Radiation Entomology and Acarology Division, Ganakbari-1349, Savar, Dhaka 1000, Bangladesh.
M. KHANInsect Biotechnology Division, Institute of Food and Radiation Biology, Atomic Energy Research Establishment, Ganakbari-1349, Savar, Dhaka 1000, Bangladesh.
ABSTRACT
In the present study the effect of different adult diets on the longevity of sterile oriental fruit fly, Bactrocera dorsalis (Hendel) was compared under controlled laboratory condition. Adult flies were provided with protein diet + water and sugar diet as pre-release supplements for five days after adult emergence and then transferred to four post-release diet treatments viz., (i) protein diet + water, (ii) sugar diet (20% sugar solution), (iii) only water and, (iv) nill (without food and water) and their longevity was recorded until death. Experimental results revealed that flies had comparatively longer lifespan on sugar diet than protein diet when either protein or sugar used as pre-release diets. Flies died within two days while provided only water and one to two days without food irrespective of any pre- release supplements. The experimental findings were discussed in the light of possible use in Sterile Insect Technique (SIT) of B. dorsalis.
Keywords: Bactrocera dorsalis, Sterile Insect Technique, adult diet, longevity.
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