INTEGRATED MANAGEMENT OF WAX MOTH (Galleria mellonella L.)
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Date
2012-07-10
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University of Agricultural Sciences GKVK, Bangalore
Abstract
The greater wax moth (GWM) Galleria mellonella (L.) (Lepidoptera:
Pyralidae) is a serious pest of Apis cerana. In the present study different
binary blends of undecanal and nonanal in the per cent ratio of 95:5,
90:10, 85:15, 80:20, 60:40, 50:50, 30:70, 20:80 and10: 90 elicited
response in female GWM, showed that one to four moths among
30moths exhibited behavioural patterns such as stationary fanning,
ambulation, ambulatory fanning, hovering, searching and circling. The
30:70 blend elicited maximum response in female moths. The
behavioural bioassay revealed that the moths of 3 to 5 days old showed
maximum responses to the best binary blend of undecanal and nonanal
(3:7) at 7pm to 9pm with more than 60 per cent moths exhibiting
pheromone specific behavioural patterns. The funnel trap with best blend
of undecanal and nonanal at 3:7 ratio was used for attracting female
GWM. However, the trap was failed to attract any moths.Eight different
treatments evaluated for different larval instars of GWM viz.,
refrigeration, Bt Kurstaki (Halt) and pongamia oil gave maximum number
of larval mortality and comb protection. In case of Bt local strain 1&2,
neem oil and NSKE gave intermediate comb protection and larval
mortality. Dried neem leaf gave minimum comb protection and larval
mortality. Under natural condition all the products gave maximum
protection against GWM. By using normal queen gate moths could able
to enter the hive but in modified queen gate moths have difficulty to
enter the hive.
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