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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Prospects for the Development of Odour Baits to Control the Tsetse Flies Glossina tachinoidesand G. palpalis s.l.
PLoS Neglected Tropical Diseases, Volume 4, No. 3, Article e632, Year 2010
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Description
Field studies were done of the responses of Glossina palpalis palpalis in Côte d'Ivoire, and G. p. gambiensis and G. tachinoides in Burkina Faso, to odours from humans, cattle and pigs. Responses were measured either by baiting (1.) biconical traps or (2.) electrocuting black targets with natural host odours. The catch of G. tachinoides from traps was significantly enhanced (∼5x) by odour from cattle but not humans. In contrast, catches from electric targets showed inconsistent results. For G. p. gambiensis both human and cattle odour increased (>2x) the trap catch significantly but not the catch from electric targets. For G. p. palpalis, odours from pigs and humans increased (∼5x) the numbers of tsetse attracted to the vicinity of the odour source but had little effect on landing or trap-entry. For G. tachinoides a blend of POCA (P = 3-n-propylphenol; O= 1-octen-3-ol; C = 4-methylphenol; A = acetone) alone or synthetic cattle odour (acetone, 1-octen-3-ol, 4-methylphenol and 3-npropylphenol with carbon dioxide) consistently caught more tsetse than natural cattle odour. For G. p. gambiensis, POCA consistently increased catches from both traps and targets. For G. p. palpalis, doses of carbon dioxide similar to those produced by a host resulted in similar increases in attraction. Baiting traps with super-normal (∼500 mg/h) doses of acetone also consistently produced significant but slight (∼1.6x) increases in catches of male flies. The results suggest that odourbaited traps and insecticide-treated targets could assist the AU-Pan African Tsetse and Trypanosomiasis Eradication Campaign (PATTEC) in its current efforts to monitor and control Palpalis group tsetse in West Africa. For all three species, only ∼50% of the flies attracted to the vicinity of the trap were actually caught by it, suggesting that better traps might be developed by an analysis of the visual responses and identification of any semiochemicals involved in short-range interaction. © 2010 Rayaisse et al.
Authors & Co-Authors
Rayaissé, Jean Baptiste
Burkina Faso, Bobo-dioulasso
Centre International de Recherche-developpement Sur Lelevage en Zone Subhumide, Bobo-dioulasso
Tirados, Iñaki
United Kingdom, London
University of Greenwich
Kaba, Dramane
Cote D'ivoire, Bouake
Institut Pierre Richet Bouake
Dewhirst, Sarah Y.
United Kingdom, Harpenden
Rothamsted Research
Logan, James G.
United Kingdom, Harpenden
Rothamsted Research
Diarrassouba, Abdoulaye
Cote D'ivoire, Bouake
Institut Pierre Richet Bouake
Salou, Ernest Wendemanegde
Burkina Faso, Bobo-dioulasso
Centre International de Recherche-developpement Sur Lelevage en Zone Subhumide, Bobo-dioulasso
Omolo, Maurice O.
Kenya, Nairobi
International Centre of Insect Physiology and Ecology Nairobi
Kenya, Kakamega
Masinde Muliro University of Science and Technology
Solano, Philippe
Burkina Faso, Bobo-dioulasso
Centre International de Recherche-developpement Sur Lelevage en Zone Subhumide, Bobo-dioulasso
Lehane, Michael J.
United Kingdom, Liverpool
Liverpool School of Tropical Medicine
Pickett, John Anthony
United Kingdom, Harpenden
Rothamsted Research
Vale, Glynowr A.
United Kingdom, London
University of Greenwich
Torr, Stephen J.
United Kingdom, London
University of Greenwich
Esterhuizen, Johan
United Kingdom, Liverpool
Liverpool School of Tropical Medicine
Statistics
Citations: 79
Authors: 14
Affiliations: 7
Identifiers
Doi:
10.1371/journal.pntd.0000632
Research Areas
Environmental
Study Locations
Multi-countries
Burkina Faso
Ivory Coast
Participants Gender
Male