A5001679652- Mosquito-borne diseases and control
- Malaria Research and Control
- Insect Pest Control Strategies
- Insect Resistance and Genetics
- Entomopathogenic Microorganisms in Pest Control
- Viral Infections and Vectors
- Invertebrate Immune Response Mechanisms
- Insect and Arachnid Ecology and Behavior
- Allelopathy and phytotoxic interactions
- Insect Utilization and Effects
- Agricultural pest management studies
- Insect symbiosis and bacterial influences
- Essential Oils and Antimicrobial Activity
- Listeria monocytogenes in Food Safety
- Vibrio bacteria research studies
University of Pretoria
2016-2018
Tshwane University of Technology
2017
University of KwaZulu-Natal
2013
University of the Witwatersrand
2009-2011
National Institute for Communicable Diseases
2007-2009
The evolution of insecticide resistance in mosquitoes is threatening the effectiveness and sustainability malaria control programs various parts world. Through their unique mode action, entomopathogenic fungi provide promising alternatives to chemical control. However, potential interactions between fungal infection resistance, such as cross-resistance, have not been investigated. We show that insecticide-resistant Anopheles remain susceptible with fungus Beauveria bassiana. Four different...
A century of studies have described particular aspects relatively few mosquito species in southern Africa, mostly those involved with disease transmission, specifically malaria and arboviruses. Patterns community composition such as abundance diversity are often useful measures for medical entomologists to guide broader insights projections regarding dynamics potential introduction, spread or maintenance globally spreading pathogens. However, little research has addressed these indicators...
Abstract Background Insecticide resistance in malaria vector mosquitoes presents a serious problem for those involved control of this disease. South Africa experienced severe epidemic during 1999/2000 due to pyrethroid the major Anopheles funestus . Subsequent monitoring and surveillance mosquito populations were conducted as part programme. Methods A sample 269 s.l. was collected Mamfene, northern KwaZulu-Natal, using exit window traps sprayed houses between May June 2005. Mosquitoes...
A population of Anopheles arabiensis, a major malaria vector in South Africa, was collected during 2005 from inside sprayed houses Mamfene, northern KwaZulu-Natal, using window exit traps. None these specimens (n = 300 females) found to be infected with Plasmodium falciparum. Insecticide susceptibility assays on 2–3 day old F1 progeny WHO kits revealed 100% bendiocarb, resistance deltamethrin (95.91%) suspected, while permethrin (78.05%) confirmed. The knockdown resistant (kdr) genotype not...
The study was undertaken to develop an effective bio-sanitation treatment using essential oils for the highly perishable leafy vegetable lettuce. combination of thyme oil and tea tree mixed together had a significantly higher total phenolic content as well antioxidant scavenging activity than other single or mixtures. Lettuce inoculated with Escherichia coli O157:H7 showed reduced population counts in presence sanitation + applied by dipping at 0.75% 1.5% concentrations compared commercial...
<ns4:p>In this study we tested an alternative method for collecting mosquito larvae called the sweep net catch and compared its efficiency to that of traditional dip method. The two methods were in various water bodies within Kruger National Park Lapalala Wilderness area, South Africa. performed 5 times better collection <ns4:italic>Anopheles</ns4:italic> equally as well <ns4:italic>Culex</ns4:italic> (p =8.58 x 10<ns4:sup>-5</ns4:sup>). Based on 15 replicates collector’s experience level...
The Anopheles gambiae sensu lato (s.l.) and funestus s.l. species complexes contain the most important malaria vectors in Africa. Within An. group of at least 11 African species, vector status all but nominal appears poorly investigated, although evidence exists that rivulorum vaneedeni may play minor roles. A new rivulorum-like, was described from Burkina Faso 2000 subsequently also found Cameroon Zambia. This is first paper reporting presence this South Africa, thereby significantly...
Anopheles funestus is a major vector of malaria in sub-Saharan Africa. It amenable to control by indoor residual insecticide spraying and insecticide-treated bed nets owing strong endophagic endophilic tendencies (Gillies & De Meillon 1968; Sinka et al. 2010). However, the emergence resistance insecticides several populations (Hargreaves 2000; Casimiro 2006; Coetzee Morgan 2010) necessitates development tailored management strategies that could include use conjunction with biological components.