Megalophallus deblocki n. sp. (Digenea: Microphallidae) from Rostrhamus sociabilis (Vieillot) (Aves: Accipitridae) in Paraguay |
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| Authors: | Aneta Kostadinova Claude Vaucher David I Gibson |
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| Institution: | (1) Department of Biodiversity, Central Laboratory of General Ecology, Bulgarian Academy of Sciences, 2 Gagarin Street, 1113 Sofia, Bulgaria;(2) Museum d’Histoire Naturelle, CP 6434, CH-1211 Geneva 6, Switzerland;(3) Department of Zoology, Natural History Museum, Cromwell Road, London, SW7 5BD, UK |
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| Abstract: | A new species in the little-known digenean fauna of Paraguayan birds is described in detail, especially in relation to its terminal genitalia. The new form, Megalophallus deblocki n. sp., is a microphallid from the intestine of the snail kite Rostrhamus sociabilis (Vieillot). It is differentiated in detail from its congeners, but differs mainly in having a substantially larger phallus (e.g. in relation to the ventral sucker), a smaller ventral sucker and smaller eggs. Comments are included on the functional morphology of the terminal genitalia. |
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