Description of Acrolobus longigubernaculum sp. n. (Nematoda, Rhabditida, Cephalobidae) from Iran, the second species of the genus
Author
Amirzadi, Negin
Author
Shokoohi, Ebrahim
Author
Eskandari, Ali
Author
Abolafia, Joaquín
text
Zootaxa
2012
2012-08-02
3407
61
68
journal article
10.11646/zootaxa.3407.1.5
dc884197-b752-4002-aea5-e98447c9f8ba
1175-5326
210079
Genus
Acrolobus
(Family
Cephalobidae
, Subfamily Acrolobinae)
The genus
Acrolobus
contains two distinct species (see
Table
2
and
Fig.
4
):
TABLE 2
. Morphometrics of
Acrolobus
species. Measurements in μm (except L, in mm).
| Species |
n |
L |
a |
b |
c |
c' |
V |
Stoma length |
Excretory pore – ant. end |
|
A. emarginatus
|
Ƥ |
0.60
|
25
|
4.0 |
14
|
3.0* |
65
*
|
? |
? |
|
25
ƤƤ
|
0.45–0.62
|
23–30
|
3.5–4.3
|
13–15
|
3.0* |
63–
66
|
10–11
|
96
*
|
|
1633
|
0.43–0.51
|
25–31
|
3.4–3.9
|
13–17
|
2.2
*
|
- |
12.5
*
|
93
*
|
| ?ƤƤ |
0.45–0.62
|
23–30
|
3.5–4.3
|
13–15
|
2.2–2.5
|
63–
66
|
10–11
|
? |
| ?33 |
0.43–0.51 |
25–31 |
3.4–4.0 |
13–17 |
1.8–2.0 |
- |
? |
? |
|
A. longigubernaculum
sp. n.
|
11ƤƤ |
0.72–0.98 |
23–28 |
3.5–5.3 |
14–19 |
2.4–3.2 |
61–65 |
12–16 |
118–138 |
| 533 |
0.73–0.84 |
21–28 |
3.6–4.5 |
15–18 |
2.0–2.3 |
- |
14–16 |
121–128 |
| continued. |
| Species |
n |
Pharynx |
Tail |
Spermatheca / |
Postvulvar |
sac / |
Country |
Reference |
| length |
Spicules |
Gubernaculum |
|
A. emarginatus
|
Ƥ |
? |
43* |
? |
? |
Germany |
de Man, 1884
|
| 25ƤƤ |
129–149 |
32–41 |
29–46 |
17–25 |
Sweden |
Boström, 1985 |
| 1633 |
122–139 |
30–35 |
18–21 |
8–10 |
| ?ƤƤ |
120–150 |
32–40 |
? |
? |
Hungary |
Andrássy, 2005
|
| ?33 |
? |
30–35 |
17–21 |
8–10 |
|
A. longigubernaculum
sp. n.
|
11ƤƤ |
154–213 |
47–58 |
26–46 |
27–49 |
Iran |
Present paper |
| 533 |
188–203 |
47–50 |
26–30 |
12–16 |
*Measured from the illustrations or other measurements.
Type
species.
A. emarginatus
(
de Man,
1880
)
Boström,
1986
Cephalobus emarginatus
de Man,
1880
Acrobeloides emarginatus
(
de Man,
1880
) Thome,
1937
Acrobeles (Acrobeloides) emarginatus
(
de Man,
1880
)
Schneider,
1939
Panagrobelus emarginatus
(
de Man,
1880
)
Andrássy,
1984
Other species
A. longigubernaculum
sp. n.
Key to species identification
1
. Body length less than
700
μm; spicules short, less than
25
μm; gubernaculum short, less than
10
μm.........
emarginatus
- Body length more than
700
μm; spicules long, more than
25
μm; gubernaculum long, more than
10
μm..................................................................................................
longigubernaculum
sp. n.