Affecauda Hall & Chambers, 1999

Hall, Kathryn A. & Cribb, Thomas H., 2004, Revision of Affecauda Hall & Chambers, 1999 (Digenea: Gyliauchenidae Fukui, 1929), including the description of two new species from fishes of the Indo­West Pacific, Zootaxa 778, pp. 1-12 : 3

Key to species of Affecauda Hall & Chambers, 1999

1 Oesophagus not looped; ovary intertesticular; Laurer’s canal exits dorsal to ovary....... .............................................................................. A. annulata Hall & Chambers, 1999

– Oesophagus looped; ovary pretesticular; Laurer’s canal exits dorsal to posterior testis. ....................................................................................................................................... 2

2 Tegumental annulations extend from level of oesophagus to immediately anterior to ventralsucker;oesophagealbulbdistinctlysmallerthanpharynx;seminalvesicleunipartite ............................................................................................... A. rugosa n. sp. ( Figure 1 )

– Tegumental annulations restricted to small patch at level of posterior testis, immediately anterior to ventral sucker; oesophageal bulb approximately same size as pharynx; seminal vesicle bipartite .................................................. A. salacia n. sp. ( Figures 2–3 )

Figures

FIGURE 1. Affecauda rugosa n. sp. from the intestine of Zebrasoma veliferum. Lateral view of holotype. Scale bar = 500 µm.

FIGURE 2. Affecauda salacia n. sp. from the intestine of Siganus corallinus. Lateral view of holotype. Scale bar = 500 µm.

FIGURE 3. Affecauda salacia n. sp. from the intestine of Siganus corallinus. Lateral view of paratype. Scale bar = 500 µm. Abbreviation: rm, retractor muscles.