ArticleParasites & vectors2022
Insecticide resistance in malaria and arbovirus vectors in Papua New Guinea, 2017-2022.
Article in Parasites & vectors, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 18 citations in OpenAlex.
- Unite against Malaria: challenges and achievements in malaria control around the globe.Nature communications · 2026Article
- Multimodal platform for ITN efficacy: Surface chemistry, bioavailability, and mosquito behavior.Science advances · 2026Article
- Insecticidal efficacy of residual spraying with deltamethrin-clothianidin (FludoraParasites & vectors · 2026Article
- Knockdown-resistance (kdr) mutations in Indian Aedes aegypti populations: Lack of recombination among haplotypes bearing V1016G, F1534C, and F1534L kdr alleles.PLoS neglected tropical diseases · 2025Article
- Baseline assessment of front-line health system capacity in vector-borne disease surveillance and response in Papua New Guinea.PLOS global public health · 2025Article
- Human and entomological determinants of malaria transmission in the Lihir Islands of Papua New Guinea: A cross-sectional study.PLoS neglected tropical diseases · 2025Article
- Insufficient duration of insecticidal efficacy of YaheMalaria journal · 2024Article
- Diversity and distribution of sodium channel mutations in Aedes albopictus (Diptera: Culicidae).Journal of medical entomology · 2024Article
- Coating formulation change leads to inferior performance of long-lasting insecticidal nets in Papua New Guinea.Malaria journal · 2022Article
- Asia-Pacific ICEMR: Understanding Malaria Transmission to Accelerate Malaria Elimination in the Asia Pacific Region.The American journal of tropical medicine and hygiene · 2022Article
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Authors and funding
16 authors at 5 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundInsecticide resistance (IR) monitoring is essential for evidence-based control of mosquito-borne diseases. While widespread pyrethroid resistance in Anopheles and Aedes species has been described in many countries, data for Papua New Guinea (PNG) are limited. Available data indicate that the local Anopheles populations in PNG remain pyrethroid-susceptible, making regular IR monitoring even more important. In addition, Aedes aegypti pyrethroid resistance has been described in PNG. Here, Anopheles and Aedes IR monitoring data generated from across PNG between 2017 and 2022 are presented.
methodsMosquito larvae were collected in larval habitat surveys and through ovitraps. Mosquitoes were reared to adults and tested using standard WHO susceptibility bioassays. DNA from a subset of Aedes mosquitoes was sequenced to analyse the voltage-sensitive sodium channel (Vssc) region for any resistance-related mutations.
resultsApproximately 20,000 adult female mosquitoes from nine PNG provinces were tested. Anopheles punctulatus sensu lato mosquitoes were susceptible to pyrethroids but there were signs of reduced mortality in some areas. Some Anopheles populations were also resistant to DDT. Tests also showed that Aedes. aegypti in PNG are resistant to pyrethroids and DDT and that there was also likelihood of bendiocarb resistance. A range of Vssc resistance mutations were identified. Aedes albopictus were DDT resistant and were likely developing pyrethroid resistance, given a low frequency of Vssc mutations was observed.
conclusionsAedes aegypti is highly pyrethroid resistant and also shows signs of resistance against carbamates in PNG. Anopheles punctulatus s.l. and Ae. albopictus populations exhibit low levels of resistance against pyrethroids and DDT in some areas. Pyrethroid-only bed nets are currently the only programmatic vector control tool used in PNG. It is important to continue to monitor IR in PNG and develop proactive insecticide resistance management strategies in primary disease vectors to retain pyrethroid susceptibility especially in the malaria vectors for as long as possible.
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