Mosquito Attractants

Dormont, Laurent; Mulatier, Margaux; Carrasco, Davíd; Cohuet, Anna

doi:10.1007/s10886-021-01261-2

Cited by 43 publications

(32 citation statements)

References 408 publications

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“…These compounds have effects on reproduction, survival and in inhibiting the growth of competitive species, and maybe this is the reason why the initial culture, in the mosquito breeding site, was almost a monoalgal culture. On the other hand, microalgae produce volatiles compounds that might act as attractants for some insects, including mosquitoes, such as fatty acids derivatives [44,45], terpenoids [46], alcohols [47], and aldehydes [48]. Mosquitoes depend on olfactory signals to carry out behavioral activities, such as locating preys or hosts, selecting places to lay their eggs, courtship, and others, that they detect through their sensory organs.…”

Section: Discussionmentioning

confidence: 99%

Culex quinquefasciatus larvae development arrested when fed on Neochloris aquatica

et al. 2021

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Culex quinquefasciatus is a cosmopolitan species widely distributed in the tropical and subtropical areas of the world. Due to its long history of close association with humans, the transmission of arboviruses and parasites have an important role in veterinary and public health. Adult females feed mainly on birds although they can also feed on humans and other mammals. On the other hand, larvae are able to feed on a great diversity of microorganisms, including microalgae, present in natural or artificial breeding sites with a high organic load. These two particularities, mentioned above, are some of the reasons why this mosquito is so successful in the environment. In this work, we report the identification of a microalga found during field sampling in artificial breeding sites, in a group of discarded tires with accumulated rainwater. Surprisingly, only one of them had a bright green culture without mosquito larvae while the other surrounding tires contained a large number of mosquito larvae. We isolated and identified this microorganism as Neochloris aquatica, and it was evaluated as a potential biological control agent against Cx. quinquefasciatus. The oviposition site preference in the presence of the alga by gravid females, and the effects on larval development were analyzed. Additionally, microalga effect on Cx. quinquefasciatus wild type, naturally infected with the endosymbiotic bacterium Wolbachia (w+) and Wolbachia free (w−) laboratory lines was explored. According to our results, even though it is chosen by gravid females to lay their eggs, the microalga had a negative effect on the development of larvae from both populations. Additionally, when the larvae were fed with a culture of alga supplemented with balanced fish food used as control diet, they were not able to reverse its effect, and were unable to complete development until adulthood. Here, N. aquatica is described as a biological agent, and as a potential source of bioactive compounds for the control of mosquito populations important in veterinary and human health.

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Section: Discussionmentioning

confidence: 99%

Culex quinquefasciatus larvae development arrested when fed on Neochloris aquatica

et al. 2021

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“…Mosquitoes use humidity, heat, and visual and olfactory stimuli to guide the flight, landing, and to find a food source ( McMeniman et al., 2014 ; Ray, 2015 ; Raji & DeGennaro, 2017 ). Carbon dioxide (CO 2 ), lactic acid, acetone, and ammonia are some of the most well-known volatile human-derived signals used by mosquitoes to locate humans ( Smallegange et al., 2011 ; Takken & Verhulst, 2013 ; Raji & DeGennaro, 2017 ; Dormont et al., 2021 ). Anthropophilic mosquitoes differentiate humans from other animals (e.g.…”

Section: Basic Aspects Of Human-mosquito Interactions and Mosquito At...mentioning

confidence: 99%

Variability in human attractiveness to mosquitoes

Ellwanger

Cardoso

2021

Current Research in Parasitology & Vector-Borne Diseases

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“…Mosquitoes primarily rely on visual and olfactory cues to locate plants, and mosquito preferences for certain plant species can be mediated by the composition of plant volatile blends (Lahondère et al 2020;Nikbakhtzadeh et al 2014;Nyasembe et al 2018;von Oppen et al 2015). Although mosquito attraction to plants has received far less attention than attraction to vertebrate hosts, it presents a new opportunity to develop mosquito lures for population monitoring or control (Dormont et al 2021;Foster 2008;Nyasembe and Torto 2014). In contrast, using plants and plant-derived compounds to repel mosquitoes has a much longer history.…”

Section: Introductionmentioning

confidence: 99%

Avoidance of the Plant Hormone Cis-Jasmone by Aedes aegypti Depends On Mosquito Age in Both Plant and Human Odor Backgrounds

et al. 2021

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Adults of many mosquito species feed on plants to obtain metabolic energy and to enhance reproduction. Mosquitoes primarily rely on olfaction to locate plants and are known to respond to a range of plant volatiles. We studied the olfactory response of the yellow fever mosquito Aedes aegypti to methyl jasmonate (MeJA) and cis-jasmone (CiJA), volatile compounds originating from the octadecanoid signaling pathway that plays a key role in plant defense against herbivores. Specifically, we investigated how Ae. aegypti of different ages responded to elevated levels of CiJA in two attractive odor contexts, either derived from Lima bean plants or human skin. Aedes aegypti females landed significantly less often on a surface with CiJA and MeJA compared to the solvent control, CiJA exerting a stronger reduction in landing than MeJA. Odor context (plant or human) had no significant main effect on the olfactory responses of Ae. aegypti females to CiJA. Mosquito age significantly affected the olfactory response, older females (7–9 d) responding more strongly to elevated levels of CiJA than young females (1–3 d) in either odor context. Our results show that avoidance of CiJA by Ae. aegypti is independent of odor background, suggesting that jasmonates are inherently aversive cues to these mosquitoes. We propose that avoidance of plants with elevated levels of jasmonates is adaptive to mosquitoes to reduce the risk of encountering predators that is higher on these plants, i.e. by avoiding ‘enemy-dense-space’.

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Mosquito Attractants

Cited by 43 publications

References 408 publications

Culex quinquefasciatus larvae development arrested when fed on Neochloris aquatica

Culex quinquefasciatus larvae development arrested when fed on Neochloris aquatica

Variability in human attractiveness to mosquitoes

Avoidance of the Plant Hormone Cis-Jasmone by Aedes aegypti Depends On Mosquito Age in Both Plant and Human Odor Backgrounds

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