1-Octen-3-ol. A potent olfactory stimulant and attractant for tsetse isolated from cattle odours

Hall, David R.; Beevor, P. S.; Cork, A.; Nesbitt, Brenda F.; Vale, G. A.

doi:10.1017/s1742758400008626

Cited by 166 publications

(199 citation statements)

References 24 publications

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“…1-octen-3-ol, the most significant chemostimulant for tsetse in L. camara, is a previously described attractant for these flies in cattle odour (Hall et al, 1984) and is included in almost all odour baits for a range of tsetse species (Dransfield and Brightwell, 1992). We have quantified (by GC-EAD) the olfactory threshold of tsetse to be in the range of 0.1 ppt for this product, equivalent to detection threshold of male moths for their sex pheromones (Kaissling and Priesner, 1970).…”

Section: Discussionmentioning

confidence: 99%

Tsetse flies are attracted to the invasive plant Lantana camara

Syed

Guérin

2004

Journal of Insect Physiology

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In tsetse both sexes feed exclusively on the blood of vertebrates for a few minutes every 2-3 days. Tsetse flies seek cover from high temperatures to conserve energy and plants provide shelter for tsetse in all the biotopes they occupy. Recently, tsetse have taken cover in plantations and under the invasive bush Lantana camara that has invaded large areas of the tsetse fly belt of Africa. Flies from such refugia are implicated in sleeping sickness epidemics. In a wind tunnel we show that both foliage and an extract of volatiles from foliage of L. camara attract three tsetse spp. from different habitats: Glossina fuscipes fuscipes (riverine), G. brevipalpis (sylvatic) and G. pallidipes (savannah).Gas chromatography analysis of volatiles extracted from leaves and flowers of L. camara coupled to electroantennograme recordings show that 1-octen-3-ol and b-caryophyllene are the major chemostimuli for the antennal receptor cells of the three tsetse spp. studied. A binary mixture of these products attracted these flies in the wind tunnel. The gas chromatography linked electroantennograme analysis of the L. camara extracts also show that the antennal receptor cells of the three tsetse spp. respond similarly to groups of volatiles derived from the major biosynthetic and catabolic pathways of plants, i.e. to mono-and sesquiterpenes, to lipoxidation products and to aromatics. Mixtures of these plant volatiles also attracted tsetse in the wind tunnel. These findings show that tsetse flies have conserved a strong sensitivity to volatile secondary products of plants, underlining the fundamental role of vegetation in tsetse survival.

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Section: Discussionmentioning

confidence: 99%

Tsetse flies are attracted to the invasive plant Lantana camara

Syed

Guérin

2004

Journal of Insect Physiology

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“…Identification of a series of kairomones for savannah tsetse from preferred hosts (Hall et al 1984;Owaga et al 1988) facilitated the development of baited traps and targets (the latter impregnated with insecticides) effective in large-scale suppression of these species (Vale et al 1988;Brightwell et al 1991). Several synthetic and natural repellents, including a constituent of bovid odours, 2-methoxyphenol, have been evaluated but were found not to be sufficiently effective in protecting cattle in the field (Torr et al 1996).…”

Section: Prospects For Push-pull In Controlling Livestock Pests and Dmentioning

confidence: 99%

Integrated pest management: the push–pull approach for controlling insect pests and weeds of cereals, and its potential for other agricultural systems including animal husbandry

Hassanali

Herren

Khan

et al. 2007

Phil. Trans. R. Soc. B

241

146

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This paper describes the 'push-pull' or 'stimulo-deterrent diversionary' strategy in relation to current and potential examples from our own experiences. The push-pull effect is established by exploiting semiochemicals to repel insect pests from the crop ('push') and to attract them into trap crops ('pull'). The systems exemplified here have been developed for subsistence farming in Africa and delivery of the semiochemicals is entirely by companion cropping, i.e. intercropping for the push and trap cropping for the pull. The main target was a series of lepidopterous pests attacking maize and other cereals. Although the area given to the cereal crop itself is reduced under the push-pull system, higher yields are produced per unit area. An important spin-off from the project is that the companion crops are valuable forage for farm animals. Leguminous intercrops also provide advantages with regard to plant nutrition and some of the trap crops help with water retention and in reducing land erosion. A major benefit is that certain intercrop plants provide dramatic control of the African witchweed (striga). Animal husbandry forms an essential part of intensive subsistence agriculture in Africa and developments using analogous push-pull control strategies for insect pests of cattle are exemplified.

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“…Studies have, however, shown that 1-octen-3-ol and acetone can increase net movement of C. impunctatus in a Y-tube olfactometer (Basin et al, 2000). Both acetone and 1-octen-3-o1 have been found to be attractive to the tsetsefly (Hall et al, 1984;Vale, 1980). Vale & Hall (1985b) increased flies catches of Glossina morsitans moritans and G. pallidipes by up to three times by releasing 1-octen-3-o1 at 0.5-50 mg/h or acetone at 5-500 mg/h near traps.…”

Section: Chemical Vapours Tests 1-octen-3-olmentioning

confidence: 99%

The Effect of C02, Sweat, Chemical Vapours and Air on <i>Simulium ornatum</i>: Implications for Control

Opoku¹

2008

West African Journal of Applied Ecology

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Studies on the response of the blackfly Simulium ornatum s.l (Diptera Simuliidae) to carbon dioxide (CO 2 ), acetone, 1-octen-3-ol and air was conducted in the laboratory using a Y-tube olfactometer. The blackflies were found to exhibit a high degree of activity in the olfactometer and responded to the various odours. The results showed that CO 2 and l-octen-3-ol were attractive to the flies at low concentrations (< 1% CO 2 & < 2.5% 1-octen-3-ol) and repellent at high concentrations (> 2% CO 2 & > 4% 1-octen-3-ol). Humidified air was found to be an attractant, and dry air a repellent. Acetone at low concentrations (< 0.2%) did not appear to have any effect, while at higher concentrations (> 1%) it repelled. The results indicate that the use of attractive odours could be beneficial in reducing vector biting of hosts if used in areas where the host is present.

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1-Octen-3-ol. A potent olfactory stimulant and attractant for tsetse isolated from cattle odours

Cited by 166 publications

References 24 publications

Tsetse flies are attracted to the invasive plant Lantana camara

Tsetse flies are attracted to the invasive plant Lantana camara

Integrated pest management: the push–pull approach for controlling insect pests and weeds of cereals, and its potential for other agricultural systems including animal husbandry

The Effect of C02, Sweat, Chemical Vapours and Air on <i>Simulium ornatum</i>: Implications for Control

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