Oviposition responses of Aedes aegypti and Aedes albopictus to certain fatty acid esters

Sharma, Kanika; Seenivasagan, T.; Rao, A. N.; Ganesan, K.; Agarwal, O. P.; Malhotra, Rashmi; Prakash, S.

doi:10.1007/s00436-008-1094-1

Cited by 43 publications

(34 citation statements)

References 25 publications

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“…aegypti maintained for more than 25 years in our insectary at 27±2°C and 75±5% RH as described by Sharma et al (2008) has been utilized for the experiments. Five-to seven-day-old adults (50-75 pairs) of the test species were kept for oviposition in separate standard-sized wooden rearing cages (750×600×600 mm) with a sleeve opening on one side.…”

Section: Mosquitoesmentioning

confidence: 99%

Electroantennogram, flight orientation, and oviposition responses of Aedes aegypti to the oviposition pheromone n-heneicosane

Seenivasagan

Sharma

Sekhar³

et al. 2008

Parasitol Res

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Oviposition pheromones specifically influence the females of many insects to lay eggs in the sites resulting in more egg deposition. A previous report describes the principal role of n-heneicosane (C(21)) identified and characterized from the larval cuticle of Aedes aegypti (L.) in attracting the gravid mosquitoes to oviposit in treated substrates among other chemical components. However, the means by which this compound is perceived by the females for oviposition has not been reported. In this study, we have recorded the peripheral olfactory responses from the antenna of Ae. aegypti from 10(-7) g to 10(-3) g doses of n-heneicosane. The EAG response of female mosquitoes increased in a dose-dependent manner with increasing stimulus strength. In the orientation assay using Y-maze olfactometer, female mosquitoes were attracted to the odor plume of 10(-6) g and 10(-5) g dose, while the higher dose of 10(-3) g plume enforced repellency to gravid mosquitoes. The response to oviposition substrates by gravid Ae. aegypti females differed across the range of concentrations of n-heneicosane under multiple choice conditions, larger number of eggs were deposited in 10 ppm (10 mg/l) solutions compared to lower and higher concentrations indicating 10 ppm was most attractive. Application of n-heneicosane at 10 ppm in breeding habitats will be a useful method to attract the gravid mosquitoes using ovitraps for surveillance and monitoring. The possible use of this compound in monitoring of mosquito population in endemic areas in relevance to integrated vector management strategies is discussed in detail.

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Section: Mosquitoesmentioning

confidence: 99%

Electroantennogram, flight orientation, and oviposition responses of Aedes aegypti to the oviposition pheromone n-heneicosane

Seenivasagan

Sharma

Sekhar³

et al. 2008

Parasitol Res

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“…Ester compounds are abundant in dipteran sex pheromones (Jacobson et al 1973), and also received an interest as potential oviposition cues. Some ester compounds were found to stimulate/attract mosquito oviposition while others were oviposition de terrents/repellents (Sharma et al 2008Seeniva sagan et al 2010Seeniva sagan et al , 2012Guha et al 2012). Synthetic compounds may resemble natural compounds that are present in the animal's ecological environment, but for some (including some known repellents that affect host seeking), no ecological significance is known (Li et al 2009, Tikar et al 2014).…”

Section: Synthetic Compoundsmentioning

confidence: 99%

Chemosensory Cues for Mosquito Oviposition Site Selection

Afify¹,

Galizia²

2015

Journal of Medical Entomology

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Gravid mosquitoes use chemosensory (olfactory, gustatory, or both) cues to select oviposi tion sites suitable for their offspring. In nature, these cues originate from plant infusions, microbes, mosquito immature stages, and predators. While attractants and stimulants are cues that could show the availability of food (plant infusions and microbes) and suitable conditions (the presence of conspecifics), repellents and deterrents show the risk of predation, infection with pathogens, or strong competition. Many studies have addressed the question of which substances can act as positive or negative cues in different mosquito species, with sometimes apparently contradicting results. These studies often differ in species, substance concentration, and other experimental details, making it difficult to compare the results. In this review, we compiled the available information for a wide range of species and substances, with particular attention to cues originating from larval food, immature stages, predators, and to syn thetic compounds. We note that the effect of many substances differs between species, and that many substances have been tested in few species only, revealing that the information is scattered across species, substances, and experimental conditions.

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“…octadecyl propanoate, heptadecyl butanoate, hexadecyl pentanoate, pentadecyl hexanoate, tetradecyl heptanoate, tridecyl octanoate, and dodecyl nonanoate, undecyl decanoate, decyl undecanoate, nonyl dodecanoate, octyl tridecanoate, heptyl tetradecanoate, hexyl pentadecanoate, pentyl hexadecanoate, butyl heptadecanoate, propyl octadecanoate were synthesized and characterized as per the detailed method described by Sharma et al (2008), and were received for screening from the Chemistry Division to evaluate the biological activity on oviposition responses of A. stephensi.…”

Section: Chemicalsmentioning

confidence: 99%

“…Multiple choice bioassays under laboratory conditions were conducted in which the gravid females were allowed to choose between treated and untreated (control) oviposition substrates based on the method described by Sharma et al (2008). Oviposition bioassays were performed in duplicates, i.e., in two separate wooden cages of size (750× 600×600 mm) for each test mosquito species.…”

Section: Ovipositionmentioning

confidence: 99%

“…In our earlier investigations, we have reported certain fatty acids and esters identified from egg extracts of A. aegypti as oviposition attractants (Ganesan et al 2006), some C 21 fatty acid esters mediating the oviposition responses of A. aegypti and A. albopictus (Sharma et al 2008). However, literatures available on the synthetic oviposition attractants/repellents for A. stephensi are very limited and to our knowledge the esters of C 21 chain length have not been reported as mediators of oviposition behavior in A. stephensi.…”

Section: Introductionmentioning

confidence: 98%

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Mediation of oviposition responses in the malaria mosquito Anopheles stephensi Liston by certain fatty acid esters

et al. 2008

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The chemical factors involved in oviposition site selection by mosquitoes have become the focus of interest in recent years, and considerable attention is paid to the chemical cues influencing mosquito oviposition. Studies on synthetic oviposition attractants/repellents of long-chain fatty acid esters against Anopheles stephensi are limited. Screening and identification of chemicals which potentially attract/repel the gravid females to/or from oviposition site could be exploited for eco-friendly mosquito management strategies. The ester compounds demonstrated their ability to repel and attract the gravid A. stephensi females in the treated substrates. Significant level of concentration-dependent negative oviposition response of mosquitoes to octadecyl propanoate, heptadecyl butanoate, hexadecyl pentanoate, and tetradecyl heptanoate were observed. In contrast, decyl undecanoate, nonyl dodecanoate, pentyl hexadecanoate, and propyl octadecanoate elicited concentration-dependent positive oviposition responses from the gravid mosquitoes. Forcing a female to retain her eggs due to unavailability of a suitable oviposition site and attracting them to lay the eggs in a baited ovitraps shall ensure effective control of mosquito breeding and population buildup because the oviposition bioassay target the most susceptible stage of an insect life cycle. Treating relatively smaller natural breeding sites with an effective repellent and placing ovitraps containing an attractant in combination with insect-growth regulator (IGR)/insecticide would be a promising method of mosquito management.

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Oviposition responses of Aedes aegypti and Aedes albopictus to certain fatty acid esters

Cited by 43 publications

References 25 publications

Electroantennogram, flight orientation, and oviposition responses of Aedes aegypti to the oviposition pheromone n-heneicosane

Electroantennogram, flight orientation, and oviposition responses of Aedes aegypti to the oviposition pheromone n-heneicosane

Chemosensory Cues for Mosquito Oviposition Site Selection

Mediation of oviposition responses in the malaria mosquito Anopheles stephensi Liston by certain fatty acid esters

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