Description of Aphelenchoides xui sp. n. (Nematoda: Aphelenchoididae) in packaging wood from South Africa

Nematology ◽  
2013 ◽  
Vol 15 (3) ◽  
pp. 279-289 ◽  
Author(s):  
Xuan Wang ◽  
Pei Wang ◽  
Jianfeng Gu ◽  
Jiangling Wang ◽  
Hongmei Li
Keyword(s):  
South Africa ◽  
Phylogenetic Analysis ◽  
New Species ◽  
Body Length ◽  
Excretory Pore ◽  
Lateral Field ◽  
Male Tail ◽  
Female Tail ◽  
Group 2

Aphelenchoides xui sp. n. is described and illustrated from imported packaging wood from South Africa intercepted at Ningbo Port, China. The new species has a body length of 564-820 μm (males) and 549-882 μm (females). The cuticle is weakly annulated with four lines in the lateral field. The stylet is 11-13 μm long and has small basal swellings. The excretory pore is located ca one body diam. posterior to the median bulb, or 75-100 μm from the head. Spicules are relatively large (18-23 μm) with apex and rostrum rounded and well developed and the end of the dorsal limb clearly curved ventrad like a hook. The male tail bears six (2 + 2 + 2) caudal papillae. The spermatheca is axial and oblong and contains disc-like sperm. The female tail is conical, terminating in a complicated step-like projection, usually with many tiny nodular protuberances. The new species is morphologically similar to A. arcticus, A. haguei and A. parasaprophilus in Group 2 sensu Shahina, but is distinguished by spicule shape and form of the female tail terminus. Phylogenetic analysis based on SSU and partial LSU sequences revealed that A. xui sp. n. was closest to A. varicaudatus, although some species of Laimaphelenchus and Schistonchus were also included in the same branch.

Aphelenchoides smolae n. sp. (Tylenchina: Aphelenchoididae) found in Lilium orientalis imported into China from The Netherlands

Nematology ◽  
2020 ◽  
Vol 22 (7) ◽  
pp. 799-813
Author(s):  
Jingjing Cai ◽  
Jianfeng Gu ◽  
Xuan Wang ◽  
Yiwu Fang ◽  
Hongmei Li
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
The Netherlands ◽  
Body Length ◽  
Excretory Pore ◽  
Female Body ◽  
Nerve Ring ◽  
Male Body ◽  
Lateral Field ◽  
Group 2

Summary Aphelenchoides smolae n. sp. isolated in Ningbo Port, China, from medium soil and tissues of Lilium orientalis bulbs imported from The Netherlands, is described. It is characterised by the female body length of 826 (672-1002) μm and male body length of 785 (683-844) μm, lateral field with four lines (three bands), stylet 13.0-14.9 μm long with small basal swellings, excretory pore situated slightly posterior to nerve ring, vulval flap absent, post-vulval uterine sac well developed and extending for ca 35.7-62.4% of vulva to anus distance, conical tail with terminus bearing a single mucron with many tiny nodular protuberances under SEM, males common, with spicules 25.7-29.8 μm long (median curved line), the condylus and rostrum rounded, well developed, the dorsal limb with a hook-like tip, and tail bearing three pairs (2 + 2 + 2) of caudal papillae and a sharply pointed mucron. The new species belongs to the Group 2 category of Aphelenchoides species sensu Shahina. Phylogenetic analysis based on 18S, 28S D2-D3 of rDNA and COI mtDNA further characterised the new species.

Description of Stegelletina lingulata sp. n. (Nematoda, Rhabditida, Cephalobidae) from xeric environments in Iran

Zootaxa ◽  
2017 ◽  
Vol 4358 (3) ◽  
pp. 462
Author(s):  
JOAQUÍN ABOLAFIA ◽  
EBRAHIM SHOKOOHI
Keyword(s):  
New Species ◽  
Excretory Pore ◽  
Small Body ◽  
Reproductive Systems ◽  
Lateral Field ◽  
Male Tail ◽  
Line Drawings ◽  
Female Tail ◽  
Body Diameter ◽  
A New Species

A new species belonging to the genus Stegelletina, S. lingulata sp. n., is described from xeric natural areas from Iran. It is characterized by having small body (0.51–0.69 mm in females and 0.45–0.64 mm in males), cuticle slightly tessellated especially at anterior end, lateral field with three longitudinal incisures, lips with long acute process at primary axils and three more dentate processes at secondary axils, primary axils with one triangular axillar guard process and secondary axils lacking axillar processes, labial probolae long (9–11 µm) with slender peduncle lacking adaxial expansion and with convergent smooth prongs, stoma, pharynx and reproductive systems cephaloboid, excretory pore at isthmus level, spermatheca 1.1–1.4 times, and post-vulval sac 0.9–1.2 times the corresponding body diameters in length, female rectum 0.6–0.8 times anal body diameter long, female tail conoid (35–47 µm long, c = 14.0–15.6, c' = 2.1–2.7) with fine rounded terminus, male tail conoid, curved ventrad (53–59 µm long, c = 11.0–12.0, c' = 1.9–2.5) with rounded terminus, spicules 31–33 µm long with ventrally straight manubrium and gubernaculum 14–17 µm long. Measurements and illustrations (line drawings, LM and SEM) are provided for this species. In addition, comments on the morphology of the lip region of the species of the genus Stegelletina are included. 

Bursaphelenchus koreanus sp. n. (Nematoda: Parasitaphelenchidae) in packaging wood from South Korea

Nematology ◽  
2013 ◽  
Vol 15 (5) ◽  
pp. 601-609 ◽  
Author(s):  
Jianfeng Gu ◽  
Jiangling Wang ◽  
Xianfeng Chen
Keyword(s):  
New Species ◽  
South Korea ◽  
Body Length ◽  
Excretory Pore ◽  
Total Body Length ◽  
Lateral View ◽  
Lateral Field ◽  
Female Tail ◽  
Total Body

Bursaphelenchus koreanus sp. n., isolated in Ningbo, P.R. China, from packaging wood made from Pinus sp. imported from South Korea, is described. It is characterised by a slim body (a = 28-35), lateral field with four lines, excretory pore located at level of, or slightly posterior to, median bulb, vulva at 75% of total body length, presence of a distinct vulval flap in lateral view, post-uterine branch extending for ca two-thirds of vulva-anus distance, female tail conical and ventrally bent with slightly pointed, irregular or roughened terminus (c′ = 4.1), spicules large and arcuate (27-34 μm) with pointed rostrum, cucullus visible but sometimes reduced to a small blunt extension. The new species belongs to the xylophilus group and is most similar to B. luxuriosae and B. paraluxuriosae. It is distinguished from other Bursaphelenchus species by morphology, ITS-RFLP patterns and sequencing results.

Description of Bursaphelenchus yuyaoensis n. sp. (Nematoda: Aphelenchoididae) isolated from Pinus massoniana in China

Nematology ◽  
2014 ◽  
Vol 16 (4) ◽  
pp. 411-418 ◽  
Author(s):  
Jianfeng Gu ◽  
Jie He ◽  
Jiangling Wang ◽  
Xianfeng Chen
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Pinus Massoniana ◽  
Species Status ◽  
Separate Species ◽  
Lateral Field ◽  
Male Tail ◽  
Female Tail ◽  
Molecular Phylogenetic ◽  
Males And Females

Bursaphelenchus yuyaoensisn. sp. is described and figured from dyingPinus massonianain Yuyao, China. The new species clearly belongs to thehofmannigroup. It is characterised by relatively slim body (a = 43.7 and 36.2 for males and females, respectively), three lines in the lateral field, spicules relatively small (11.4-14.7 μm), mitten-shaped with the posterior third of the dorsal limb distinctly curved, condylus round and slightly dorsally bent, rostrum well developed with more or less rounded terminus, distal ends of spicules not forming a clear cucullus, male tail with a mucron-like process, female tail slightly ventrally bent with a bluntly rounded terminus, vulval lip not forming a vulval flap and post-uterine sac extending for about half the vulva-anus distance. The separate species status is supported by ITS-RFLP patterns and molecular phylogenetic analysis based on ITS1/2 sequences, which revealed thatB. yuyaoensisn. sp. is close toB. parvispicularisandB. paraparvispicularis.

Description of Aphelenchoides huntensis sp. n. (Nematoda: Aphelenchoididae) isolated from Pinus sylvestris in western Iran

Nematology ◽  
2016 ◽  
Vol 18 (3) ◽  
pp. 357-366 ◽  
Author(s):  
Mehrab Esmaeili ◽  
Yiwu Fang ◽  
Hongmei Li ◽  
Ramin Heydari
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Pinus Sylvestris ◽  
Excretory Pore ◽  
Western Iran ◽  
Rounded Apex ◽  
Female Tail ◽  
Lateral Lines ◽  
Group 2 ◽  
A New Species

Aphelenchoides huntensissp. n. is described and illustrated from wood and bark samples of a dead scots pine in Kermanshah Province, western Iran. The new species has a body length of 507-673 μm (females) and 636-640 μm (males). The cuticle is weakly annulated with four lateral lines. Lip region offset. The stylet is 9.5 (9.0-10.0) μm long with small basal swellings. The excretory pore is locatedcaone body diam. posterior to the metacorpus valve. The spicules are large with the dorsal limb 37 or 38 μm long (n = 2), and have a prominent rostrum and rounded apex. The female tail is conical, the terminus having a complicated step-like projection, usually with many tiny nodular protuberances. The male tail bears six (2 + 2 + 2) caudal papillae and a well-developed mucron. The new species belongs to the Group 2 category ofAphelenchoidesspecies. Phylogenetic analysis based on the 18S and 28S D2-D3 regions of rDNA confirmed its status as a new species.

Description of Ruehmaphelenchus taedae n. sp. (Nematoda: Aphelenchoididae) found in Loblolly pine logs from the USA

Nematology ◽  
2021 ◽  
pp. 1-10
Author(s):  
Jianfeng Gu ◽  
Yiwu Fang ◽  
Xinxin Ma ◽  
Xiaoling Lü ◽  
Xianfeng Chen
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Loblolly Pine ◽  
Excretory Pore ◽  
Lateral Field ◽  
Female Tail ◽  
The Status ◽  
The Usa ◽  
Males And Females ◽  
A New Species

Summary Ruehmaphelenchus taedae n. sp., isolated from Loblolly pine logs (Pinus taedae L.) from the USA, is described and figured. It is characterised by a relatively slim body (a = 42 and 43 for males and females, respectively), three lines in the lateral field, male spicules relatively small (12-18 μm) with high and dorsally bent condylus and weakly developed rostrum, bursal flap absent, short tail possessing a long terminal spike ending in a bluntly rounded tip and 8.7-13.3 μm long, vulva positioned at ca 83% of body length, vulval flap absent, vulval lips slightly protruding, post-vulval uterine branch extending for less than half of vulva to anus distance, and female tail conoid, ca 3-4 anal body diam. long, with 13.7-18.5 μm terminal projection. The new species can be separated from all other species of the genus by the male tail possessing a long terminal spike and the more anterior excretory pore. Detailed phylogenetic analysis based on 28S D2-D3 region sequences confirmed the status of this nematode as a new species.

Bursaphelenchus paraluxuriosae sp. n. (Nematoda: Parasitaphelenchidae) in packaging wood from Indonesia

Nematology ◽  
2012 ◽  
Vol 14 (7) ◽  
pp. 787-798 ◽  
Author(s):  
Jianfeng Gu ◽  
Jiangling Wang ◽  
Helen Braasch ◽  
Wolfgang Burgermeister ◽  
Thomas Schröder
Keyword(s):  
New Species ◽  
Body Length ◽  
Excretory Pore ◽  
Total Body Length ◽  
Lateral View ◽  
Precloacal Papilla ◽  
Lateral Field ◽  
Female Tail ◽  
Total Body

Bursaphelenchus paraluxuriosae sp. n., isolated in Ningbo, China, from packaging wood made from Alphitonia sp. (Rhamnaceae) imported from Indonesia is described. It is characterised by a slim body (a = 29-39), lateral field with four lines, excretory pore located at level of median bulb or slightly posterior, vulva at 75% of total body length, presence of a distinct vulval flap in lateral view, post-uterine branch ca two-thirds of the vulva-anus distance, female tail conical and slightly ventrally bent with irregular or roughened terminus (c′ = 4.4), spicules large and arcuate, with pointed rostrum and a cucullus, which is typical for the xylophilus group, but is reduced to a small blunt extension, and three pairs of ventro-sublateral papillae (one pair precloacal, two pairs postcloacal just anterior to the bursal flap and adjacent to each other) and a small single precloacal papilla present. The new species belongs to the xylophilus group and is most similar to B. luxuriosae. It is distinguished from other Bursaphelenchus species by morphology, ITS-RFLP patterns and sequencing results.

Bursaphelenchus posterovulvus sp. n. (Nematoda: Parasitaphelenchidae) in packaging wood from Singapore

Nematology ◽  
2014 ◽  
Vol 16 (4) ◽  
pp. 403-410 ◽  
Author(s):  
Jianfeng Gu ◽  
Ning Wang ◽  
Jie He ◽  
Jiangling Wang ◽  
Xianfeng Chen ◽  
...  
Keyword(s):  
New Species ◽  
Body Length ◽  
Excretory Pore ◽  
Phylogenetic Analyses ◽  
Total Body Length ◽  
Precloacal Papilla ◽  
Lateral Field ◽  
Female Tail ◽  
Total Body

Bursaphelenchus posterovulvussp. n., isolated in Ningbo, P.R. China, from non-coniferous packaging wood from Singapore is described. It is characterised by a slim body (a = 24-43), lip region strongly offset, stylet with prominent and strongly sclerotised basal swellings, lateral field with four lines, excretory pore located at level of median bulb, hemizonid 30-40 μm posterior to excretory pore, vulva at 82-86% of total body length, post-uterine branch extending forcatwo-thirds of vulva-anus distance, female tail conical and short (c′ = 2.3-3.0) with a pointed terminus, spicules short (11-16 μm) and slightly arcuate, rostrum blunt and relatively short, dorsal and ventral limbs conspicuous and their distal ends separated, three pairs of ventro-sublateral papillae and a single precloacal papilla. The new species is distinguished from otherBursaphelenchusspecies by morphology, ITS-RFLP patterns and phylogenetic analyses.

Bursaphelenchus paraburgeri sp. n. (Nematoda: Parasitaphelenchidae) in packaging wood from Malaysia

Nematology ◽  
2012 ◽  
Vol 14 (1) ◽  
pp. 39-50 ◽  
Author(s):  
Jiangling Wang ◽  
Jianfeng Gu
Keyword(s):  
New Species ◽  
Body Length ◽  
Excretory Pore ◽  
Total Body Length ◽  
Lateral View ◽  
Deciduous Trees ◽  
Lateral Field ◽  
Female Tail ◽  
Total Body

Bursaphelenchus paraburgeri sp. n., isolated in Ningbo, China, from packaging wood of deciduous trees imported from Malaysia is described. It is characterised by a slim body (a=32-37), lateral field with four lines, excretory pore located anterior to the metacorpus, vulva at 75% of total body length, presence of a thick vulval flap in lateral view, post-uterine branch about two-thirds of the vulva-anus distance long, female tail long and conical (c=15), tapering to a finely rounded or bluntly pointed terminus, spicules have only weakly developed rostrum and condylus, and cross-striped in their central part, three pairs of ventro-sublateral papillae (one pair precloacal, two pairs postcloacal just anterior to the bursal flap and adjacent to each other) and a single precloacal midventral papilla. The new species belongs to the africanus group of the genus Bursaphelenchus and is most similar to B. burgermeisteri and B. obeche, from which it can be distinguished, as well as from other Bursaphelenchus species, by morphology, ITS-RFLP patterns and sequencing results.

Bursaphelenchus chengi sp. n. (Nematoda: Parasitaphelenchidae) isolated at Nanjing, China, in packaging wood from Taiwan

Nematology ◽  
2008 ◽  
Vol 10 (3) ◽  
pp. 335-346 ◽  
Author(s):  
Hongmei Li ◽  
Phap Quang Trinh ◽  
Lieven Waeyenberge ◽  
Maurice Moens
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Body Size ◽  
Posterior Margin ◽  
Petri Dish ◽  
Packaging Materials ◽  
Lateral Field ◽  
Female Tail ◽  
Domain Sequence ◽  
Lateral Lines

Abstract Bursaphelenchus chengi sp. n. is described and illustrated. Dauer juveniles were isolated from imported wood packaging materials from Taiwan to Nanjing Port, China. Bursaphelenchus chengi sp. n. was reared and maintained on Petri dish cultures of the fungus Botrytis cinerea. The new species is characterised by the medium body size in both sexes, the presence of only two incisures in the lateral field and the robust and strongly curved spicules. The spicule lamina is angular distally, the rostrum digitate and the condylus rounded. The tail is arcuate with a pointed terminus. The bursa is usually truncate with the posterior margin indented in some specimens or rounded with a fine axial point. Females have a small vulval flap formed by a short extension of the cuticle of the anterior lip, and a conical tail that gradually tapers to an almost straight or slightly recurved, pointed or rounded terminus. Because of the presence of two lateral lines, similar spicule shape, tapering female tail and the presence of a small vulval flap, B. chengi sp. n. should be grouped in the abietinus-group sensu Braasch. together with B. abietinus, B. antoniae, B. hellenicus, B. hylobianum and B. rainulfi. ITS-RFLP profiles support the proposal of the new species, and phylogenetic analysis of the 28S rDNA D2/D3 domain sequence places it close to B. antoniae and other species of the abietinus-group.

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