Biology 625
ANIMAL PARASITOLOGY
Supplemental visual material


Metacercaria of Posthodiplostomum minimum
(Strigeiformes)



Definitive hosts: natural infections have been found in a variety of animals, especially fish eating birds in the orders Ciconiiformes and Charadriiformes (herons, gulls, and terns); experimentally (and to some extent naturally), a wide range of birds, mammals, and even reptiles and amphibia have been shown to be suitable hosts
Site of infection: adults in small intestine
Distribution: North America and Mexico
First intermediate host: snails of the genus Physa
Metacercariae: metacercariae ("white grub") can be found encysted within the viscera of a in variety of fish, especially lepomids (blue gill, crappie) and also cyprinids

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Original; photograph by S.J. Upton


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Kansas State University | Biology Division