Biorational compounds as effective arthropod repellents against mosquitoes and ticks

Wong, Colin; Corona, Caleb; Coats, Joel R.

doi:10.1016/b978-0-323-85411-5.00012-1

Cited by 2 publications

(3 citation statements)

References 15 publications

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“…Overview: The Tube assay is a simple and low-cost technique that uses a hollow cylinder apparatus to measure mosquito behavior and location (see Figure 1A) (77)(78)(79)(80).…”

Section: Tube Assaysmentioning

confidence: 99%

“…Example from scientific literature: This type of apparatus has been used in several publications to measure mosquito repellency of new and/or established treatments (77)(78)(79). In 2006, Schultz and colleagues tested four treatments, catnip essential oil, Osage orange essential oil, elemol, and DEET at different concentrations using a version of a Tube assay, they called "Static-Air Repellency Chamber" (80).…”

Section: Tube Assaysmentioning

confidence: 99%

“…Variations: There are several different variations and ways to modify the experimental design of this type of assay to test unique and/or specific hypotheses. These variations include the orientation of the tube (horizontal or vertical), the dimensions (width and length), and material of the tube (opaque, glass, plastic) (77)(78)(79)(80). Variations in tube assays are very easy to standardize and these assays can be used to test for repellency, attraction, olfactory desensitization, or toxicity of treatments.…”

Section: Tube Assaysmentioning

confidence: 99%

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A critical review of current laboratory methods used to evaluate mosquito repellents

Luker

2024

Front. Insect Sci.

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Pathogens transmitted by mosquitoes threaten human health around the globe. The use of effective mosquito repellents can protect individuals from contracting mosquito-borne diseases. Collecting evidence to confirm and quantify the effectiveness of a mosquito repellent is crucial and requires thorough standardized testing. There are multitudes of methods to test repellents that each have their own strengths and weaknesses. Determining which type of test to conduct can be challenging and the collection of currently used and standardized methods has changed over time. Some of these methods can be powerful to rapidly screen numerous putative repellent treatments. Other methods can test mosquito responses to specific treatments and measure either spatial or contact repellency. A subset of these methods uses live animals or human volunteers to test the repellency of treatments. Assays can greatly vary in their affordability and accessibility for researchers and/or may require additional methods to confirm results. Here I present a critical review that covers some of the most frequently used laboratory assays from the last two decades. I discuss the experimental designs and highlight some of the strengths and weaknesses of each type of method covered.

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“…Overview: The Tube assay is a simple and low-cost technique that uses a hollow cylinder apparatus to measure mosquito behavior and location (see Figure 1A) (77)(78)(79)(80).…”

Section: Tube Assaysmentioning

confidence: 99%

Section: Tube Assaysmentioning

confidence: 99%

Section: Tube Assaysmentioning

confidence: 99%

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A critical review of current laboratory methods used to evaluate mosquito repellents

Luker

2024

Front. Insect Sci.

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Semi-field evaluations of three botanically derived repellents against the blacklegged tick,Ixodes scapularis(Acari: Ixodidae)

Lee

Wong

Coats

et al. 2022

Preprint

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Three compounds derived from botanicals sources, ethyl perillyl carbonate, geranyl isovalerate, and citronellyl cyclobutane carboxylate, were tested for repellent activity against Ixodes scapularis Say in a semi-field trial. Tick drags were treated with the compounds or with N, N-diethyl-m-toluamide (DEET) at high (0.25mg/cm2) or low (0.15mg/cm2) concentrations. Negative controls included untreated drags and drags treated with acetone, the carrier for all repellents. Freshly treated drags (within 20 minutes) were used to collect I. scapularis ticks at a county park in Wisconsin. To assess effectiveness, we measured tick encounter rates, detachment rate, and time to detachment. None of the repellent treatments resulted in significantly fewer encounters compared to both control treatments. However, the percentage of ticks that detached within 3 min was significantly higher on drags treated with repellents compared to controls. DEET was the most effective, repelling 69.7 - 87% of ticks by 3 min, but the effectiveness of the three test compounds was still high, ranging from 42% to 87% of ticks detaching by 3 min. For time to detachment, there were no significant differences between DEET and the three test compounds. We conclude that these botanically-derived repellents were effective against I. scapularis in a semi-field trial and could be viable alternatives to DEET.

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Biorational compounds as effective arthropod repellents against mosquitoes and ticks

Cited by 2 publications

References 15 publications

A critical review of current laboratory methods used to evaluate mosquito repellents

A critical review of current laboratory methods used to evaluate mosquito repellents

Semi-field evaluations of three botanically derived repellents against the blacklegged tick,Ixodes scapularis(Acari: Ixodidae)

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