Field Evaluation of Ovipositional Repellents Against
Culex
(Diptera: Culicidae) Mosquitoes

Schultz, George W.; Hwang, Yih‐Shen; Kramer, Wayne L.; Axelrod, Harold; Mulla, Mir S.

doi:10.1093/ee/11.4.968

Cited by 9 publications

(5 citation statements)

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“…However, in our study esters synthesized from C 5 to C 12 fatty acids with corresponding alkyl halides also repelled Culex females from oviposition in the treated bowls. Further, Schultz et al (1982) found 8-10 carbon compounds such as nonanoic acid, ethyl nonanoate were more active. A chain length of 6-18 carbon atoms seems to be optimal for eliciting oviposition responses, where hexanoic acid ethyl ester elicited increased egg deposition by Aedes mosquitoes than control (Knight and Corbet, 1991).…”

Section: Discussionmentioning

confidence: 96%

Behavioral and electrophysiological responses of Culex quinquefasciatus to certain fatty acid esters

2013

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Section: Discussionmentioning

confidence: 96%

Behavioral and electrophysiological responses of Culex quinquefasciatus to certain fatty acid esters

2013

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“…Further work on C5-C13 carboxylic acids demonstrated that nonanoic acid is the most effective repellent to A. aegypti, C. quinquefasciatus, and C. tarsalis (46). This activity was further demonstrated under field conditions (108). Structure-activity studies have also been conducted on higher un saturated C14-C24 carboxylic acids (47).…”

Section: Fatty Acidsmentioning

confidence: 97%

Chemical Ecology and Behavioral Aspects of Mosquito Oviposition

Bentley¹,

Day²

1989

Annu. Rev. Entomol.

510

415

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PERSPECTIVES AND OVERVIEWLocation and selection of an oviposition site is an essential part of the life history of all mosquito species. The remarkable number of oviposition be haviors range from the common, e.g. deposition of eggs on or near the water surface, to the unusual, e.g. egg brooding by adult females (73,74). The initiation of an ovipositional flight is linked with environmental factors, especially rainfall, relative humidity, temperature, and wind speed. The location and selection of an oviposition site involves visual, olfactory, and tactile responses.Since pathogen acquisition by vector mosquitoes usually requires the taking of at least one blood meal, disease transmission usually requires the comple tion of at least one oviposition cycle before pathogen transfer can occur with a subsequent blood meal. Oviposition is thus an important component of most mosquito-borne diseases.A tremendous amount has been written concerning mosquito oviposition. A large proportion of the studies have dealt with laboratory investigations on mosquito response to chemical and physical aspects of the oviposition site;relatively few field studies have been attempted. In this review we discuss general aspects of mosquito oviposition in nature, as well as the interplay 401 0066-4170/89/0101-0401$02.00 Annu. Rev. Entomol. 1989.34:401-421. Downloaded from arjournals.annualreviews.org by Yale University STERLING CHEMISTRY LIBRARY on 10/11/09. For personal use only. Quick links to online content Further ANNUAL REVIEWS 402 BENTLEY & DAY of chemical, physical, and physiological factors in oviposition site selection.Considering the number of published papers in the literature on oviposition, it is not possible for us to cite all of the important work. Rather, we attempt a broad survey of selected aspects of the chemical ecology and the oviposition behavior of gravid mosquitoes. OVIPOSITION BEHA VIOR IN NATUREThere are many similarities between mosquito host-seeking and oviposition behaviors. Both require complex integration of physical and chemical cues by searching mosquitoes. Long-range cues, probably involving vision, allow mosquitoes to identify different habitats (14) and specific host and oviposition site characteristics. As mosquitoes approach a host or an oviposition site other cues become important. For example, olfactory cues help mosquitoes to identify CO2 odor plumes from a host or volatile factors at the oviposition site. Once a host or an oviposition site has been identified, short-range cues become increasingly important. Short-range cues include temperature and chemical signals received by contact chemoreceptors. E1ectrophysiological studies have demonstrated that as the blood meal is digested in Aedes aegypti, neurons sensitive to host-produced cues, such as lactic acid, become less sensitive, while neurons sensitive to oviposition site attractants, such as methyl butyrate, become more sensitive (25).Certain mosquito species exhibit a great deal of specialization in both host and oviposition site selection, while ...

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“…In such situations, breeding sites can be treated with effective larvicides or oviposition repellents, as a component of an integrated approach to mosquito population management (Hwang et al, 1980;Schultz et al, 1982). Both species are diurnally active, highly anthropophilic, and potential vectors of the dengue viruses to humans.…”

Section: Introductionmentioning

confidence: 99%

“…Developmental stages of these mosquitoes inhabit artificial containers and natural sites close to human dwellings. In such situations, breeding sites can be treated with effective larvicides or oviposition repellents, as a component of an integrated approach to mosquito population management (Hwang et al, 1980;Schultz et al, 1982).…”

Section: Introductionmentioning

confidence: 99%

Electrophysiological and behavioural response of Aedes albopictus to n‐heinecosane, an ovipositional pheromone of Aedes aegypti

Gonzalez¹,

Audino

Masuh

2014

Entomologia Exp Applicata

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Aedes aegypti (L.) and Aedes albopictus (Skuse) (Diptera: Culicidae) are highly anthropophilic mosquito species and potential vectors of dengue and yellow fever. The location of suitable sites for oviposition requires a set of visual, tactile, and olfactory cues that influence females before they lay their eggs. In this study, the effect of n-heneicosane, a recognized oviposition pheromone of Ae. aegypti, on the olfactory receptors of the antennae of Ae. aegypti and Ae. albopictus was studied using electroantennographic detection coupled to gas chromatography (GC-EAD). A significant electroantennographic response to n-heneicosane in adult females of both mosquito species was observed. In addition, gravid Ae. albopictus females laid more eggs in substrate treated with n-heneicosane at 0.1, 1, or 10 p.p.m. than in the control, denoting oviposition attractancy. Conversely, at 30, 50, 100, and 200 p.p.m., more eggs were laid in the control substrate, indicating oviposition repellency. Analysis of the larval cuticle by GC and mass spectrometry confirmed the presence of n-heneicosane in the cuticles of Ae. albopictus larvae. The species-specific role of n-heneicosane as an oviposition pheromone in Ae. aegypti and its significance as a behaviour modifier of Ae. albopictus in breeding sites is discussed.

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Field Evaluation of Ovipositional Repellents Against Culex (Diptera: Culicidae) Mosquitoes

Cited by 9 publications

References 0 publications

Behavioral and electrophysiological responses of Culex quinquefasciatus to certain fatty acid esters

Behavioral and electrophysiological responses of Culex quinquefasciatus to certain fatty acid esters

Chemical Ecology and Behavioral Aspects of Mosquito Oviposition

Electrophysiological and behavioural response of Aedes albopictus to n‐heinecosane, an ovipositional pheromone of Aedes aegypti

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