M. R. AMIN
Department of Entomology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh.
S. KHISA
Department of Entomology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh.
H. RAHMAN
Department of Entomology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh.
R. JANNAT
Department of Plant Pathology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh.
ABSTRACT
The study was conducted with a view to understanding the seasonal abundance of fruit fly in a mango based agroforestry of Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh during February to September 2017. Two species of fruit fly namely Bactrocera dorsalis and B. tryoni were found in the mango based agroforestry. Abundance of the fruit fly species were significantly higher in February to May (dry season) compared to June to September (rainy season). The daily mean temperature, relative humidity and rainfall had significant negative and light intensity had significant positive correlation with fruit fly abundance. Individually temperature, light intensity, relative humidity and rainfall contributed 29, 42.4, 2.8 and 12.5% abundance, respectively. The combined effect of the weather parameters on fruit fly abundance was 86.7% and the equations were significant.
Keywords: Seasonal abundance, fruit fly, Mangifera indica, population dynamics, weather parameters.
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