Impact of Different Carbon Dioxide Concentrations in the Olfactory Response of Sipha flava (Hemiptera: Aphididae) and its Predators

The increasing level CO₂may altered host plant physiology and hence affect the foraging behavior of herbivore insects and predator. Hence, the aim of this study was provides evidence that host plants grown at different levels of CO₂can alter the choice behavior of aphid, Sipha flava and their natura...

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Bibliographic Details
Published in:Journal of insect behavior 2014-11, Vol.27 (6), p.722-728
Main Authors: Fonseca, Marcy G, Santos, Dayane R, Auad, Alexander M
Format: Article
Language:English
Subjects:
Agriculture
Animal Ecology
Animal ethology
Aphididae
Behavioral Sciences
Biological and medical sciences
Biological control
Biomedical and Life Sciences
Carbon dioxide
Control
cultivars
Cycloneda
Cycloneda sanguinea
Diomus
Entomology
Evolutionary Biology
foraging
Fundamental and applied biological sciences. Psychology
glass
greenhouses
Hemiptera
host plants
Insects
Life Sciences
natural enemies
Neurobiology
Odors
Pennisetum purpureum
Phytopathology. Animal pests. Plant and forest protection
plant physiology
Predation
predators
Protozoa. Invertebrata
Protozoa. Invertebrates
Psychology. Psychoanalysis. Psychiatry
Sipha flava
Smell
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Summary:The increasing level CO₂may altered host plant physiology and hence affect the foraging behavior of herbivore insects and predator. Hence, the aim of this study was provides evidence that host plants grown at different levels of CO₂can alter the choice behavior of aphid, Sipha flava and their natural enemies, Cycloneda sanguinea and Diomus seminulus. The plant used was Pennisetum purpureum, cultivar Cameron Piracicaba growing in greenhouse (mean value of CO₂ = 440 ppm), climatic chamber with constant value of CO₂ = 500 ppm and climatic chamber with fluctuating CO₂(mean value = 368 ppm). A glass Y-shape olfactometer was used to verify the insects responses towards elephant grass plants cultivated under different conditions. The aphids were statistically more attracted by plants grown with constant CO₂level (500 ppm) than by plants grown with fluctuating CO₂level or plants grown in greenhouse. There was no difference in S. flava preference to non-infested versus infested plants by conspecifics. The predator C. sanguinea did not show difference between plants grown with constant CO₂level and infested or not with S. flava. However, the predator D. seminulus showed higher preference to plants grown with constant CO₂level and infested with S. flava. This study showed that the response of S. flava and its predators were affected by plants grown under different levels of CO₂.
ISSN:0892-7553
1572-8889
DOI:10.1007/s10905-014-9463-3