Digenean parasites of Ciconiiform birds from Argentina

Abstract

The helminthological survey of 13 specimens of 5 ciconiiform species revealed the presence of 10 species
of intestinal digeneans: Sphincterodiplostomum musculosum Dubois, 1936 in Tigrisoma lineatum and Ardea alba;
Tylodelphys elongata (Lutz, 1928) in T. lineatum; Apharyngostrigea ardearum (Lutz, 1928) and Dolichorchis
lacombeensis Lunaschi and Drago, 2006 in Ardea cocoi and Ardea alba; Posthodiplostomum nanum Dubois, 1937
in A. alba and T. lineatum; Ascocotyle diminuta (Stunkard and Haviland, 1924) in A. alba; Petasiger sp.1 in A. cocoi
and Paryphostomum segregatum Dietz, 1909, Strigea vaginata (Brandes, 1888) and Petasiger sp. 2 in Coragyps
atratus. Syrigma sibilatrix was free of digeneans. The reports of A. ardearum, T. elongata, S. musculosum and D.
lacombeensis represent new host records; the other reports are new geographical records. Moreover, the specimens
described as Apharyngostrigea brasiliana Szidat, 1929 by Labriola and Suriano (1998) were analyzed and transferred
to A. ardearum.