13 Communication

13 Communication - INSECT COMMUNICATION TFTD: Communication...

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INSECT COMMUNICATION
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TFTD: Communication Communication . Noun. Etymology, Latin communicationem. 1 : A process by which information is exchanged between individuals through a common system of symbols, signs, or behavior.
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Ethology – the study of animal behavior For experimental purposes, ethologists often define communication as: o An action or condition on the part of one organism that alters the behavior of another organism in an adaptive way
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Why do insects communicate? To communicate to others of their presence o Same species (intraspecific) Mating/sharing resources/Regulating spatial distribution (territory) o Different species (interspecific) Defense/mimicry
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Communication Modes Long Range vs. Short Range Visual Sound Chemicals
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Visual Communication Advantages: Effective over long distances o Can be used while moving o Fast -- speed of light o Effective in all directions (independent of wind) o Passive signals require no expenditure of energy
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Visual Communication Disadvantages: o Requires a clear line of sight o Visual signals may be intercepted by predators o Only effective in daylight (in fireflies, only at night) o Active signals may be metabolically "expensive" to produce
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13 Communication - INSECT COMMUNICATION TFTD: Communication...

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