Dollfusiella sp.

Jr, Joaber Pereira & Boeger, Walter A., 2005, Larval tapeworms (Platyhelminthes, Cestoda) from sciaenid fishes of the southern coast of Brazil, Zoosystema 27 (1), pp. 5-25 : 12

Dollfusiella sp.

( Fig. 3C, D )

HOST. — Micropogonias furnieri (LH = 38.0; P = 0.56; MI = 1.0; MA = 0.005).

SITE OF INFECTION. — Coelomic cavity.

SPECIMENS DEPOSITED. — CHIOC 33797.

DESCRIPTION (based on one specimen)

Scolex 1.71 long. Maximum width at level of pars postbulbosa, 0.30. Bothridia patelliform, 0.2 long. Pars vaginalis 0.44 long, sheath irregularly coiled near bulbs. Pre-bulbar organ present. Bulbs 0.5 long, 0.05 wide; length/width ratio of bulb 10; scolex total length/length of bulb ratio, 3.42. Pars postbulbosa 0.56 long. Basal armature with uncinate hooks in a swollen portion of the tentacle followed by long spiniform hooks.

REMARKS

Campbell & Beveridge (1994) proposed Dollfusiella to accomodate species of Eutrarhynchidae with basal armature inflated and lacking macrohooks in the tentacles. The only specimen collected during this study presented tentacles not everted. The presence of a distinct group of hooks, the dilation in the base of the tentacle, and the absence of macrohooks justifies the inclusion of the species in Dollfusiella .

Figures

FIG. 3. — A, B, Nybelinia bisulcata (Linton, 1889); A, larva in toto; B, basal armature; C, D, Dollfusiella sp.; C, larva in toto; D, hooks