Repellent activity of DEET, Icaridin, Permethrin, lemon eucalyptus oil (Corymbia citriodora), and tea tree oil (Melaleuca alternifolia) against Ornithodoros turicata nymphs

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dc.contributor.advisorCastro-Arellano, Ivan
dc.contributor.authorBowlsby, Michaela B.
dc.contributor.committeeMemberSchwartz, Benjamin
dc.contributor.committeeMemberLi, Andrew
dc.date.accessioned2022-08-01T22:33:18Z
dc.date.available2022-08-01T22:33:18Z
dc.date.issued2020-08
dc.description.abstractTick-borne diseases are among the fastest-growing infectious diseases in correlation with increased interactions with humans, wildlife, and livestock. Although tick-borne diseases have wide-ranging importance for public health and food production, most of the research efforts have been on Ixodid ticks, whereas Argasid ticks have received much less attention. Therefore, there is little knowledge about the efficacy of common deterrents that would prevent bites from these species. Three commercial deterrents (DEET, Icaridin, and Permethrin) and two essential oils (tea tree and lemon eucalyptus) were evaluated for repellency against nymphs of Ornithodoros turicata, an Argasid tick that is a vector for Tick-Borne Relapsing Fever, and a putative vector of African Swine Fever. Repellency was assessed using a petri-dish bioassay on nymphal ticks collected from caves in the Purgatory Green Space of San Marcos, Texas. Lemon Eucalyptus Oil and Tea Tree Oil performed well, being able to deter 90% of ticks at 20% concentration. DEET effectively repelled 50% of ticks consistently, even at low concentrations. Icaridin only repelled 50% of ticks at the highest concentration. Permethrin showed very low repellency at all concentrations.
dc.description.departmentBiology
dc.formatText
dc.format.extent44 pages
dc.format.medium1 file (.pdf)
dc.identifier.citationBowlsby, M. B. (2020). <i>Repellent activity of DEET, Icaridin, Permethrin, lemon eucalyptus oil (Corymbia citriodora), and tea tree oil (Melaleuca alternifolia) against Ornithodoros turicata nymphs</i> (Unpublished thesis). Texas State University, San Marcos, Texas.
dc.identifier.urihttps://hdl.handle.net/10877/16020
dc.language.isoen
dc.subjectTick-borne relapsing fever
dc.subjectOrnithodoros turicata
dc.subjectRepellent
dc.subjectBioassay
dc.subjectAfrican Swine Fever Virus
dc.titleRepellent activity of DEET, Icaridin, Permethrin, lemon eucalyptus oil (Corymbia citriodora), and tea tree oil (Melaleuca alternifolia) against Ornithodoros turicata nymphs
dc.typeThesis
thesis.degree.departmentBiology
thesis.degree.disciplineBiology
thesis.degree.grantorTexas State University
thesis.degree.levelMasters
thesis.degree.nameMaster of Science

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