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Electrophysiology and Behaviour in Banana Pseudostem Weevil Odoiporus longicollis Olivier to Conspecific Chemical Cues

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Title Electrophysiology and Behaviour in Banana Pseudostem Weevil Odoiporus longicollis Olivier to Conspecific Chemical Cues
Not Available
 
Creator A. T. Rani
K. R. M. Bhanu
Vasudev Kammar
A. K. Chakravarthy
 
Subject Electrophysiology
Banana Pseudostem Weevil
Odoiporus longicollis Olivier
Conspecific Chemical Cues
 
Description Not Available
An understanding of the role of semiochemicals in insect biology can be used for developing IPM tools. The
olfactory and behavioural responses of banana pseudostem weevils (BPW) Odoiporus longicollis Olivier
to semiochemicals isolated from conspecific insects were investigated by electroantennography (EAG)
and Y-tube olfactometer bioassays. Volatiles were collected from male and female weevils, separately
and together from both sexes by air entrainment. Dichloromethane extracts of male and female weevils
were used as stimuli in electrophysiological study. The observations revealed that the antennae of both
male and female produced significant EAG responses (1.378±0.350 mV and 1.704±0.246, respectively) to
male volatile compared to other stimuli tested. In two-choice experiments, more males (p=0.001, χ2=11.84)
and females (p= 0.033, χ2=4.57) were attracted to male volatiles. Significant responses of both sexes to
headspace volatiles from male extracts during EAG and olfactometer experiments revealed that specific
volatile compounds emitted by male played a significant role in aggregation. These results might enable
identification of male specific pheromone components, which can enhance effectiveness of pheromone
trapping for O. longicollis.
Not Available
 
Date 2020-09-10T09:17:40Z
2020-09-10T09:17:40Z
2020-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/41143
 
Language English
 
Relation Not Available;
 
Publisher Indian Journal of Entomology