Population of male melon fly fluctuated throughout the year with peak population during July –
September and February – March. During the hot (May) and cold (January) months of the year, its
population was quite low. Correlation coefficient values indicated that all the weather parameters
(except sunshine hours) showed positive influence having very profound effect in the
multiplication and outbreak of the melon fly during different months of the year whereas,
sunshine hours has detrimental effect on population build up male melon fly.