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First report of Longidorus leptocephalus Hooper, 1961 (Nematoda: Longidoridae) from Greece

Ilenia Clavero-Camacho
Ilenia Clavero-Camacho
, 
Carolina Cantalapiedra-Navarrete
Carolina Cantalapiedra-Navarrete
, 
Maria Kormpi
Maria Kormpi
, 
Juan E. Palomares-Rius
Juan E. Palomares-Rius
, 
Emmanuel A. Tzortzakakis
Emmanuel A. Tzortzakakis
, 
Pablo Castillo
Pablo Castillo
 et 
Antonio Archidona-Yuste
Antonio Archidona-Yuste
   | 29 juil. 2022
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Article Category: Research Paper
Publié en ligne: 29 juil. 2022
Pages: -
Reçu: 22 avr. 2022
DOI: https://doi.org/10.2478/jofnem-2022-0027
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© 2022 Clavero-Camacho et al. published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1

Light micrographs of Longidorus leptocephalus Hooper, 1961 from Greece (A–O). (A) Whole female, (B–D) female anterior regions, (E) detail of female reproductive system, (F) vulval region, (G) detail of basal bulb, and (H–O) female tail regions. a, anus; gr, guiding ring; ov, ovary; svn, ventrosublateral nucleus; V, vulva (Scale bars: A = 200 mm, B–O = 20 mm).
Light micrographs of Longidorus leptocephalus Hooper, 1961 from Greece (A–O). (A) Whole female, (B–D) female anterior regions, (E) detail of female reproductive system, (F) vulval region, (G) detail of basal bulb, and (H–O) female tail regions. a, anus; gr, guiding ring; ov, ovary; svn, ventrosublateral nucleus; V, vulva (Scale bars: A = 200 mm, B–O = 20 mm).

Figure 2

Phylogenetic relationships of Longidorus leptocephalus Hooper, 1961 within the genus Longidorus. Bayesian 50% majority rule consensus tree as inferred from D2 and D3 expansion domains of 28S rDNA sequence alignment under the general time-reversible model of sequence evolution with correction for invariable sites and a gamma-shaped distribution (GTR + I + G). Posterior probabilities more than 0.70 are given for appropriate clades. Newly obtained sequences in this study are shown in bold. Scale bar = expected changes per site. PP. posterior probabilities.
Phylogenetic relationships of Longidorus leptocephalus Hooper, 1961 within the genus Longidorus. Bayesian 50% majority rule consensus tree as inferred from D2 and D3 expansion domains of 28S rDNA sequence alignment under the general time-reversible model of sequence evolution with correction for invariable sites and a gamma-shaped distribution (GTR + I + G). Posterior probabilities more than 0.70 are given for appropriate clades. Newly obtained sequences in this study are shown in bold. Scale bar = expected changes per site. PP. posterior probabilities.

Figure 3

Phylogenetic relationships of Longidorus leptocephalus Hooper, 1961 from Greece within the genus Longidorus. Bayesian 50% majority rule consensus tree as inferred from ITS1 rDNA sequence alignment under the general time-reversible model of sequence evolution and a gamma-shaped distribution (GTR + G). Posterior probabilities more than 0.70 are given for appropriate clades. Newly obtained sequences in this study are shown in bold. Scale bar = expected changes per site. PP, posterior probabilities.
Phylogenetic relationships of Longidorus leptocephalus Hooper, 1961 from Greece within the genus Longidorus. Bayesian 50% majority rule consensus tree as inferred from ITS1 rDNA sequence alignment under the general time-reversible model of sequence evolution and a gamma-shaped distribution (GTR + G). Posterior probabilities more than 0.70 are given for appropriate clades. Newly obtained sequences in this study are shown in bold. Scale bar = expected changes per site. PP, posterior probabilities.

Figure 4

Phylogenetic relationships of Longidorus leptocephalus Hooper, 1961 from Greece within the genus Longidorus. Bayesian 50% majority-rule consensus trees as inferred from cytochrome c oxidase subunit I (COI mtDNA gene) sequence alignments under the TIM1 + G model. Posterior probabilities more than 0.70 are given for appropriate clades. Newly obtained sequences in this study are in bold letters. PP, posterior probabilities.
Phylogenetic relationships of Longidorus leptocephalus Hooper, 1961 from Greece within the genus Longidorus. Bayesian 50% majority-rule consensus trees as inferred from cytochrome c oxidase subunit I (COI mtDNA gene) sequence alignments under the TIM1 + G model. Posterior probabilities more than 0.70 are given for appropriate clades. Newly obtained sequences in this study are in bold letters. PP, posterior probabilities.

Morphometrics of Longidorus leptocephalus Hooper, 1961 from Greece and type population.

Thessaloniki, Greece Highfield, Scotland
Charactera Females Female paratypes
N 10 16
L (mm) 4.9 ± 0.43 (4.25–5.53) 4.2 (3.6–4.6)
A 99.9 ± 8.1 (90.1–113.0) 96.0 (83.0–121.0)
B 14.3 ± 1.6 (12.2–17.3) 12.0 (11.7–12.4)
C 110.2 ± 17.4 (83.4–131.7) 96.0 (78.0–105.0)
c’ 1.4 ± 0.1 (1.2–1.5) 1.25
db 2.8 ± 0.1 (2.6–2.9) –
d’c 2.0 ± 0.1 (1.9–2.1) –
V 49.0 ± 2.9 (45.1–55.0) 54.0 (52.0–57.0)
Odontostyle length 65.4 ± 4.3 (58.0–69.5) 64 (60–70)
Odontophore length 44.9 ± 5.0 (38–52) 46 (41–56)
Total stylet length 110.3 ± 8.3 (96–118) –
Anterior end to guiding ring 26.9 ± 1.0 (25.0–28.5) 30 (29–32)
Hyaline part of tail 14.7 ± 1.7 (12–17) –
Body width at level of:
lip region 9.7 ± 0.4 (9–10) –
guiding ring 19.0 ± 0.4 (18.0–19.5) –
Anus 32.5 ± 1.7 (29–35) –
Tail length 44.8 ± 3.9 (41.5–51.0) –
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