First Report of Criconema demani from Russia Article Category: Arts & Humanities Publié en ligne: 17 avr. 2019 Pages: 1 - 4 Reçu: 23 sept. 2018 © 2019 Sergei Tabolin et al., published by Sciendo This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1 Light micrographs of Criconema demani. (A) Entire female and (B) Tail region. Measurements and ratios of 15 females of Criconema demani from the Pskov region of Russia, and their comparison with those from the literature. All measurements are in µm.
Morphological characters
This study
Brzeski (1998)
Crozzoli and Lamberti (2002)
Choi and Geraert (1994)
Body length
372.76 ± 37.5 (305–454)
380–530
331–386
381–437
Body width
31.9 ± 2.2 (28.7–35.5)
–
34–44
–
Esophagus length
98.91 ± 5.6 (85–109)
99–110
95–99
–
First annulus diameter
15.17 ± 1.1 (13.8–16.9)
–
13–14
–
Stylet length
64.9 ± 3.2 (60–68.8)
59–84
65–72
66.2–77.7
Tail length
32.2 ± 5.4 (25–42.9)
24–49
28–33
–
Annule numbers
R
70.8 ± 2.3 (65–74)
63–77
62–66
61–68
Rst
13.9 ± 0.9 (12–16)
–
12–14
–
Roes
18.8 ± 1.1 (17–21)
17–20
17–19
–
Rex
20.9 ± 1.4 (19–23)
19–24
19–21
19–22
RV
11.7 ± 1.2 (10–13)
11–17
12–14
11–13
RVan
3.42 ± 0.5 (3–4)
3–5
3–4
4–5
Ran
8.04 ± 0.8 (7–9)
7–12
9–10
6–8
RB
5.3 ± 0.5 (4.5–6)
5–8
–
–
Percentages
V
84.9 ± 1.2 (82.7–87)
84–88
84–86
84.1–87.2
St % L
17.2 ± 1.3 (15.5–19.7)
14–18
–
–
Ratios
a
11.5 ± 1.4 (8.9–13.2)
9–13
8.8–10
10.2–11.7
b
3.8 ± 0.4 (3.3–4.6)
3.8–5
3.4–4
3.6–4.4
c
12.8 ± 1.9 (10.3–15.8)
9–16
11–13
12–16.5
VL/VB
1.71 ± 0.2 (1.4–2.0)
1.6–2.2
1.6–1.8
–