Repellency of Oils of Lemon Eucalyptus, Geranium, and Lavender and the Mosquito Repellent MyggA Natural to &lt;I&gt;Ixodes ricinus&lt;/I&gt; (Acari: Ixodidae) in the Laboratory and Field

Jaenson, Thomas G. T.; Garboui, Samira S.; Pålsson, Katinka

doi:10.1603/0022-2585(2006)43[731:rooole]2.0.co;2

Cited by 71 publications

(31 citation statements)

References 24 publications

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“…These results conform to those of a previous study in which MyggA Natural (roll-on) was tested in the laboratory and field (Jaenson et al 2006). In that study we showed that the formulation compound, 1, 2-propanediol, of MyggA Natural does not repel I. ricinus nymphs.…”

Section: Discussionsupporting

confidence: 92%

“…A recently developed product, MyggA Ò Natural is based purely on naturally occurring plant compounds and contains as the main active substance para-menthane-3,8-diol (PMD) from the lemon eucalyptus Corymbia citriodora and small amount of terpene-fractions of essential oils of four different plant species. In a previous study MyggA Ò Natural (roll on) was shown to effectively repel ticks in Sweden (Jaenson et al 2006).…”

Section: Introductionmentioning

confidence: 94%

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Repellency of MyggA® Natural spray (para-menthane-3,8-diol) and RB86 (neem oil) against the tick Ixodes ricinus (Acari: Ixodidae) in the field in east-central Sweden

2006

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In the field in south-central Sweden, we tested by randomised, standardised methodology the potential anti-tick repellent activity of two concentrations of MyggA Natural spray (containing PMD) (4.2 and 3.2 g/m2) and one of RB86 (with 70% neem oil containing azadirachtin) (3 g/m2) to host seeking nymphs of Ixodes ricinus. Each substance was applied separately to 1 m2 cotton flannel cloths. Nymphal ticks on the cloths, pulled over the vegetation, were recorded at 10-m stops. Nymphal numbers recorded differed significantly between treated cloths [4.2 or 3.2 g MyggA Natural spray/m2 and 3 g RB86/m2] and the untreated control (df = 3, chi2 = 112.74, P < 0.0001). Nymphal numbers also differed significantly among collectors (df = 3, chi2 = 15.80, P < 0.001). Repellency of treated cloths, i.e., 4.2 or 3.2 g MyggA Natural spray/m2 and 3 g RB 86/m2 declined from day 0 (i.e. the day of impregnation) to day 3 after impregnation from 77 to 24%, 58 to 16% and 47 to 0.5%, respectively. This study suggests that all three treatments have significant repellent activities against I. ricinus nymphs.

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Section: Discussionsupporting

confidence: 92%

Section: Introductionmentioning

confidence: 94%

Repellency of MyggA® Natural spray (para-menthane-3,8-diol) and RB86 (neem oil) against the tick Ixodes ricinus (Acari: Ixodidae) in the field in east-central Sweden

2006

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“…Moore et al (2007) demonstrated efficacy of low-cost repellent containing PMD and lemongrass oil (with fixatives) for up to 6 h, which was more effective than DEET, against Anopheles darlingi in Peru. However, prolonged protection effects have been reported from 20% of the oil from turmeric, citronella, and hairy basil, especially with the addition of 5% vanillin as fixative in which they each can repel three species of mosquitoes for up to 6 h (Jaenson et al 2006). Seyoum et al (2002a) studied the repellency of live potted plants against Anopheles gambiae from human baits in semi-field experimental huts.…”

Section: Introductionmentioning

confidence: 99%

Adulticidal and repellent properties of indigenous plant extracts against Culex quinquefasciatus and Aedes aegypti (Diptera: Culicidae)

Govindarajan

Sivakumar

2011

Parasitol Res

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Several diseases are associated to the mosquito-human interaction. Mosquitoes are the carriers of severe and well-known illnesses such as malaria, arboviral encephalitis, dengue fever, chikunguniya fever, West Nile virus, and yellow fever. These diseases produce significant morbidity and mortality in humans and livestock around the world. The adulticidal and repellent activities of crude hexane, ethyl acetate, benzene, chloroform, and methanol extracts of leaf of Eclipta alba and Andrographis paniculata were assayed for their toxicity against two important vector mosquitoes, viz., Culex quinquefasciatus and Aedes aegypti (Diptera: Culicidae). The adult mortality was observed after 24 h of exposure. All extracts showed moderate adulticide effects; however, the highest adult mortality was found in methanol extract of A. paniculata against the adults of C. quinquefasciatus and A. aegypti with the LC(50) and LC(90) values were 149.81, 172.37 ppm and 288.12, 321.01 ppm, respectively. The results of the repellent activity of hexane, ethyl acetate, benzene, chloroform, and methanol extract of E. alba and A. paniculata plants at three different concentrations of 1.0, 2.5, and 5.0 mg/cm(2) were applied on skin of forearm in man and exposed against adult female mosquitoes. In this observation, these two plant crude extracts gave protection against mosquito bites without any allergic reaction to the test person, and also, the repellent activity is dependent on the strength of the plant extracts. These results suggest that the leaf solvent plant extracts have the potential to be used as an ideal ecofriendly approach for the control of mosquitoes. This is the first report on the mosquito adulticidal and repellent activities of the reported E. alba and A. paniculata plants.

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“…There are reports on the insect repellency from mint (Teucrium leucocladum), citronella (Cymbopogon nardus), basil (Ocimum genus and their cultivars), thyme (Thymus vulgaris L.), neem (Azadirachta indica A. Juss), and lemongrass (Cymbopogon citratus; 9-14). Trongtokit et al have assessed repellent activity of 38 Thai essential oils and found that an effective time of repellency strongly depended on the concentrations, experiment designs, and mosquito species (14). It is obvious that repellent effects of natural oil are mostly shorter than the synthetic one like DEET.…”

Section: Introductionmentioning

confidence: 99%

In Vitro Characterization and Mosquito (Aedes aegypti) Repellent Activity of Essential-Oils-Loaded Nanoemulsions

et al. 2009

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Abstract. The nanoemulsions composed of citronella oil, hairy basil oil, and vetiver oil with mean droplet sizes ranging from 150 to 220 nm were prepared and investigated both in vitro and in vivo. Larger emulsion droplets (195-220 nm) shifted toward a smaller size (150-160 nm) after high-pressure homogenization and resulted in higher release rate. We proposed that thin films obtained from the nanoemulsions with smaller droplet size would have higher integrity, thus increasing the vaporization of essential oils and subsequently prolonging the mosquito repellant activity. The release rates were fitted with Avrami's equations and n values were in the same range of 0.6 to 1.0, implying that the release of encapsulated limonene was controlled by the diffusion mechanism from the emulsion droplet. By using high-pressure homogenization together with optimum concentrations of 5% (w/w) hairy basil oil, 5% (w/w) vetiver oil (5%), and 10% (w/w) citronella oil could improve physical stability and prolong mosquito protection time to 4.7 h due to the combination of these three essential oils as well as small droplet size of nanoemulsion.

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Repellency of Oils of Lemon Eucalyptus, Geranium, and Lavender and the Mosquito Repellent MyggA Natural to <I>Ixodes ricinus</I> (Acari: Ixodidae) in the Laboratory and Field

Cited by 71 publications

References 24 publications

Repellency of MyggA® Natural spray (para-menthane-3,8-diol) and RB86 (neem oil) against the tick Ixodes ricinus (Acari: Ixodidae) in the field in east-central Sweden

Repellency of MyggA® Natural spray (para-menthane-3,8-diol) and RB86 (neem oil) against the tick Ixodes ricinus (Acari: Ixodidae) in the field in east-central Sweden

Adulticidal and repellent properties of indigenous plant extracts against Culex quinquefasciatus and Aedes aegypti (Diptera: Culicidae)

In Vitro Characterization and Mosquito (Aedes aegypti) Repellent Activity of Essential-Oils-Loaded Nanoemulsions

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