan bursa. Fergusobia morrisae Davies n. sp. has a C-shaped parthenogenetic female with a narrowly conoid tail, an arcuate or J-shaped infective female with most curvature behind the vulva and a short tail with an almost hemispherical tip, and arcuate or J-shaped males with strongly sclerotised, angular spicules and a long peloderan bursa. Other known similar forms of Fergusobia/Fergusonina flower bud galls from Eucalyptus spp. are outlined and the larval shield morphology of their associated mutualistic fly species is discussed where known. An inventory of all known Fergusobia/Fergusonina associations from flower bud galls from Eucalyptus spp. is presented. Molecular analysis of Fergusobia nematodes was inferred from DNA sequencing of 28S rDNA D2/D3 domains and a portion of mitochondrial DNA cytochrome oxidase subunit I (mtCOI). Possible evolutionary relationships are discussed.|
|Keywords: ||Myrtaceae; galls; Neotylenchidae; Fergusonina; nematodes; flies; morphology; taxonomy; DNA sequencing; molecular phyloge|
|Rights: ||Copyright © 2012 Magnolia Press|
|Description (link): ||http://www.mapress.com/zootaxa/list/2012/3532.html|
|Appears in Collections:||Agriculture, Food and Wine Publications|
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