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Tsetse flies and their control

D J Rogers1, G Hendrickx, J H Slingenbergh

  • 1Department of Zoology, University of Oxford, United Kingdom.

Revue Scientifique Et Technique (International Office of Epizootics)
|December 1, 1994
PubMed
Summary

Quantitative models reveal tsetse fly (Glossina spp.) biology crucial for African trypanosomiasis transmission. This study maps tsetse distribution in Togo using environmental data, aiding future control strategies.

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Area of Science:

  • Veterinary Entomology
  • Epidemiology
  • Quantitative Ecology

Background:

  • Tsetse flies (Glossina spp.) are vectors for African trypanosomiases, impacting human and animal health.
  • Understanding tsetse fly biology and distribution is critical for disease control.
  • Spatial and temporal variations in tsetse populations influence disease transmission dynamics.

Purpose of the Study:

  • To explore tsetse fly biology using a quantitative modeling framework.
  • To contribute to a quantified understanding of African trypanosomiasis epidemiology and epizootiology.
  • To identify knowledge gaps for future research on tsetse and trypanosomiasis.

Main Methods:

  • Utilized quantitative modeling to analyze tsetse fly biology relevant to disease transmission.
  • Employed grid-based sampling surveys in Togo for tsetse, cattle, and trypanosomiasis data.
  • Integrated ground-based meteorological and satellite remote sensing data within linear discriminant analysis models.

Main Results:

  • Accurately described the distribution of five tsetse species in Togo (72%-98% accuracy).
  • Modeled abundance classes for widespread species G. palpalis and G. tachinoides (47%-83% accuracy).
  • Demonstrated the potential for predicting tsetse occurrence and abundance in unsampled areas.

Conclusions:

  • Quantitative models integrating environmental data effectively describe tsetse fly distribution and abundance.
  • These models can inform targeted tsetse control campaigns and development planning.
  • A shift towards devolved tsetse control responsibilities is noted, with continued crucial roles for central governments.

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