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  • Journal Of Nematology

 

Article

Molecular and Morphological Characterization of Xiphinema chambersi Population from Live Oak in Jekyll Island, Georgia, with Comments on Morphometric Variations

A population of Xiphinema chambersi from the root zone around live oak (Quercus virginiana Mill.) trees on Jekyll Island, GA, is described using both morphological and molecular tools and compared with descriptions of type specimens. Initially, because of a few morphological differences, this nematode was thought to represent an undescribed species. However, on further examination, the morphometrics of the nematodes from live oak tend to agree with most of the morphometrics in the

ZAFAR A. HANDOO, LYNN K. CARTA, ANDREA M. SKANTAR, SERGEI A. SUBBOTIN, STEPHEN W. FRAEDRICH

Journal of Nematology , ISSUE 1, 20–27

research-article

Description of Deladenus gilanica n. sp. (Hexatylina: Neotylenchidae) isolated from wood of black pine in Northern Iran

measurements are provided in Table 1. Table 1. Morphometrics of female of Deladenus gilanica n. sp. from Iran. Mycetophagous stage Infective stage Characters Holotype female Paratype females Paratype females n − 10 4 L 367 364.8 ± 33.7 (314-422) 330.3 ± 17.6 (310-341) L' 361 335.4 ± 33.3 (285-393) 294.7 ± 15.3 (277-304) a 18.6 21.1 ± 2.6 (18.1-26.5) 28.3 ± 0.1 (28.2-28.4) b 8.5 7.1 ± 0.9 (5.9-8.5) 6.2 ± 1.8 (5.1-8.3) b' 5.7 5.0 ± 0.9 (4.1-6.9) 3.7 ± 0.4 (3.4-4.1) c 13.4

Parisa Jalalinasab, Mehrab Esmaeili, Weimin Ye, Ramin Heydari

Journal of Nematology , 1–10

Research Article

First Report of Carrot Cyst Nematode Heterodera carotae in Mexico: Morphological, Molecular Characterization, and Host Range Study

During 2008 to 2016 in several nematological surveys in the Tepeaca Valley, Puebla, Mexico, carrot cyst nematode, Heterodera carotae was found parasitizing carrots, Daucus carota. The nematode was present in 61% of the sampled fields with high population densities, causing severe carrot yield losses in the Tepeaca Valley. The aim of this work was to study morphology, morphometrics, host range, and molecular characterization of the nematode. The morphological and morphometric characterization

Ilia Mariana Escobar-Avila, Edgar Óliver López-Villegas, Sergei A. Subbotin, Alejandro Tovar-Soto

Journal of Nematology , ISSUE 2, 229–242

research-article

Integrative taxonomy of Xiphinema histriae and Xiphinema lapidosum from Spain

convergence, the remaining samples were retained for further analyses. The topologies were used to generate a 50% majority rule consensus tree. Posterior probabilities (PP) are given on appropriate clades. Trees from all analyses were visualized using FigTree software V.1.42 (http://tree.bio.ed.ac.uk/software/figtree/). Results Systematics Xiphinema histriae Lamberti et al. (1993a, 1993b). (Figs. 1–3; Table 2). Table 2. Comparative morphometrics of females and males of Xiphinema histriae (Lamberti

Ruihang Cai, Antonio Archidona-Yuste, Carolina Cantalapiedra-Navarrete, Juan E. Palomares-Rius, Jingwu Zheng, Pablo Castillo

Journal of Nematology , 1–21

Research Article

Description of Aphelenchoides giblindavisi n. sp. (Nematoda: Aphelenchoididae), and Proposal for a New Combination

morphometric data ranges. The morphological features and morphometrics of the second studied species, A. helicus, agreed well with the data given for the type population. However, detailed study of fresh females revealed it has three drop-shaped stylet knobs and long PUS, making it typologically similar to the genus Robustodorus, meriting its taxonomic revision, i.e., transferring to it. In molecular phylogenetic analyses using partial small and large subunit ribosomal RNA gene (SSU and LSU rDNA) sequences

Farzad Aliramaji, Ebrahim Pourjam, Sergio Álvarez-Ortega, Farahnaz Jahanshahi Afshar, Majid Pedram

Journal of Nematology , ISSUE 3, 437–452

Article

Morphological and Molecular Identification of Longidorus euonymus and Helicotylenchus multicinctus from the Rhizosphere of Grapevine and Banana in Greece

Plant-parasitic nematodes such as Longidorus euonymus and Helicotylenchus multicintctus are species widely distributed in central Europe as well as in Mediterranean area. In Greece, both species have been previously reported but no morphometrics or molecular data were available for these species. Nematode surveys in the rhizosphere of grapevines in Athens carried out in 2016 and 2017, yielded a Longidorus species identified as Longidorus euonymus. Similarly, a population of Helicotylenchus

EMMANUEL A. TZORTZAKAKIS, CAROLINA CANTALAPIEDRA-NAVARRETE, PABLO CASTILLO, JUAN E. PALOMARES-RIUS, ANTONIO ARCHIDONA-YUSTE

Journal of Nematology , ISSUE 3, 233–235

research-article

First report of Xiphinema hunaniense Wang & Wu, 1992 (Nematoda: Longidoridae) in Vietnam

overlapping morphometrics of some species groups in the genus Xiphinema make quarantine regulations and protection methods more difficult. Therefore, accurate identification of Xiphinema species using integrate approach is strongly recommended to create a basis for plant pest management. In Vietnam, eight species of the genus Xiphinema have been reported, however, molecular identification are not available for most of them (Nguyen and Nguyen, 2000), and thus, a higher diversity of Xiphinema spp. is

Huu Tien Nguyen, Thi Duyen Nguyen, Thi Mai Linh Le, Quang Phap Trinh

Journal of Nematology , 1–4

Research Article

Description of Xiphinema parachambersi sp. n. (Nematoda: Longidoridae) from Imported Ornamental Plants in Japan with a Key to Xiphinema Species in Group 1

Munawar Maria, Weimin Ye, Qing Yu, Jianfeng Gu

Journal of Nematology , ISSUE 3, 369–386

Original Research

Description of Pseudacrobeles (Pseudacrobeles) curvatus sp. n. (Cephalobidae: Rhabditida) in South Korea

Abstract Pseudacrobeles (Pseudacrobeles) curvatus sp. n. was collected from potato fields in Gyeongsangnam-do, South Korea. The new species shares morphological characters typical of the genus Pseudacrobeles, including three lateral incisures that fade posteriorly near the phasmid openings. The new species differs from other Pseudacrobeles species by its smaller body size and a comparatively shorter corpus relative to the isthmus length. In this study, we provide a comparison of morphometrics

Jiyeon Kim, Taeho Kim, Joong-Ki Park

Journal of Nematology , ISSUE 2, 162–167

research-article

First report of Meloidogyne naasi parasitizing turfgrass in Portugal

M. Clara Vieira dos Santos, M. Teresa M. Almeida, Sofia R. Costa

Journal of Nematology , 1–4

research-article

Morphological and molecular characterization of Pungentus sufiyanensis n. sp. and additional data on P. engadinensis (Altherr, 1950) Altherr, 1952 (Dorylaimida: Nordiidae) from northwest of Iran

The genus Pungentus is an interesting dorylaimid genus, often found in forest habitats of the Northern Hemisphere, and with very restricted presence in southern territories. Its taxonomy was updated by Álvarez-Ortega and Peña-Santiago (2014), who listed 16 valid species and other four inquirendae or incertae sedis and provided a key to their identification as well a compendium of their main morphometrics. Available information about Pungentus species from Iran is very limited. Solouki et al

Nasir Vazifeh, Gholamreza Niknam, Habibeh Jabbari, Reyes Peña-Santiago

Journal of Nematology , 1–12

research-article

Characterization of a population of Pelodera strongyloides (Nematoda: Rhabditidae) associated with the beetle Lucanus ibericus (Coleoptera: Lucanidae) from Georgia

. In the present study, a Georgian population of P. strongyloides recovered for the first time from L. ibericus and was fully characterized by morphology and morphometrics. Furthermore, the PCR amplification and sequencing of the D2 to D3 expansion domains of the 28S rRNA gene, the ITS, and the mitochondrial COI were carried out. The phylogenetic relationships of P. strongyloides from Georgia to other Pelodera species and Rhabditidae were also reconstructed. Materials and methods Nematode

O. Gorgadze, A. Troccoli, E. Fanelli, E. Tarasco, F. De Luca

Journal of Nematology , 1–12

Article

Taxonomy and Systematics of the Genus Makatinus Heyns, 1965 (Nematoda: Dorylaimida: Aporcelaimidae)

molecular data support a relationship with Aporcelaimellus, which, however, might not be as close as usually assumed. An emended diagnosis of the genus, a key to species identification, and a compendium of their morphometrics are provided. Makatinus siddiqii is regarded as species inquirenda, Makatinus simus is retained under Eudorylaimus, and Makatinus tritici becomes a junior synonym of Aporcelaimellus tritici.

REYES PENA-SANTIAGO, INGRID VARELA

Journal of Nematology , ISSUE 3, 245–253

research-article

Morphological and Molecular Characterization of Oscheius saproxylicus sp. n. (Rhabditida, Rhabditidae) From Decaying Wood in Spain, With New Insights into the Phylogeny of the Genus and a Revision of its Taxonomy

warts of the lateral fields); (G, H) Tail in ventral and lateral views, respectively (arrow at phasmid); (I) Lateral field. Material examined Fifty one females in generally acceptable state of preservation. Measurements See Table 1. Table 1. Morphometrics of Oscheius saproxylicus sp. n. Measurements in μm and in the form: mean ± standard deviation (range) where appropriate. Locality Puente de la Sierra Province Jaén Habitat Dead wood n Holotype female Paratypes 50 females

Joaquín Abolafia, Reyes Peña-Santiago

journal of nematology , 1–21

Article

Occurrence of Panagrellus (Rhabditida: Panagrolaimidae) Nematodes in a Morphologically Aberrant Adult Specimen of Rhynchophorus ferrugineus (Coleoptera: Dryophthoridae)

and 18S ribosomal DNA and shown to belong to the family Panagrolaimidae (Rhabditida), within a clade of Panagrellus. While most nematodes in the insect were juveniles, a single male adult was partially characterized by light microscopy. Morphometrics showed similarities to a species described from Germany. Excluding the entomopathogenic nematodes (EPN), only five other genera of entomophilic or saprophytic rhabditid nematodes are associated with this weevil. This is the first

MANUELA CAMEROTA, GIUSEPPE MAZZA, LYNN K. CARTA, FRANCESCO PAOLI, GIULIA TORRINI, CLAUDIA BENVENUTI, BEATRICE CARLETTI, VALERIA FRANCARDI, PIO FEDERICO ROVERSI

Journal of Nematology , ISSUE 1, 1–6

Research Article

Two nematodes (Nematoda: Diplogastridae, Rhabditidae) from the invasive millipede Chamberlinius hualienensis Wang, 1956 (Diplopoda, Paradoxosomatidae) on Hachijojima Island in Japan

juvenile Oscheius rugaoensis (Zhang et al., 2012) Darsouei et al., 2014 (Rhabditidae), and juvenile and adult Mononchoides sp. (Diplogastridae) based on images, morphometrics, and sequences of 18S and 28S rDNA. A novel short 28S sequence of a separate population of Oscheius necromenus SB218 from Australian millipedes was also included in a phylogenetic comparison of what can now be characterized as a species complex of millipede-associated Oscheius. The only other nematode associates of millipedes

L. K. Carta, W. K. Thomas, V. B. Meyer-Rochow

Journal of Nematology , ISSUE 4, 479–486

Article

Molecular and Morphological Characterization of Aphelenchoides fuchsi sp. n. (Nematoda: Aphelenchoididae) Isolated from Pinus eldarica in Western Iran

MEHRAB ESMAEILI, RAMIN HEYDARI, MOZHGAN ZIAIE, JIANFENG GU

Journal of Nematology , ISSUE 1, 34–42

Research Article

Samplings of Millipedes in Japan and Scarab Beetles in Hong Kong result in five new Species of Pristionchus (Nematoda: Diplogastridae)

. fukushimae on Japanese millipedes. In addition, the authors found three new Pristionchus species on millipedes, which are described as P. riukiariae sp. n., P. degawai sp. n., and P. laevicollis, sp. n., the latter of which was also found on stag beetles. These species are most closely related to P. maxplancki, P. japonicus, and P. quartusdecimus and belong to the pacificus species-complex. The authors describe all species based on morphology, morphometrics, and genome-wide sequence analysis. Mating

Natsumi Kanzaki, Matthias Herrmann, Kohta Yoshida, Christian Weiler, Christian Rödelsperger, Ralf J. Sommer

Journal of Nematology , ISSUE 4, 587–610

Research Article

Description of Gracilacus paralatescens n. sp. (Nematoda:Paratylenchinae) found from the rhizosphere of Bamboo in Zhejiang, China

Munawar Maria, Ruihang Cai, Weimin Ye, Thomas O. Powers, Jingwu Zheng

Journal of Nematology , ISSUE 4, 611–622

Article

Paurodontella parapitica n. sp. (Nematoda: Hexatylina, Sphaerularioidea) from Kermanshah Province, Western Iran

inner incisures weakly crenated, excretory pore situated 90 to 100 mmfrom anterior end; functional males common in the population, with spicules 24 to 26 mmlong. Tail of both sexes similar, almost straight and elongate-conoid. The new species resembles in morphology and morphometrics to four known species of the genus, namely P. apitica, P. minuta, P. myceliophaga, and P. sohailai. The results of phylogenetic analyses based on sequences of D2/D3 expansion region of 28S rRNA gene

MEHRAB ESMAEILI, RAMIN HEYDARI, WEIMIN YE

Journal of Nematology , ISSUE 2, 109–115

Research Article

Occurrence of Sheraphelenchus sucus (Nematoda: Aphelenchoidinae) and Panagrellus sp. (Rhabditida: Panagrolaimidae) Associated with Decaying Pomegranate Fruit in Italy

Two different nematode species were recovered from pomegranate decaying fruit in two localities in Southern Italy: the mycetophagus nematode Sheraphelenchus sucus and a bacterial feeder nematode belonging to the Panagrolaimidae (Rhabditida) family. Morphometrics of the Italian population of S. sucus closely resemble that of the type population, whereas some differences were found when compared with another population from Iran. Molecular characterization of the Italian S. sucus using the 18S

ELENA FANELLI, ALBERTO TROCCOLI, NICOLA VOVLAS, GIANLUCA SCARCIA, ANNAMARIA MINCUZZI, SIMONA M. SANZANI, ANTONIO IPPOLITO, FRANCESCA DE LUCA

Journal of Nematology , ISSUE 4, 418–426

research-article

Two new Species of Pristionchus (Nematoda: Diplogastridae) include the Gonochoristic Sister Species of P. fissidentatus

sister group to all described beetle-associated Pristionchus species. Thus, the gonochorist P. paulseni sp. n. has a crucial position in the phylogeny of Pristionchus. In order to characterize both species, morphology, morphometrics, mating experiments and genome-wide transcriptome sequencing are used. Materials and methods Nematode cultivation One strain of P. paulseni sp. n. was isolated from an adult of Lucanus dybowski taiwanus (Miwa, 1937) (Coleoptera: Lucanidae) collected at Pilu sacred tree

Matthias Herrmann, Natsumi Kanzaki, Christian Weiler, Kohta Yoshida, Christian RÖdelsperger, Ralf J. Sommer

Journal of Nematology , 1–14

Article

Sectonema caobangense sp. n. from Vietnam (Nematoda, Dorylaimida, Aporcelaimidae)

SERGIO ALVAREZ-ORTEGA, THI ANH DUONG NGUYEN, JOAQUI´N ABOLAFIA, MICHAEL BONKOWSKI, REYES PEN˜A-SANTIAGO

Journal of Nematology , ISSUE 2, 95–103

Article

Description of a New Anguinid Nematode, Nothotylenchus phoenixae n. sp. (Nematoda: Anguinidae) Associated with Palm Date Trees and Its Phylogenetic Relations within the Family Anguinidae

sac well developed, 15 (14 to 17) mm long, female tail elongate-conoid with pointed terminus; and male with adanal bursa and spicules 21 to 22 mm long (n = 2). The new species comes close in morphology and morphometrics to five known species of the genus, namely N. affinis, N. hexaglyphus, N. persicus, N. taylori, and N. uniformis. Molecular analyses of the partial 18S, D2/D3 expansion segments of the partial 28S and internal transcribed spacer (ITS) revealed this as a new species. The sequences

MEHRAB ESMAEILI, RAMIN HEYDARI, WEIMIN YE

Journal of Nematology , ISSUE 3, 268–275

research-article

Updated description of Paratylenchus lepidus Raski 1975 and P. minor Sharma, Sharma and Khan, 1986 by integrating molecular and ultra-structural observations

et al., 2014). The Taizhou and Taiwan populations match well with the original description. However, it is presumed that the population from Hunan is not P. lepidus. The large variation in morphometrics and the photo documentation provided by Yu et al. (2014) are not clear enough to support the identification of this population as P. lepidus. Based on the number of lateral lines, stylet length and the presence/absence of vulval flap, Ghaderi et al. (2014) presented a grouping scheme of

Munawar Maria, Wentao Miao, Weimin Ye, Jingwu Zheng

journal of nematology , 1–13

research-article

Meloidogyne aegracyperi n. sp. (Nematoda: Meloidogynidae), a root-knot nematode parasitizing yellow and purple nutsedge in New Mexico

J. D. Eisenback, L. A. Holland, J. Schroeder, S. H. Thomas, J. M. Beacham, S. F. Hanson, V. S. Paes-Takahashi, P. Vieira

journal of nematology , 1–16

research-article

A new rare nematode Nothocriconemoides hangzhouensis n. sp. (Nematoda: Criconematidae) from Hangzhou, China

Munawar Maria, Wentao Miao, Ruihang Cai, Pablo Castillo, Jingwu Zheng

Journal of Nematology , 1–14

research-article

A new stunt nematode, Geocenamus chengi n. sp. (Nematoda: Merliniinae) in the rhizosphere of tea (Camellia sinensis) from Zhejiang Province, China

provinces, respectively (Ni and Liu, 2004; Li et al., 2004). Since then, none of the Geocenamus have ever been reported from China; considering the scarce occurrence of the Geocenamus species in China, the detected species was characterized morphologically (using light and scanning microscopy) and molecularly (with 18 S, 28 S, and ITS genes sequences). The morphometrics and morphological characters of the detected species were compared with the related Geocenamus species, and it found that this species

Munawar Maria, Wentao Miao, Pablo Castillo, Jingwu Zheng

Journal of Nematology , 1–13

Research Article

Two New Species of Pristionchus (Nematoda: Diplogastridae) from Taiwan and the Definition of the pacificus Species-Complex Sensu Stricto

kurosawai sp. n. that are closely related to P. pacificus. Together with five previously described species they form the “pacificus species-complex sensu stricto” that is characterized by all species forming viable, but sterile F1 hybrids indicating reproductive isolation. P. sikae sp. n. and P. kurosawai sp. n. have a gonochorist mode of reproduction and they are described using morphology, morphometrics, mating experiments, and genome-wide sequence analysis. We discuss the extreme diversification in

Kohta Yoshida, Matthias Herrmann, Natsumi Kanzaki, Christian Weiler, Christian Rödelsperger, Ralf J. Sommer

Journal of Nematology , ISSUE 3, 355–368

research-article

On the synonymy of Trophotylenchulus asoensis and T. okamotoi with T. arenarius, and intra-generic structure of Paratylenchus (Nematoda: Tylenchulidae)

Hossein Mirbabaei, Ali Eskandari, Reza Ghaderi, Akbar Karegar

Journal of Nematology , 1–14

Article

Morphological, Morphometric, and Molecular Characterization of Intraspecific Variations within Indian Populations of Meloidogyne graminicola

RAJAN SALALIA, R. K. WALIA, VISHAL SINGH SOMVANSHI, PUNEET KUMAR, ANIL KUMAR

Journal of Nematology , ISSUE 3, 254–267

Research Article

Xiphinema japonicum n. sp. (Nematoda: Longidorinae) from the Rhizosphere of Japanese Podocarpus macrophyllus (Thunb.), a Cryptic Species Related to Xiphinema bakeri Williams, 1961

LIRONG ZHAO, WEIMIN YE, MUNAWAR MARIA, MAJID PEDRAM, JIANFENG GU

Journal of Nematology , ISSUE 4, 404–417

research-article

Description of a new dagger nematode, Xiphinema barooghii n. sp. (Nematoda: Longidoridae) and additional data on the three known species of the genus from northwest of Iran

Xiphinema barooghii n. sp. (Figs. 1–3; Tables 1–3). Table 1 Morphometrics of Xiphinema barooghii n. sp. All measurements are in μm (except L in mm), and in the form: mean ± s.d. (range). Female Characters J1 J2 J3 J4 Holotype Paratypes n 3 1 5 5 – 8 L 1.15 ± 0.01 (1.14–1.16) 1.73 2.19 ± 0.12 (2.01–2.31) 3.07 ± 0.17 (2.87–3.34) 4.10 4.02 ± 0.21 (3.67–4.25) a 44.0 ± 2.3 (41.0–47.0) 41 55.0 ± 3.9 (51.0–62.0) 58.0 ± 5.0 (51.0–64.0) 55 59.0 ± 2.4 (53.0–63.0) b 3.7 ± 0.1 (3.6

Nasir Vazifeh, Gholamreza Niknam, Habibeh Jabbari, Arezoo Naghavi

Journal of Nematology , 1–17

Research Article

First Report of the Yellow Nutsedge Cyst Nematode, Heterodera cyperi, in Georgia, U.S.A.

terminus (22.7–29.2 μm, 26.3 μm). The lateral field of J2 had three lines. Cysts (n = 10; Fig. 1C) were lemon-shaped, light to dark brown in color with protruding neck and vulval cone. The cysts had ambifenestrated vulval cone and no bullae was present. Morphometrics included body length excluding neck (370.5–714.4 μm, 555.7 μm); body width (165.6–411.1 μm, 310.9 μm); neck length (36.5–66.3 μm, 49.8 μm); fenestra length (26.3–42.5 μm, 35.8 μm), and fenestra width (19.1–31.5 μm, 23.8 μm). DNA was

Abolfazl Hajihassani, Bhabesh Dutta, Ganpati B. Jagdale, Sergei A. Subbotin

Journal of Nematology , ISSUE 3, 456–458

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