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Improving lives by solving problems in agriculture and the environment
Staff image of Sean T  Murphy

Sean T Murphy Regional Director

T: +44 (0)1491 829071


CABI, Bakeham Lane, Egham, Surrey, TW209TY, United Kingdom

My expertise lies in invasive insect and weed biocontrol and integrated pest management (IPM). I work on biological control and IPM programmes (pre and post harvest) on a range of crops in tropcial areas. Crops include vegetables, rice and other cereals, cassava, coffee and agroforestry/forestry trees.

My role also involves research and extension work and farmer training. I undertake international project development and management, I manage a research team and I have over 20 years experience developing and implementing projects in biological control, IPM and applied ecology in numerous countries.

I have extensive experience in project development, management and implementation including international co-ordination and management of project funds (large scale projects) and extensive international experience in research, consultancy and training.

My research experience includes work on pre and post harvest insects and weeds. I have produced expert documents for international conventions and invited experts on international convention working groups (IPCC and CBD). I have also previously designed training documents for extension workers and farmers.

Project image: Controlling Japanese knotweed in Great Britain

Rescuing and restoring the native flora of Robinson Crusoe Island

Robinson Crusoe Island, part of the Juan Fernández Archipelago in Chile, is under threat from invasive species. So action needs to be taken. As part of a larger management programme for the whole Archipelago, a team from CABI will help conserve and re-establish native species on the island. In the long term...
  1. MURPHY, S.T. (2004) Principles, protocols and facilities for the introduction of biological control agents: a global perspective. In: Ramani, S, Bhumannavar, B.S., Rabindra, R.J. (Eds.) Quarantine Procedures and Facilities for Biological Control Agents. ICAR, India. pp1-5
  2. MURPHY, S.T. (2003) Overview of opportunities and options for addressing IAS: a toolkit of best prevention and management practices. Proceedings of a workshop on ‘Forging Cooperation throughout Southern Africa’, 10-12 June, 2002, Lusaka, Zambia. GISP, Cape Town. pp 51-55
  3. HAYSOM, K., MURPHY, S.T. (2003) The Status of Invasiveness of Forest Tree Species Outside their Natural Habitat: A Global Review and Discussion Paper. FAO, Rome. 75 pp
  4. BAKER,P.S., JACKSON, J.A.F., MURPHY, S.T. (2002). Natural Enemies, Natural allies - how scientists and coffee farmers forged new partnerships in the war against pests and low prices. The Commodities Press (a joint CABI-Cenicafé enterprise), 1-130
  5. SANKARAN, K. V.; MURPHY, S. T.; EVANS, H. C. (2001) Alien Weeds in Moist Tropical Zones: Banes and Benefits. Proceedings of the Workshop held at Kerala Forest Research Institute, Peechi, India, 2 – 4 November 1999. KFRI and CABI Bioscience, UK. 172 pp
  6. NEVILLE, L.; MURPHY, S. T. (2001) Invasive Alien Species: Forging co-operation to address a borderless issue. Intercol Newsletter Spring/Summer, 3-7
  7. SINGH, S. P.; MURPHY, S. T.; BALLAL, C. R. (2001) Augmentative Biological Control. Proceedings of the ICAR – CABI Workshop (June 29th to July 1st)CABI Bioscience, UK and Project Directorate of Biological Control (ICAR)India, 250pp
  8. MURPHY, S.T. Alien weeds in moist tropical zones of India: population characteristics, ecology and implications for impact and management. In: Sankaran, K.V.; Murphy, S.T.; Evans, H.C. (2001) Alien Weeds in Moist Tropical Zones: Banes and Benefits. Proceedings of the Workshop held at Kerala Forest Research Institute, Peechi, India, 2 – 4 November 1999. KFRI and CABI Bioscience, UK. 172 pp
  9. MURPHY, S.T. & LITTLE, A.J. (1999). Using natural enemies of the cotton aphid, Aphis gosspii: Costs and benefits in cotton crops. CABI Bioscience distributed report for Global IPM Facility
  10. MURPHY, S.T.; LaSalle, J. (1999). Balancing biological control strategies in the IPM of New World invasive Liriomyza leafminers in field vegetables crops. Biocontrol News and Information 20, 91-104
  11. MURPHY, S.T.; BRISCOE, B. (1999). The red palm weevil as an alien invasive: biology and the prospects for biological control as a component of IPM. Biocontrol, News and Information 30, 35-46
  12. WATSON, G.W.; VOEGTLIN, D.J.; MURPHY, S.T.; FOOTTIT, R.G. (1999). Biogeography of the Cinara cupressi complex (Hemiptera: Aphididae) on Cupressaceae, with description of a pest species introduced into Africa. Bulletin of Entomological Research 89, 271-283
  13. KAIRO, M.T.K.; MURPHY, S.T. (1999). Temperature and plant nutrient effects on the development, survival and reproduction of Cinara sp. nov., an invasive pest of cypress trees in Africa. Entomologia Experimentalis et Applicata 92, 147-156
  14. KAIRO, M.T.K.; MURPHY, S.T. (1999). Host age choice for oviposition in Pauesia juniperorum (Hymenoptera: Braconidae: Aphidiinae) and its effect on the parasitoids’ biology and host population growth. Biocontrol Science and Technology 9, 475-48
  15. WAINHOUSE, D.; MURPHY, S.T.; GREIG, B..; WEBBER, J.; VIELLE, M. (1998) The role of the bark beetle Cryphalus trypanus in the transmission of the vascular with pathogen of takamaka (Calophyllmn inophyllum) in the Seychelles. Forest Ecology and Management, 108, 193-199
  16. MURPHY, S.T. (1997) Coffee coccid pests In: Soft Scale Insects, their Biology, Natural Enemies and Control. (Ed.: Ben-Dov, Y.). Elsevier Science Publishers, Chapter 3.3.14
  17. MURPHY, S.T. (1997) Protecting Africa’s trees: status and actions for pest management in African Forestry. In: Proceedings of XI World Forestry Congress, 13-22 October 1997, Antalya, Turkey. Vol. A, pp 167-172
  18. MURPHY, S.T.: VÖLKL, W. (1996) Population dynamics and foraging behaviour of Diaeretus leucopterus Haliday (Hymenoptera; Braconidae), and its potential for the biological control of pine damaging Eulachnus spp. (Homoptera; Aphididae). Bulletin of Entomological Research 86, 397-405
  19. KAIRO, M.T.K. & MURPHY, S.T. (1995). The life history of Rodolia iceryae Jason (Col., Coccinellidae) and the potential for use in innoculative releases against Icerya pattersoni Newstead (Hom., Margarodidae) on coffee. J. Appl. Ent. 119, 487-491
  20. KAIRO, M.T.K., MURPHY, S.T. (1992). An analysis of insecticide use in Kenya Coffee IPM and outbreaks of Icerya Pattersoni. Brighton Crop Protection Conference - Pest and Diseases, 1027-1032
  21. MURPHY, S.T. (1991). Insect Natural Enemies of Coffee Green Scales (Hemiptera: Coccodae) in Kenya and their potential of biological control of Coccus Celatus and C. Viridis in Papau New Guinea. Entomophaga 36 (4), 519-519
  22. MURPHY, S.T. & MOORE, D. (1990). Biological control of the coffee berry borer, Hypothenemus hampei (ferrari) (Coleoptera Scolytidae): previous programmes and possibilities for the future. Biocntrol News and Information 11 (2), 107-117