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Life Cycle and Development of Prosthorhynchus formosus (Van Cleave, 1918) Travassos, 1926, an Acanthocephalan Parasite of Birds

Gerald D. Schmidt and O. Wilford Olsen
The Journal of Parasitology
Vol. 50, No. 6 (Dec., 1964), pp. 721-730
DOI: 10.2307/3276191
Stable URL: http://www.jstor.org/stable/3276191
Page Count: 10
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Life Cycle and Development of Prosthorhynchus formosus (Van Cleave, 1918) Travassos, 1926, an Acanthocephalan Parasite of Birds
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Abstract

The life cycle of Prosthorhynchus formosus (Van Cleave, 1918) Travassos, 1926 is presented. The terrestrial isopods Armadillidium vulgare, Porcellio laevis, and P. scaber served as experimental intermediate hosts, and chickens and turkeys as experimental definitive hosts. After ingestion of the eggs by the isopod, the acanthor emerges from its shells within 15 min to 2 hr, enters the gut wall of its host, and remains there 15 to 25 days. It then migrates to the hemocoel and develops through the acanthella stage to the infective cystacanth by the 60th to 65th day of infection.

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