Q. Which bacterium controls malaria by targeting Anopheles larvae in Eswatini?
Answer:
Bacillus thuringiensis israelensis
Notes: Bacillus thuringiensis israelensis (Bti) is widely used in Eswatini to control Anopheles mosquito larvae. Bti spores release toxins specific to mosquito larvae, causing their death. Approved by WHO, it is selective, environmentally safe, and reduces chemical insecticide use for malaria control programs worldwide.