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Antarctic representatives of the genus Neolebouria Gibson, 1976 [Digenea, Opecoelidae] with description of one new species

100%

Zdzitowiecki K., Pisano E., Vacchi M.

Acta Parasitologica

1993

tom 38

nr 1

A new fish digenean species, Neolebouria terranovaensis sp. n. (a second representative of this genus in the Antarctic), is described from notothenioids caught in Terra Nova Bay (Ross Sea). New measurements and a figure of N. antarctica (Szidat et Graefe, 1967) are also given. N. terranovaensis sp. n. differs from the latter in smaller dimensions of a body and organs, smaller extent of the cirrus pouch which ends at the level of the ventral sucker and the main habitat, the pyloric caeca. In contrast, N. antarctica occurs along the whole intestine.

Digenea of fishes of the Weddell Sea. IV. Three opecoelid species of the genera Neolebouria, Helicometra and Stenakron

51%

Zdzitowiecki K.

Acta Parasitologica

1997

tom 42

nr 3

The following opecoelid digeneans are described from bony fishes of the Weddell Sea: Neolebouria terranovaensis Zdzitowiecki, Pisano et Vacchi, 1993 from Paraliparis antarcticus (Liparididae, new host family); Helicometra rakusai sp. n. from Trematomus loennbergi (Nototheniidae); Stenakron glacialis Zdzitowiecki, 1989 from Racovitzia glacialis (Bathydraconidae) and Pogonophryne marmorata (Artedidraconidae, new host family). H. rakusai sp. n. has terminal oral sucker (similarly to the second Antarctic species, H. antarcticae Holloway et Bier, 1968), but its ventral sucker is considerably smaller than the oral sucker - sucker ratio based on mean diameter 1:0.71-0.87 (mean 1:0.81), that based on width 1:0.65-0.99 (mean 1:0.83). Both other species are recorded in the Weddell Sea for the first time.

Ograniczanie wyników

2 Acta Parasitologica

2 Zdzitowiecki K.

1 Pisano E.

1 Vacchi M.

1 1997

1 1993

Wyniki wyszukiwania

Antarctic representatives of the genus Neolebouria Gibson, 1976 [Digenea, Opecoelidae] with description of one new species

Digenea of fishes of the Weddell Sea. IV. Three opecoelid species of the genera Neolebouria, Helicometra and Stenakron