Optimizing Lure-Based Monitoring of Tephritid Fruit Flies: Insights from Trap Performance, Seasonal Trends, and Species Composition in Bangladesh

Nayma Akter; Sumita Rani  Das; Md. Towhidur Rahman; M. Aftab  Hossain; Abu Faiz Md. Aslam

doi:10.30550/j.azl/2291

Autores

Nayma Akter Department of Zoology, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh https://orcid.org/0009-0009-5506-2675
Sumita Rani Das Department of Zoology, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh https://orcid.org/0009-0005-6889-3196
Md. Towhidur Rahman Department of Zoology, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh https://orcid.org/0009-0007-4296-5213
M. Aftab Hossain Insect Biotechnology Division, Institute of Food and Radiation Biology, Bangladesh Atomic Energy Commission, Dhaka-1349, Bangladesh https://orcid.org/0009-0009-7502-502X
Abu Faiz Md. Aslam Department of Zoology, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh https://orcid.org/0000-0001-5248-3946

DOI:

https://doi.org/10.30550/j.azl/2291

Palavras-chave:

Metil eugenol, Cue-lure, Eficácia do atrativo, Monitoramento de moscas-das-frutas

Resumo

As moscas-das-frutas tefritídeas são pragas importantes de frutas e hortaliças em regiões tropicais, causando perdas econômicas significativas. O monitoramento eficaz por meio de armadilhas baseadas em atrativos masculinos, como o metil eugenol (ME) e o cue-lure (CL), é essencial para o manejo integrado de pragas. Este estudo avaliou a influência do tipo de atrativo, altura da armadilha, condição de armazenamento e dinâmica sazonal sobre as capturas de moscas-das-frutas em dois locais (AERE e Universidade de Jahangirnagar) na região de Savar, Bangladesh. Armadilhas ME e CL foram instaladas em três alturas (2, 3 e 5 pés) durante um período de um ano (agosto de 2023-julho de 2024). Um total de 36.107 machos foi registrado, representando nove espécies dos gêneros Bactrocera, Dacus e Zeugodacus. As armadilhas com ME capturaram significativamente mais machos do que as com CL (p < 0,05), confirmando forte seletividade do atrativo — B. dorsalis e B. zonata predominaram nas capturas com ME, enquanto Z. cucurbitae e Z. tau foram mais frequentes nas com CL. A altura da armadilha não influenciou significativamente as capturas, indicando que a instalação a cerca de 1-1,5 m é adequada para o monitoramento. A abundância das moscas atingiu o pico no verão (junho-julho) e diminuiu no inverno (dezembro-fevereiro), refletindo a influência climática na atividade populacional. O armazenamento a 4°C prolongou significativamente a eficácia dos atrativos. Estes resultados destacam que o tipo de atrativo, a época do ano e o armazenamento adequado são fatores-chave para o sucesso do monitoramento.

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