Dr Rosali Moffat



Postdoctoral Fellow

Department

Biochemistry, Genetics and Microbiology
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Research Profiles

I am passionate about insects, plants and conserving the environment. I completed my masters and PhD at the Centre for Biological Control, Rhodes University. I worked on the biological control of an invasive aquatic weed in South Africa. Thereafter, I was a post-doctoral fellow at the Centre for Biological Control, focussing on the implementation of water hyacinth biological control in the Gauteng and North West provinces. Environmental issues involve parties from all spheres, so one of my aims was to strengthen the socio-ecological resilience of invaded water bodies. 

Having a good understanding of our natural world and implementing those principles will result into safer more sustainable pest management practices. 

Currently I am a postdoctoral fellow at FABI working on the biological control of macadamia felted coccid, an invasive pest on macadamia trees in South Africa. 

  • Publications in peer-reviewed/refereed journals

 

Moffat R., Weaver K., Ngxande-Koza S., Sebola K., English K., Kinsler D., Coetzee J.A. 2024. Bridging boundaries: Six years of community engagement with biological control implementation and monitoring of water hyacinth on Hartbeespoort Dam, South Africa. Biological Control. 194. https://doi.org/10.1016/j.biocontrol.2024.105544

 

Moffat R., van Noort S., Coetzee J.A., Hill M.P. 2024. Biotic resistance towards Hydrellia egeriae, a biological control agent for the aquatic weed Egeria densa, in South Africa. African Entomology. 32. https://doi.org/10.17159/2254-8854/2024/a15718

 

Smith R., Coetzee J.A. & Hill M.P. 2022. Best of both worlds: The thermal physiology of Hydreelia egeriae, a biological control agent for the submerged aquatic weed, Egeria densa in South Africa. Biological control. 67: 365-374. https://doi.org/10.1007/s10526-022-10142-w

 

van Noort S., Smith R. & Coetzee J.A. 2021. Identity of parasitoid wasps (Hymenoptera, Braconidae and Eulophidae) reared from aquatic leaf-mining flies (Diptera, Ephydridae) on invasive Brazilian waterweed Egeria densa in South Africa. African Invertebrates. 62(1): 287–314. https://doi.org/10.3897/AfrInvertebr.62.62842

 

Coetzee J.A., Bownes A., Martin G.D., Miller B.E., Smith R., Weyl P.S.R. & Hill M.P. 2021. A review of the biological control programmes against aquatic weeds in South Africa. African Entomology 29(3): 935-964. https://doi.org/10.4001/003.029.0935

 

Smith R., Mangan R. & Coetzee J.A. 2019. Risk assessment to interpret the physiological host range of Hydrellia egeriae, a biological control agent for Egeria densa. Biological control. 64:447–456. https://doi.org/10.1007/s10526-019-09942-

 

Hussner A., Smith R., Mettler-Altmann T., Hill M.P., Coetzee J.A. 2019. Simulated global increases in atmospheric CO2 alter the tissue composition, but not the growth of some submerged aquatic plant bicarbonate users growing in DIC rich waters. Aquatic Botany. 153: 44–50. https://doi.org/10.1016/j.aquabot.2018.11.009

  • Books and/or chapters in books

 

Hill M.P., Coetzee J.A., Martin G.D., Smith R. & Strange E.F. 2020. Invasive alien aquatic plants in South African freshwater ecosystems. In B. W. Wilgen, J. Measey, D. M. Richardson, J. R. Wilson, & A. Tsungai (Eds.), Zengeya. Biological invasions in South Africa. pp. 97–114. Springer.

 

  • Published full-length conference papers.

 

Moffat R., Hurley B. & Fourie G. 2023, 18-21 September. Towards biological control of macadamia felted coccid in South Africa. 9th International Macadamia Symposium, KwaZulu-Natal, South Africa.

 

Moffat R., Hurley B. & Fourie G. 2023, 11-14 July. Development time and reproduction rate of the invasive macadamia felted coccid, Acanthococcus ironsidei Williams (Hemiptera: Eriococcidae). 23rd Congress of the Entomological Society of Southern Africa, Stellenbosch, South Africa.

 

Moffat R., Coetzee J.A. & Hill M.P. 2023, 7-12 May. Egeria densa (Hydrocharitaceae): The first submerged aquatic weed targeted for biological control in South Africa. 16th International Symposium on the Biological Control of Weeds. Puerto Iguazú, Misiones, Argentina.

 

Smith R., Coetzee J.A. & Hill M.P. 2021, 22 – 27 June. Finding middle ground – measuring aquatic macrophyte community response to Egeria densa biological control in South Africa. ASLO 2021 Aquatic Sciences Meeting. Virtual Online meeting.

 

Smith R., Coetzee J.A. & Hill M.P. 2021, 28 June – 1 July. Best of both worlds: The thermal physiology of Hydrellia egeriae, a biological control agent for Brazilian waterweed. 22nd Biennial Congress of the Entomological Society of Southern Africa (ESSA). Hybrid: Virtual Online & Forever resort, Tshipise, Limpopo.

 

Smith R., Coetzee J.A. & Hill M.P. 2021, 5 – 7 May. The status of the submerged aquatic weed Egeria densa in South. National Symposium on Biological Invasions. Virtual Online meeting.

 

Smith R., Hussner A., & Coetzee J.A. 2018, 18-23 February. The biological control of Egeria densa Planchon (Hydrocharitaceae) in South Africa and the effect of climate change on the success of the programme. 15th International Symposium of Aquatic Plants, Queenstown, New Zealand.

 

Smith R., Coetzee J.A. & Hill M.P. 2018, 25 – 30 November. Hydrellia Robineau-Desvoidy (Ephydridae) – the good, the bad and the unknown. 9th International Congress of Dipterology, Windhoek, Namibia.


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Publication
Moffat R, Hurley BP, Fourie G. (2023) Biology of the invasive macadamia felted coccid, Acanthococcus ironsidei Williams (Hemiptera: Eriococcidae) and potential native enemies as biological control agents. SAMAC Journal :82-83.