Abstract:
Laboratory mass production of quality insect is one of the prerequisite of the
successilil application of sterile insect technique (SIT) and insect pest management.
Attempts were made to produce quality insect Lucilia cuprina
that infest marine fish
in the offshore Islands during the process oldrying. As a part of rearing management,
adult longevity and pupal quality of the insect were evaluated for L. cuprina in
diflerent food media and at different food stress and strain on the colony. Longevity
of adult in both sexes either derived from non-irradiated and irradiated pupae was
found to be varied with the supply of foods. Longevity range was 5 days at postemergence
when no loods were supplied, the range was (S days when only water was
supplied to the colony. Then range of longevity was found to be 10 days in fish only,
19 days in water-fish. 37 days in water-sugar, 37 days in water-sugar-blood. 46 days
in wacr-sugar-fish, 49 days in water-sugar-liver respectively. Longevity of adults
was found to be similar when irradiated pupae were reared in the above food regimes.
However, in general mortality started 1-2 days early in case of irradiated pupae. The
peak mortality in the above Ihod media were at day with no food, only water day4.
only fish day-S and day-7, water-fish day-5, water-sugar day-17 to 23. But there
were no regular peak when supplied water-sugar-blood, water-sugar-fish, watersugar-liver.
Mortality trend in the sexes were similar, however, the apparently the
males had early mortality. Pupae lost about 22% of their weight during the period of
4-days from pre-pupate to pre-emerge. In an attempt to develop a cheaper larval
rearing medium, different grades poultry feeds available in the market i.e.; Imported
Poultry Feed (1FF). Marine Poultry Feed (MPF), Local Poultry Feed (LPF) were used
at different proportions, with natural food (liver) to produce quality pupae. None of
these were found to be superior to the natural Ihod medium as indicated by pupal
weight. However, IPF could be mixed up to fifty percent (1:1) with no loss in pupal
quality.
Description:
A Thesis
Submitted to the Faculty of Agriculture,
Sher-e-Bangla Agricultural University, Dhaka,
in partial fulJIllinent of the requirements for the degree of
MASTER OF SCIENCE IN ENTOMOLOGY
SEMESTER: JULY-DECEMBER, 2006
