Determining the Repellency of Solid Chemicals to Mosquitoes1

Linduska, J. P.; Morton, F. A.

doi:10.1093/jee/40.4.562

Cited by 6 publications

(3 citation statements)

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“…However, the NMRI constituent 2-phenylcyclohexanol has been found to give longer skin protection than Rutgers 612 (Travis & others, 1949). It is also stable to rinsing when used as a clothing impregnant, but is not as powerful a repellent as DMP or Rutgers 612 for this purpose (Linduska & Morton, 1947).…”

Section: Discussion Of Resultsmentioning

confidence: 99%

Studies on the Responses of the Female Aëdes Mosquito. Part II.—The Action of Liquid Repellent Compounds

Sarkaria¹,

Brown²

1951

Bull. Entomol. Res.

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A number of liquid mosquito repellents were assessed for vapour repellency power in an olfactometer mounted in a very large cage filled with females of Aëdes aegypti. They were also tested for their knockdown power in fumigation bottles. Their vapour pressures were determined by the Ramsay-Young method.All the liquids showed vapour repellency, and in 39 out of the 42 tested this effect was highly significant. The highest vapour repellency ratings were shown by compounds already known to be the most effective repellents.Although the more volatile compounds such as citronellal tend to show the highest repellency ratings, nevertheless compounds of low vapour pressure such as indalone, DMP and isobornyl morpholinoacetate may also show high vapour repellency. It is concluded that vapour repellency, although in the first instance dependent upon volatility, can vary independently of vapour pressure, so that compounds may be found which afford not only a long protection period due to their nonvolatility, but also a high vapour repellency due to the potency of the comparatively few molecules that are volatilised.The vapours of most of the repellents were found to induce knockdown of mosquitos, but there was no correlation between the speed of this process and the vapour repellency of the compounds.

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Section: Discussion Of Resultsmentioning

confidence: 99%

Studies on the Responses of the Female Aëdes Mosquito. Part II.—The Action of Liquid Repellent Compounds

Sarkaria¹,

Brown²

1951

Bull. Entomol. Res.

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“…Distillation afforded the desired material (114"/0.20 mm) as a slightly yellow oil, 1.6 g; IR (film): 2 evaluated. Distillation afforded the desired material (114"/0.20 mm) as a slightly yellow oil, 1.6 g; IR (film): 2 evaluated.…”

Section: Experimental'mentioning

confidence: 99%

“…In one study, 8-hydroxyquinoline was reported to be more effective against A. aegypti than the standard repellent, dimethyl phthalate (2). Following this report, other derivatives, chiefly in the quinoline series, were evaluated, including esters and amides of cinchoninic acid and alkyl-substituted cinchoninic acids (3,4).…”

Section: Experimental'mentioning

confidence: 99%