Neotripyla vulgaris gen. n., sp. n. and Semitobrilus andrassyi sp. n. (Nematoda, Triplonchida) from freshwater bodies of Vietnam
Author
Gagarin, Vladimir G.
Author
Gusakov, Vladimir A.
text
Zootaxa
2013
3716
4
565
576
journal article
43023
10.11646/zootaxa.3716.4.4
9d75fb60-4ee0-42bb-8edb-e41b41e423ca
1175-5326
221755
18AF3DCA-7E90-4A00-8E0B-E92DD94F1461
Key to valid species of the genus
Semitobrilus
1. 10 supplement; vulva postequatorial (V = 61–64 %).............................................
S. parapellucidus
– 6–8 supplements; vulva praequatorial or equatorial (V = 38–55 %).............................................. 2
2. Crystalloids absent; length of outer labial setae is equal 60 % of labial region width........................
S. pellucidus
– Crystalloids present; length of outer labial setae is equal 23–40 % of labial region width............................. 3
3. Spicules 102–122 µm long.......................................................................
S. ebsaryi
– Spicules less 100 µm long............................................................................... 4
4. ♂♂ L =
1.60–1.72 mm
; outer labial setae 4.0–6.0 µm long, 23–25 % of labial region width...........
S. closlongicaudatus
– ♂♂ L =
1.96 mm
or more; outer labial setae more 9 µm long, more 25 % of labial region width....................... 5
5. Spicules 65 µm long, keel-like projection at distal portion absent........................................
S. gagarini
– Spicules 71–80 µm long, keel-like projection at distal portion present..............................
S. andrassyi
sp. n.