Biology 625
Supplemental visual material

Prosthogonimus macrorchis (oviduct fluke)

Definitive hosts: galliform, anseriform, and passeriform birds
Site of infection: oviducts and cloacal region
Typical size: 8-12 mm long
Distribution: North America
First intermediate host: snails of the genus Amnicola
Metacercariae: metacercariae develop within dragonfly nymphs after being pulled into the rectal branchial chamber


Original; photograph by S.J. Upton

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Kansas State University | Biology Division