Zygocotyle lunata (Diesing, 1836) Stunkard, 1917

Site of infection: cecum.

Localities: Buenos Aires Zoological Garden, Buenos Aires city (captivity); Del Burro lagoon, Buenos Aires Province; Pellegrini Lake, Río Negro Province (Argentina).

Life history: H1: Biomphalaria peregrina (d’Orbigny, 1835) (natural host); H. trivolvis, H. anceps (Menke, 1830), and H. antrosum (Conrad, 1834) . B. straminea (Dunker, 1848), B. orbignyi Paraense, 1975, B. tenagophila (d’Orbigny, 1835), B. oligoza Paraense, 1974, B. glabrata (Say, 1818) (Experimental host). No H2- cercariae encyst on vegetation.

Reference: Digiani (1997).

Comments: Ostrowski de Núñez et al. (2003) fed mice and chicks with metacercariae released from experimentally infected B. peregrina in Argentina and recovered gravid adults.