potential of hemianax ephippiger (odonata-aeshnidae) nymph as predator of fasciola intermediate host, lymnaea natalensis

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ID: 195218
2015
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Abstract
Objective: To evaluate the predatory capacity of the Odonata, Hemianax ephippiger nymph as a biocontrol agent for the freshwater snail Lymnaea natalensis, intermediate host of Fasciola gigantica. Methods: Observations on the searching, attacking and devouring of the snails with a series of laboratory-based predation experiments, whose aims were to determine daily predation rate, differential predation on small-, medium- and large-sized snails were carried out. Results: Laboratory evaluation revealed that, the Odonata nymph could kill and consume all three sizes of snails. Searching and handling time of the predator differed depending on snail size and predator vulnerability. The predation rate varied also with respect to snail size and density. Conclusions: Our observations suggested that the predator Hemianax ephippiger may be a suitable bio-control agent of Lymnaea natalensis snail population.
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younes2015asianpotential Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Aly Younes;Hanaa El-Sherif;Fathia Gawish;Marwa Mahmoud
Journal Organic letters
Year 2015
DOI
10.1016/j.apjtb.2015.04.008
URL
http://www.sciencedirect.com/science/article/pii/S2221169115001021
Keywords
fascioliasis tropical medicinebiology (general)

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