Studies on the Genus Homalometron Stafford, 1904 (Trematoda: Lepocreadiidae), with a Redescription of H. armatum (MacCallum, 1895)

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Abstract
During recent studies o: parasites of Louisiana fresh-water fishes, a large series of trematodes belonging to the genus Homalometron was collected. These flukes were collected from the following hosts: Aplodinotus grunniens, the fresh-water drum; Lepomis humilis, the pumpkin-seed sunfish and Lepomis microlophus, the red-ear sunfish. A survey of the literature revealed that the original description for H. armatum is very brief and this condition has led to some confusion regarding other members of the genus. Also certain discrepancies regarding other species in the genus had added to this confusion. The study of abundant material in the writer''s collection has shown that H. armatum is a highly variable form and that Homalometron pearsei (Hunter and Bangham, 1932) should be considered a synonym of H. armatum. The other species of the genus are discussed and the available knowledge on life-histories is summarized. The taxonomic position of the genus Homalometron is also discussed.
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