Studies on the Behavior of Adult Fruit Fly (Bactrocera Cucurbitae Coquillett) After Emergence from Pupae

摘要

A study on the behavior of adult fruit fly after emergence from pupae under laboratory condition was undertaken al Bangabandhu Sheikh Mujibur Rahman Agricultural University Gazipur during the period from Fehruaiy to April 2000. The results revealed th at the maximum adults emerged during 5:00 am -5:30 am of the day, just before sunrise between 5:35 am -5:40 am. Maximum numbers of adults spent 2.80 8.69 min for their resting. After taking a rest, maximum adults spent 3-1 min for cleaning antennae, mout hparts. eye and gemtala. Adults completed their wing spreading within 2.25-2.75 min. The maximum number of individuals compleled closing and spreading of their wings within 2.3-2.5 mm. Upward flying behavior was also observed among most of the adults tho ugh they were in the net house.