Reduced Longevity and Fecundity in Leishmania-Infected Sand Flies

Bahira M. El SawafResearch and Training Center on Vectors of Diseases and Faculty of Medicine, Ain Shams University, Department of Entomology, The Natural History Museum, Abbassia, Cairo, Egypt

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Sanaa A. El SattarResearch and Training Center on Vectors of Diseases and Faculty of Medicine, Ain Shams University, Department of Entomology, The Natural History Museum, Abbassia, Cairo, Egypt

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Magdi G. ShehataResearch and Training Center on Vectors of Diseases and Faculty of Medicine, Ain Shams University, Department of Entomology, The Natural History Museum, Abbassia, Cairo, Egypt

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Richard P. LaneResearch and Training Center on Vectors of Diseases and Faculty of Medicine, Ain Shams University, Department of Entomology, The Natural History Museum, Abbassia, Cairo, Egypt

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Tosson A. MorsyResearch and Training Center on Vectors of Diseases and Faculty of Medicine, Ain Shams University, Department of Entomology, The Natural History Museum, Abbassia, Cairo, Egypt

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Phlebotomus papatasi and P. langeroni were infected with Leishmania major and L. infantum by membrane feeding. Each sand fly ingested approximately 200 parasites per blood meal. Higher mortality in both sand fly species was seen with mixed infections than with a single parasite species. There was no significant difference between infections with either L. major or L. infantum in their natural vectors or experimental hosts. Infection significantly depressed the mean number of eggs laid per female.

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