Effects of predation by the copepod Mesocyclops ogunnus on the sex ratios of mosquito Aedes albopictus

Cyclopoid copepods are important predators in many aquatic ecosystems and have been used as biological agents in successful programs to control mosquito larvae. However, the impacts of this predation on adult mosquito populations are still poorly understood. The present study compared the sex ratios...

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Published in:Hydrobiologia 2013-03, Vol.705 (1), p.55-61
Main Authors: Cardôso, Helton Charllys Batista, da Silva, Bruna Queiroz, de Assis, Thiago Brandão, Lopez, Luiz Carlos Serramo
Format: Article
Language:English
Subjects:
Aedes albopictus
Analysis
Animal and plant ecology
Animal populations
Animal, plant and microbial ecology
Aquatic ecosystems
Aquatic insects
Biological and medical sciences
Biomedical and Life Sciences
Copepoda
Crustacea
Crustaceans
Ecology
Freshwater & Marine Ecology
Fundamental and applied biological sciences. Psychology
Gender
General aspects
Invertebrates
Larvae
Life Sciences
Medically important nuisances and vectors, pests of stored products and materials: population survey and control
Mesocyclops ogunnus
Mosquitoes
Predation
Predation (Biology)
Predators
Primary Research Paper
Synecology
Vectors. Intermediate hosts
Zoology
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description Cyclopoid copepods are important predators in many aquatic ecosystems and have been used as biological agents in successful programs to control mosquito larvae. However, the impacts of this predation on adult mosquito populations are still poorly understood. The present study compared the sex ratios and body sizes (measured as wing length) of Aedes albopictus mosquitoes emerging from recipients containing the copepod predator Mesocyclops ogunnus with control situations without this predator. We found that copepod predation significantly biased mosquito sex ratios toward females, and that both the males and females emerging from copepod-containing recipients were significantly larger than control insects. The ecological and epidemiological consequences of the changes induced by copepod predation on mosquito populations are discussed.
doi_str_mv 10.1007/s10750-012-1379-3
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ispartof Hydrobiologia, 2013-03, Vol.705 (1), p.55-61
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1573-5117
language eng
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subjects Aedes albopictus
Analysis
Animal and plant ecology
Animal populations
Animal, plant and microbial ecology
Aquatic ecosystems
Aquatic insects
Biological and medical sciences
Biomedical and Life Sciences
Copepoda
Crustacea
Crustaceans
Ecology
Freshwater & Marine Ecology
Fundamental and applied biological sciences. Psychology
Gender
General aspects
Invertebrates
Larvae
Life Sciences
Medically important nuisances and vectors, pests of stored products and materials: population survey and control
Mesocyclops ogunnus
Mosquitoes
Predation
Predation (Biology)
Predators
Primary Research Paper
Synecology
Vectors. Intermediate hosts
Zoology
title Effects of predation by the copepod Mesocyclops ogunnus on the sex ratios of mosquito Aedes albopictus
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