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Morphological and Molecular Characterization of Talanema eshtiaghii sp. n. (Dorylaimida, Qudsianematidae) from Iran

Open Access
|Jun 2023

Figures & Tables

Figure 1:

Talanema eshtiaghii sp. n. (A) neck region; (B) anterior region in lateral median view; (C) anterior region in lateral surface view; (D) female, posterior genital branch; (E): spicules; (F) female, caudal region; (G) female, entire; (H) male, entire; (I) male, caudal region; (J) lateral guiding piece.
Talanema eshtiaghii sp. n. (A) neck region; (B) anterior region in lateral median view; (C) anterior region in lateral surface view; (D) female, posterior genital branch; (E): spicules; (F) female, caudal region; (G) female, entire; (H) male, entire; (I) male, caudal region; (J) lateral guiding piece.

Figure 2:

Talanema eshtiaghii sp. n. (A) anterior region in lateral median view; (B) anterior region in lateral surface view; (C) female, entire; (D) female, caudal region; (E) vagina region: (F) female, posterior genital branch; (G) sperm cells; (H) lateral guiding piece; (I) male, caudal region; (J) male, entire; (K) pharyngo-intestinal junction; (L) spicules. (Scale bars: A, B, D–I, K and L = 10 μm, C and J = 100 μm).
Talanema eshtiaghii sp. n. (A) anterior region in lateral median view; (B) anterior region in lateral surface view; (C) female, entire; (D) female, caudal region; (E) vagina region: (F) female, posterior genital branch; (G) sperm cells; (H) lateral guiding piece; (I) male, caudal region; (J) male, entire; (K) pharyngo-intestinal junction; (L) spicules. (Scale bars: A, B, D–I, K and L = 10 μm, C and J = 100 μm).

Figure 3:

Bayesian 50% majority rule consensus tree of Talanema eshtiaghii sp. n. as inferred from D2–D3 expansion segments of 28S rRNA gene sequence under the GTR+I+G model. Bayesian posterior probabilities are given for each clade. Newly obtained sequence is indicated by bold letters.
Bayesian 50% majority rule consensus tree of Talanema eshtiaghii sp. n. as inferred from D2–D3 expansion segments of 28S rRNA gene sequence under the GTR+I+G model. Bayesian posterior probabilities are given for each clade. Newly obtained sequence is indicated by bold letters.

Morphometrics of Talanema eshtiaghii sp_ n_ from Iran_ Measurements in μm except L in mm, and in the form: average ± sd (range)_

Locality ProvinceCity of Sufiyan, Roodghat area, Zeinabad villageEast Azarbaijan

HolotypeParatypes

n5♀♀3♂♂
Character
L1.501.56 ± 0.08 (1.45–1.68)1.49 ± 0.04 (1.45–1.53)
a3229.2 ± 2.1 (27–32)27.6 ± 2.1 (27–30)
b4.34.5 ± 0.2 (4.3–4.9)4.5 ± 0.1 (4.4–4.6)
c4442.1 ± 7.7 (33–56)39.7 ± 3.6 (37–44)
c’1.21.3 ± 0.1 (1.0–1.6)1.1 ± 0.1 (1.0–1.3)
V5556 ± 1.2 (55–58)-
Lip region diameter1313.7 ± 0.1 (13–15)13.4 ± 0.1 (13–14)
Odontostyle length-dorsal side1816.4 ± 1.3 (15–18)17.3 ± 0.5 (17–18)
Odontophore length2425.1 ± 1.7 (24–27)26.1 ± 0.7 (25–27)
Neck length344349 ± 10 (341–362)322 ± 11 (312–337)
Pharyngeal expansion length144141.0 ± 7.6 (131–152)133.0 ± 2.1 (124–138)
Body diameter at neck base4551.1 ± 4.3 (45–56)52.0 ± 3.3 (49–56)
mid-body4752.3 ± 2.8 (47–59)53.4 ± 3.5 (50–58)
anus/cloaca2728.3 ± 1.2 (27–30)32.3 ± 1.5 (31–34)
Prerectum length6167 ± 10 (56–81)73.4 ± 8.3 (59–97)
Rectum/cloaca length3434.2 ± 2.8 (30–38)59.0 ± 4.1 (58–66)
Tail length3438.7 ± 3.6 (30–44)36.1 ± 3.8 (33–40)
Spicules length--52.2 ± 3.5 (49–56)
Ventromedian supplements--(14–18)
DOI: https://doi.org/10.2478/jofnem-2023-0022 | Journal eISSN: 2640-396X | Journal ISSN: 0022-300X
Language: English
Submitted on: Dec 18, 2022
Published on: Jun 5, 2023
Published by: Society of Nematologists, Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2023 Nasir Vazifeh, Gholamreza Niknam, Habibeh Jabbari, Reyes Peña-Santiago, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.