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Description of two new species of Iotonchium Cobb, 1920 (Tylenchida: Iotonchiidae) from Japan

Description of two new species of Iotonchium Cobb, 1920 (Tylenchida: Iotonchiidae) from Japan AbstractTwo new Iotonchium species are described from Japan. These species possessesfour adult forms; mycetophagous female, infective female, male andinsect-parasitic female. Iotonchium laccariae n. sp. is characterised byshort body length of all adult forms, right-angled L-shaped spicule withbeak-like distal arm, a pair of large papillae anterior to the cloacalopening, the dorso-ventrally flattened head of male and the reproductivefeatures of the parasitic female. The mycetophagous females of I. laccariaen. sp. inhabit the fruiting bodies of four Laccaria spp. Males and infectivefemales were also obtained from the fruiting bodies. The insect-parasiticfemales of I. laccariae n. sp. inhabit the haemocoel of a fungus gnat,Allodia laccariae. Iotonchium russulae n. sp. is characterised by the longbody length of the infective female, parasitic female and mycetophagousfemale, obtuse-angled L-shaped spicule with dorsally curved slender distalarm, a pair of bifid postcloacal papillae, presence of a mid-ventralpostcloacal papilla in the male and reproductive features of the parasiticfemale. The mycetophagous females, males and infective females of I.russulae n. sp. were obtained from the fruiting bodies of three Russula spp.and two Lactarius spp. The insect-parasitic females of I. russulae n. sp.inhabit the haemocoel of A. bipexa, a species of fungus gnat. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematology Brill

Description of two new species of Iotonchium Cobb, 1920 (Tylenchida: Iotonchiidae) from Japan

Tsuda, Kaku; Futai, Kazuyoshi
Nematology , Volume 7 (6): 13 – Jan 1, 2005
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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
1388-5545
eISSN
1568-5411
DOI
10.1163/156854105776186370
Publisher site
See Article on Publisher Site

Abstract

AbstractTwo new Iotonchium species are described from Japan. These species possessesfour adult forms; mycetophagous female, infective female, male andinsect-parasitic female. Iotonchium laccariae n. sp. is characterised byshort body length of all adult forms, right-angled L-shaped spicule withbeak-like distal arm, a pair of large papillae anterior to the cloacalopening, the dorso-ventrally flattened head of male and the reproductivefeatures of the parasitic female. The mycetophagous females of I. laccariaen. sp. inhabit the fruiting bodies of four Laccaria spp. Males and infectivefemales were also obtained from the fruiting bodies. The insect-parasiticfemales of I. laccariae n. sp. inhabit the haemocoel of a fungus gnat,Allodia laccariae. Iotonchium russulae n. sp. is characterised by the longbody length of the infective female, parasitic female and mycetophagousfemale, obtuse-angled L-shaped spicule with dorsally curved slender distalarm, a pair of bifid postcloacal papillae, presence of a mid-ventralpostcloacal papilla in the male and reproductive features of the parasiticfemale. The mycetophagous females, males and infective females of I.russulae n. sp. were obtained from the fruiting bodies of three Russula spp.and two Lactarius spp. The insect-parasitic females of I. russulae n. sp.inhabit the haemocoel of A. bipexa, a species of fungus gnat.

Journal

Nematology – Brill

Published: Jan 1, 2005

Keywords: ALLODIA BIPEXA; RUSSULA; FUNGUS GNAT; A. LACCARIAE; TAXONOMY; IOTONCHIUM RUSSULAE N. SP; MORPHOMETRICS; LACTARIUS; LACCARIA; MORPHOLOGY; IOTONCHIUM LACCARIAE N. SP

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