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Corpus Systématique Animale

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Quantitative composition of the defensive secretion of Bledius species (Coleoptera: Staphylinidae: Oxytelinae) is adapted to naturally occurring predators

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Springer (journals)
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Mots-clés d'auteur
  • chemical defense
  • predator-prey interaction
  • synergism
  • Coleoptera
  • Staphylinidae
  • Oxytelinae
  • Bledius
  • Carabidae
  • Dyschirius
  • Pogonus
  • Dichirotrichus
  • Formicinae
  • Cataglyphis
  • Dermaptera
  • Labidura
Nom du fichier dans la ressource
  • Johannes L. M. Steidle 1
  • Konrad Dettner 1
  • 1) Lehrstuhl für Tierökologie II, Universität Bayreuth, Postfach 10 12 61, D-95440, Bayreuth, Germany

The adaptation of defensive secretions to their target organisms was examined for the abdominal gland secretions ofBledius furcatus, B. spectabilis andB. arenarius. Therefore the target organisms of the secretion of theseBledius species (i.e. their predators) had to be identified. At the collection sites examined these were the earwigLabidura riparia, the antCataglyphis bicolor, the flyLispe candicans, different carabids of the generaPogonus, Dichirotrichus, Dyschirius, Bembidion andCalathus and the wading birdsHaematopus ostralegus andCalidris alba. The secretion of the abdominal glands contains the toxin ptoluquinone dissolved in either?-dodecalactone and 1-undecene (B. furcatus andB. spectabilis) or in octanoic acid and octyloctanoate (B. arenarius). The ratio of these solvents is species-specific. Application experiments using some of the natural insect predators (L. riparia, C. bicolor, Pogonus, Di. gustavii, Dyschirius) revealed that these solvent ratios provided a more effective deterrent than other possible ratios. Thus by combining the solvents in certain ratios, the capability of cuticular penetration and therefore the effectiveness of the defensive secretions are adapted to their natural targets.

Catégories Science-Metrix
  • 1 - natural sciences
  • 2 - biology
  • 3 - entomology
Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
  • 4 - genetique des eucaryotes. evolution biologique et moleculaire
Catégories Scopus
  • 1 - Life Sciences ; 2 - Biochemistry, Genetics and Molecular Biology ; 3 - Biochemistry
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Ecology, Evolution, Behavior and Systematics
Catégories WoS
  • 1 - science ; 2 - ecology
  • 1 - science ; 2 - biochemistry & molecular biology
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