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Description of Longidorella (Saevadorella) caspica n. sp. (Dorylaimida: Nordiidae) from north Iran

Journal of Nematology
Volume 53 (2021): Issue 1 (January 2021)
By:
Open Access
|Jan 2021

Figures & Tables

Figure 1:

Line drawings of Longidorella (Saevadorella) caspica n. sp. A-C, E-G: Female; D: Male. A: Pharynx; B: Anterior body region; C: Anterior end; D: Posterior body region; E and G: Tail and posterior body region, F: Posterior genital tract.
Line drawings of Longidorella (Saevadorella) caspica n. sp. A-C, E-G: Female; D: Male. A: Pharynx; B: Anterior body region; C: Anterior end; D: Posterior body region; E and G: Tail and posterior body region, F: Posterior genital tract.

Figure 2:

Photomicrographs of Longidorella (Saevadorella) caspica n. sp. A-D, F-I: Female; E: Male. A-D: Anterior and cephalic region; E and F: Entire body; G: Vulva in ventral view; H: Mature egg inside female reproductive system; I: Sperm inside the uterus. (Scale bars = 10 μm, except E and F = 100 μm).
Photomicrographs of Longidorella (Saevadorella) caspica n. sp. A-D, F-I: Female; E: Male. A-D: Anterior and cephalic region; E and F: Entire body; G: Vulva in ventral view; H: Mature egg inside female reproductive system; I: Sperm inside the uterus. (Scale bars = 10 μm, except E and F = 100 μm).

Figure 3:

Photomicrographs of Longidorella (Saevadorella) caspica n. sp. A and B, F and G: Male; C-E: Female. A and B: Posterior body region (Arrows showing supplements). C. Pharyngeal bulb. F-G: Posterior body region with spicules. (All scale bars = 10 μm).
Photomicrographs of Longidorella (Saevadorella) caspica n. sp. A and B, F and G: Male; C-E: Female. A and B: Posterior body region (Arrows showing supplements). C. Pharyngeal bulb. F-G: Posterior body region with spicules. (All scale bars = 10 μm).

Figure 4:

Bayesian 50% majority rule consensus tree inferred from the 28S rDNA D2-D3 sequences of Longidorella (Saevadorella) caspica n. sp. under the GTR + G + I model. Bayesian posterior probabilities (BPP) and maximum likelihood bootstrap (ML BS) values > 0.50 are given for appropriate clades in the form: BPP/ML BS. The newly generated species is in bold font.
Bayesian 50% majority rule consensus tree inferred from the 28S rDNA D2-D3 sequences of Longidorella (Saevadorella) caspica n. sp. under the GTR + G + I model. Bayesian posterior probabilities (BPP) and maximum likelihood bootstrap (ML BS) values > 0.50 are given for appropriate clades in the form: BPP/ML BS. The newly generated species is in bold font.

The used sequences in 28S phylogeny of Longidorella (Saevadorella) caspica n_ sp_, their accession number, locality, and related plants_

Species nameAccession numberLocation, related plant
Allodorylaimus sp.KY942069China, unknown
Allodorylaimus andrassyi AY593016Unknown
Allodorylaimus andrassyi AY593015Unknown
Dorydorella bryophila HM235514Unknown
Enchodelus sp.KP190120Hamedan province, Iran, mosses
Enchodelus longispiculus KP190119Hamedan province, Iran, mosses
Enchodelus sp.EF207240Unknown
Enchodorus dolichurus KR184125Golestan province, Iran, mosses
Enchodorus dolichurus KR184124Golestan province, Iran, mosses
Enchodorus yeatsi KX691911East Azarbaijan province, Iran, grasses
Eudorylaimus sp.AY593037Unknown
Heterodorus brevidentatus KP963962Kerman city, Iran, mosses
Heterodorus brevidentatus KP963960Maragheh city, Iran, mosses
Heterodorus brevidentatus KP963963Maragheh city, Iran, mosses
Heterodorus brevidentatus KP963964Kermanshah city, Iran, mosses
Heterodorus brevidentatus KP963965Kermanshah city, Iran, mosses
Heterodorus brevidentatus KP963961Tehran city, Iran, mosses
Heterodorus morgensis KX691912Mazandaran province, Iran, grasses
Heterodorus youbertghostai KR184126Sabalan region, Iran, grasses
Heterodorus youbertghostai KR184127Sabalan region, Iran, grasses
Longidorella macramphis AY593042Unknown
Longidorella sp.AY593043Unknown
Longidorella penetrans HM235515Unknown
Longidorella sp.AY593044Unknown
Longidorella sp.AY593045Unknown
Mesodorylaimus sp.AY593006Unknown
Mesodorylaimus sp.AY593005Unknown
Microdorylaimus miser AY593046Unknown
Microdorylaimus modestus HM235513Unknown
Microdorylaimus modestus AY593049Unknown
Mononchus truncatus AY593064Unknown
Nordiidae sp.KP202362Tehran city, Iran, grasses
Nordiidae sp.KP202361Tehran city, Iran, grasses
Nordiidae sp.AY593054Unknown
Nordiidae sp.MH346478Tehran city, Iran, mosses/pine tree
Prionchulus punctatus MG994945Unknown
Prodorylaimus uliginosus AY593034Unknown
Pungentus engadinensis MH346473Semnan province, Iran, fruit trees
Pungentus engadinensis MH346474Mazandaran province, Iran, forest trees
Pungentus silvestris AY593052Unknown
Pungentus silvestris AY593054Unknown
Pungentus silvestris AY593053Unknown
Pungentus azarbaijanensis MH346476West Azarbaijan province, Iran, grasses
Pungentus azarbaijanensis MH346477West Azarbaijan province, Iran, grasses
Pungentus engadinensis AY593050Unknown
Pungentus monohystera MF325344Germany, lime tree
Pungentus monohystera MF325343Germany, lime tree
Rhyssocolpus vinciguerrae KP204547Gilan province, Iran, forest trees
Thonus minutus AY593047Unknown
Thonus minutus AY593048Unknown
Thonus circulifer AY593039Unknown
Thonus sp.AY593041Unknown
Thonus sp.AY593040Unknown
Thonus circulifer AY593038Unknown
Tylencholaimellus sp.AY593055Unknown

Morphometrics of Longidorella (Saevadorella) caspica n_ sp_

HolotypeParatype
CharactersFemaleFemalesMales
n 133
L 852832 ± 38.5 (788-874)811 ± 74 (725-856)
a 19.819 ± 2 (16.8-21.3)22.0 ± 1.5 (20.7-23.8)
b 3.83.7 ± 0.2 (3.5-3.8)3.8 ± 0.2 (3.6-4.0)
c 25.827.2 ± 7 (20.7-37.0)25.2 ± 2.2 (23.0-27.5)
c′ 1.31.3 ± 0.3 (0.9-1.5)1.3 ± 0.1 (1.2-1.4)
V 59.255.7 ± 3.0 (52.5-59.0)–
Anterior end-vulva504463.5 ± 32.5 (425-504)–
Cephalic region diam.1211.5 ± 1.0 (10-12.5)12.5 ± 0.5 (12-13)
Cephalic region height55.0 ± 0.0 (5-5)4.7 ± 0.6 (4-5)
Odontostyle length3333.0 ± 0.5 (32-33)35 ± 1 (34-36)
Odontophore length3835.5 ± 2.5 (33-38)33.3 ± 3.0 (30-36)
Stylet total length7168.5 ± 2.0 (66-71)68.5 ± 2.5 (66-71)
Guiding ring from ant. end2.818 ± 1 (18-20)18.0 ± 0.5 (18.0-18.5)
Neck length18229 ± 2 (227-231)212 ± 8 (203-220)
Pharyngeal expansion length9293 ± 1 (92-94)85.5 ± 5.5 (80-91)
Diam. at guiding ring level1618.5 ± 0.0 (18.5-18.5)18.5 ± 0.0 (18.5-18.5)
 -at neck base4041.0 ± 3.5 (38-46)36.5 ± 2.5 (34-39)
 -at mid-body4344.0 ± 2.5 (41-47)37.0 ± 2.5 (35-40)
 -at anus2525.0 ± 0.5 (24-25)25 ± 1 (24-26)
Prerectum5657.0 ± 7.5 (47-65)81 ± 20 (67-95)
Rectum2223.5 ± 3.5 (19-27)38.0 ± 1.5 (37-39)
Tail length3334.5 ± 2.5 (33-38)32.5 ± 4.0 (29-37)
Spicules length––33.0 ± 1.5 (32-35)
DOI: https://doi.org/10.21307/jofnem-2021-004 | Journal eISSN: 2640-396X | Journal ISSN: 0022-300X
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Language: English
Page range: 1 - 11
Published on: Jan 1, 2021
Published by: Society of Nematologists, Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
28S rDNA D2-D3,
Molecular,
Morphology,
New species,
Phylogeny,
Taxonomy
Related subjects:
Life sciences,
Life sciences, other

© 2021 Fariba Heydari, Mohammad Reza Atighi, Ebrahim Pourjam, Majid Pedram, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

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