Background: An area has two different Anopheles species, species A and species B.  Both can vector Plasmodium, although Plasmodium develops best and is transmitted best by species B. Species A is dominant because its larvae outcompete species B in the main shared breeding sites, small lakes, and ponds. Therefore the population of B is currently small. The small lakes and ponds are also the source for the main food source in the region, fish, grown in fish farms. There is grazing land, but other than chickens, the local population does not have livestock. Species A is largely endophilic, species B is exophilic. In other localities, species A and B will also feed on cattle, and B appears to prefer cattle. Both species like to roost during the hot day in rock overhangs and small caves. Develop an alternative targeted strategy that might work well in this situation. Use only strategies that have been used successfully in the field and avoid "just spray everything" strategies. Explain why your strategy should work well.

Question

Background: An area has two different Anopheles species, species A and species B.  Both can vector Plasmodium, although Plasmodium develops best and is transmitted best by species B. Species A is dominant because its larvae outcompete species B in the main shared breeding sites, small lakes, and ponds. Therefore the population of B is currently small. The small lakes and ponds are also the source for the main food source in the region, fish, grown in fish farms. There is grazing land, but other than chickens, the local population does not have livestock. Species A is largely endophilic, species B is exophilic. In other localities, species A and B will also feed on cattle, and B appears to prefer cattle. Both species like to roost during the hot day in rock overhangs and small caves.

  1. Develop an alternative targeted strategy that might work well in this situation. Use only strategies that have been used successfully in the field and avoid "just spray everything" strategies. Explain why your strategy should work well.

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