light and magnetic compass of the weaver ant, Oecophylla smaragdina (Hymenoptera: Formicidae)

light and magnetic compass of the weaver ant, Oecophylla smaragdina (Hymenoptera: Formicidae)

Some of the foraging of the arboreal Australian weaver ant Oecophylla smaragdina takes place on the ground. Odor trails and compass orientation are used to return to the trunk of their nesting tree. Field experiments established directional responses to light and the natural magnetic field. The prec...

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Veröffentlicht in:Ethology 1998-09, Vol.104 (9), p.743-758
Hauptverfasser: Jander, R, Jander, U
Format: Artikel
Sprache:eng
Schlagworte:
Animal ethology
Biological and medical sciences
foraging
Formicidae
Fundamental and applied biological sciences. Psychology
light
magnetic fields
Oecophylla smaragdina
orientation
Protozoa. Invertebrata
Psychology. Psychoanalysis. Psychiatry
sun
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Beschreibung
Zusammenfassung:Some of the foraging of the arboreal Australian weaver ant Oecophylla smaragdina takes place on the ground. Odor trails and compass orientation are used to return to the trunk of their nesting tree. Field experiments established directional responses to light and the natural magnetic field. The precision of the light compass orientation is much greater than that of the magnetic compass orientation: the respective average wrapped‐around standard deviations (WSD) of directional choices towards home are WSD = ± 48° and WSD = ± 105°.
ISSN:0179-1613
1439-0310
DOI:10.1111/j.1439-0310.1998.tb00108.x