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Anopheles barbirostris in Indonesia: A more complex metapopulation than expected
Tri Baskoro Tunggul Satoto1, Triwibowo Ambar Garjito2, Shinta Shinta2
1Department of Parasitology, Faculty of Medicine, Public Health and Nursing, Gadjah Mada University, Yogyakarta, Indonesia.
Plos One
|November 10, 2025
Summary
The Anopheles barbirostris complex in Indonesia is more diverse than previously known, with nine distinct populations identified. This genetic diversity is crucial for controlling malaria and lymphatic filariasis vectors.
Area of Science:
- Entomology
- Molecular Biology
- Public Health
Background:
- The Anopheles barbirostris complex is a group of mosquito species in South and Southeast Asia.
- This complex includes eight known species and is a vector for diseases like malaria and lymphatic filariasis.
Purpose of the Study:
- To investigate the phylogenetic relationships and population structure of Anopheles barbirostris sensu lato (s.l.) in Indonesia.
- To identify novel populations and understand the genetic diversity within the complex.
Main Methods:
- Molecular markers, specifically ITS2 and COI genes, were used for phylogenetic analysis.
- Populations from various Indonesian locations were sampled and analyzed.
Main Results:
- Nine distinct Anopheles barbirostris populations were identified in Indonesia.
- The study reports the first occurrence of Anopheles wejchoochotei in North Sulawesi.
- A unique Barbirostris population was discovered in Magelang, Central Java, indicating a more complex metapopulation structure.
Conclusions:
- The Anopheles barbirostris complex in Indonesia exhibits greater genetic diversity and a more intricate population structure than previously understood.
- These findings are vital for developing effective vector control strategies against malaria and lymphatic filariasis.
