Original Paper

CHEMOECOLOGY

, Volume 15, Issue 3, pp 161-166

First online:

Fatty acids mediate aggressive behavior in the spider Tegenaria atrica

  • Grégory PouriéAffiliated withLaboratoire de Physiologie du Comportement, Faculté des Sciences et Techniques, Université Henri Poincaré Email author 
  • , Fernando IbarraAffiliated withInstitut für Organische Chemie
  • , Wittko FranckeAffiliated withInstitut für Organische Chemie
  • , Marie TrabalonAffiliated withLaboratoire de Physiologie du Comportement, Faculté des Sciences et Techniques, Université Henri Poincaré

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Summary.

The aggressiveness of the house spider (Tegenaria atrica) has a chemical basis in terms of intra- and interspecific chemical communication. Vibrations are used for longer range detection of intruders on the web territory whereas cuticular lipids mediate shorter range agonistic behaviors. Two cuticular acids were shown to promote aggressive responses from adult spiders, whereas mixtures of cuticular alkanes acted as inhibition signals.

Key words.

Vibration cuticular lipids lures agonistic behavior spider