Laboratory and Field Responses of the Mosquito, Culex quinquefasciatus, to Plant-Derived Culex spp. Oviposition Pheromone and the Oviposition Cue Skatole

Olagbemiro, T. O.; Birkett, Michael A.; Mordue, A. J.; Pickett, John A.

doi:10.1023/b:joec.0000028461.86243.19

Cited by 46 publications

(41 citation statements)

References 8 publications

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“…The monounsaturated fatty acid compound comprises about 5% of total kochia seed fatty acids (Whitney et al 2004). The activity and attractiveness of the pheromone were similar to that of a pure synthetic sample containing the same amount of active enantiomer (Olagbemiro et al 1999(Olagbemiro et al , 2004. Kochia foliage also contains compound(s) with insecticidal activity, and extracts from ground kochia shoot biomass were found to have acaricidal activity (contact and systemic toxicity) against three species of mites (Tetranychus spp.…”

Section: Description and Account Of Variationmentioning

confidence: 83%

The biology of Canadian weeds. 138. Kochia scoparia (L.) Schrad.

Friesen¹,

Beckie²,

Warwick³

et al. 2009

Can. J. Plant Sci.

111

164

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Kochia [Kochia scoparia (L.) Schrad.] is an annual broadleaf weed species native to Eurasia and introduced as an ornamental to the Americas by immigrants in the mid- to late 1800s. Although sometimes categorized in the genus Bassia, there is no compelling reason for this classification. This naturalized species is a common and economically important weed in crop production systems and ruderal areas in semiarid to arid regions of North America, and has expanded northward in the Canadian Prairies during the past 30 yr. Although primarily self-pollinated, substantial pollen-mediated gene flow and efficient seed dispersal aids both short- and long-distance spread. The weed is morphologically highly variable, and its growth and development are markedly affected by environmental conditions. Kochia, a C4 species, is highly competitive in cropping systems because of its ability to germinate at low soil temperatures and emerge early, grow rapidly, tolerate heat, drought and salinity, and exert allelopathic effects on neighboring species. Moreover, herbicidal control has been compromised to some extent by the widespread evolution of herbicide resistance in the species. Kochia is used as a forage, is palatable to livestock with nutritional value similar to that of alfalfa (Medicago sativa), but can be toxic if it comprises the majority of the diet. Although kochia pollen is an allergen, the seed is a source of phytochemicals including mosquito pheromones and saponins that are potentially beneficial to human health; kochia also is beneficial in phytoremediation of soils contaminated by hydrocarbons or pesticides. Key words: Kochia, Kochia scoparia, Bassia scoparia, herbicide resistance, soil salinity tolerance, weed biology

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Section: Description and Account Of Variationmentioning

confidence: 83%

The biology of Canadian weeds. 138. Kochia scoparia (L.) Schrad.

Friesen¹,

Beckie²,

Warwick³

et al. 2009

Can. J. Plant Sci.

111

164

View full text Add to dashboard Cite

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“…An oviposition pheromone, released by maturing eggs, attracts gravid females and increases egg deposits (113). Certain aromatic compounds released from decaying organic matter in the mosquito's preferred oviposition sites have similar effects (141,142). Olfactory sensilla responsive to these volatiles have been identified (128,138,140).…”

Section: Quinquefasciatus: a Vector Of Filariasismentioning

confidence: 99%

Insect olfaction from model systems to disease control

Carey

Carlson

2011

Proc. Natl. Acad. Sci. U.S.A.

191

172

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Great progress has been made in the field of insect olfaction in recent years. Receptors, neurons, and circuits have been defined in considerable detail, and the mechanisms by which they detect, encode, and process sensory stimuli are being unraveled. We provide a guide to recent progress in the field, with special attention to advances made in the genetic model organism Drosophila. We highlight key questions that merit additional investigation. We then present our view of how recent advances may be applied to the control of diseasecarrying insects such as mosquitoes, which transmit disease to hundreds of millions of people each year. We suggest how progress in defining the basic mechanisms of insect olfaction may lead to means of disrupting host-seeking and other olfactory behaviors, thereby reducing the transmission of deadly diseases.olfactory coding | odorant receptor | olfactory circuits | vector biology | pheromone T he insect olfactory system has emerged as a prominent model in neuroscience. Investigation of its organization and function has revealed surprising answers to fundamental questions of how an animal detects, encodes, and processes sensory stimuli. The olfactory system is also of immense importance in the natural world, where it mediates attraction of insects to humans and thus underlies the transmission of disease to hundreds of millions of people each year.Remarkable progress has been made over the past decade in elucidating mechanisms of insect olfaction, in many cases facilitated by the genetic tractability of the model organism Drosophila melanogaster. Here, we consider recent advances in the understanding of insect olfactory receptors, neurons, and circuits made in Drosophila and other insect species. We present our view that this emerging body of knowledge poises the field to make major contributions to the control of insect pests and vectors of disease, and we highlight strategies for olfactory-based vector control. We offer our perspective on the most critical challenges to fulfilling this technological promise and to solving the scientific problem of how olfactory input is translated into behavioral output.

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“…These include production of the Culex spp. oviposition pheromone from the seed oil of Kochia scoparia (Chenopodiaceae) (Olagbemiro et al 1999(Olagbemiro et al , 2004, and the sandfly, Lutzomyia longipalpis, pheromone, (S)-9-methylgermacrene-B, from the essential oil of Geranium macrorrhizium (Geraniaceae) (Hooper et al 2006).…”

Section: Host-derived Attractants and Attractant Pheromonesmentioning

confidence: 99%

Chemical Ecology of Animal and Human Pathogen Vectors in a Changing Global Climate

et al. 2010

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Infectious diseases affecting livestock and human health that involve vector-borne pathogens are a global problem, unrestricted by borders or boundaries, which may be exacerbated by changing global climate. Thus, the availability of effective tools for control of pathogen vectors is of the utmost importance. The aim of this article is to review, selectively, current knowledge of the chemical ecology of pathogen vectors that affect livestock and human health in the developed and developing world, based on key note lectures presented in a symposium on "The Chemical Ecology of Disease Vectors" at the 25th Annual ISCE meeting in Neuchatel, Switzerland. The focus is on the deployment of semiochemicals for monitoring and control strategies, and discusses briefly future directions that such research should proceed along, bearing in mind the environmental challenges associated with climate change that we will face during the 21st century.

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Laboratory and Field Responses of the Mosquito, Culex quinquefasciatus, to Plant-Derived Culex spp. Oviposition Pheromone and the Oviposition Cue Skatole

Cited by 46 publications

References 8 publications

The biology of Canadian weeds. 138. Kochia scoparia (L.) Schrad.

The biology of Canadian weeds. 138. Kochia scoparia (L.) Schrad.

Insect olfaction from model systems to disease control

Chemical Ecology of Animal and Human Pathogen Vectors in a Changing Global Climate

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