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Christopher Weldon

  • Dr
  • Senior Lecturer
  • University of Pretoria Department of Zoology and Entomology
  • 15h-indexImpact measure calculated using publication and citation counts. Updated daily.
  • 646CitationsNumber of citations received by Christopher's publications. Updated daily.

Research interests

ecology and physiology Integrated Pest Management Sterile insect technique Tephritidaebehaviour and nutrition Insect behaviourEnvironmental physiology Interactions between aging


I am a senior lecturer in the Department of Zoology and Entomology at the University of Pretoria, South Africa. My research addresses a range of themes using dacine fruit flies (Diptera: Tephritidae), many of which are highly destructive horticultural pests that cause direct fruit damage and lead to the imposition of trade restrictions. This work informs the control of these serious pests while simultaneously addressing important fundamental biological questions. Between 2010-2012, I worked as a postdoctoral research fellow in the lab of Professor Steven Chown in the Centre for Invasion Biology at Stellenbosch University. My research at Stellenbosch University determined the thermal tolerance and desiccation resistance of invasive pest insects to establish whether tolerance of environmental extremes underlies their invasive potential, and to predict how climate change will influences their distribution. This work was performed in collaboration with Dr John Terblanche and Casper Nyamukondiwa. My earlier work, while based in Sydney, Australia, focused on identifying and removing impediments to the success of environmentally benign sterile insect technique (SIT) programs used to eradicate Queensland fruit fly outbreaks in areas of southern Australia. My PhD project determined how dispersal of Q-flies interacts with their mating system to limit establishment of outbreaks when low numbers invade new areas. My postdoctoral work at Macquarie University in the laboratory of Dr Phil Taylor focused on improving the ability of sterile flies released in SIT programs to survive and mate in the field. Despite their status as Australia’s most damaging insect pest of horticultural crops, the behaviour, ecology and physiology of Q-flies is poorly understood. My research addressed this important knowledge gap, particularly in relation to mating behaviour and microhabitat use.

Co-authors (56)

  • Francisco Díaz Fleischer
  • RAHARINIRINA  Manou Rominah
  • Angel-David Popa

Publications (5)

  • Effects of macronutrient intake on the lifespan and fecundity of the marula fruit fly, Ceratitis cosyra (Tephritidae): Extreme lifespan in a host specialist

    • Malod K
    • Archer C
    • Hunt J
    • et al.
    Get full text
  • Marking <i>Bactrocera dorsalis</i> (Diptera: Tephritidae) with Fluorescent Pigments: Effects of Pigment Colour and Concentration

    • Makumbe L
    • Manrakhan A
    • Weldon C
    Get full text
  • Distribution and diversity of the vectors of Rift Valley fever along the livestock movement routes in the northeastern and coastal regions of Kenya

    • Arum S
    • Weldon C
    • Orindi B
    • et al.
    Get full text
  • Effect of temperature on development of the blowfly, Lucilia cuprina (Wiedemann) (Diptera: Calliphoridae)

    • Kotze Z
    • Villet M
    • Weldon C
    Get full text
  • Trapping to monitor tephritid movement: results, best practice and assessment of alternatives.

    • Weldon C
    • Schutze M
    • Karsten M
    Get full text


Annals of the Entomological Society of America

Subject editor: Metabolism and General Physiology

2015 - Present

Journal of Applied Entomology

Guest editor: Biology and management of tephritid fruit flies in Europe, Africa and the Middle East

2016 - 2017(a year)

Professional experience

Senior Lecturer

Department of Zoology and Entomology, University of Pretoria

March 2012 - Present

Post-doctoral Fellow

Centre for Invasion Biology

April 2010 - February 2012(2 years)

Postdoctoral Research Fellow

Macquarie University

October 2006 - March 2010(3 years)


Bachelor of Environmental Science (Honours)

The University of Newcastle

Doctor of Philosophy

The University of Sydney