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The moment before touchdown: landing manoeuvres of the honeybee Apis mellifera

Author:
  • C. Evangelista
  • P. Kraft
  • Marie Dacke
  • J. Reinhard
  • M. V. Srinivasan
Publishing year: 2010
Language: English
Pages: 262-270
Publication/Series: Journal of Experimental Biology
Volume: 213
Issue: 2
Document type: Journal article
Publisher: The Company of Biologists Ltd

Abstract english

Although landing is a crucial part of insect flight, it has attracted relatively little study. Here, we investigate, for the first time, the final moments of a honeybee's (Apis mellifera) landing manoeuvre. Using high-speed video recordings, we analyse the behaviour of bees as they approach and land on surfaces of various orientations. The bees enter a stable hover phase, immediately prior to touchdown. We have quantified behaviour during this hover phase and examined whether it changes as the tilt of the landing surface is varied from horizontal (floor), through sloped (uphill) and vertical (wall), to inverted (ceiling). The bees hover at a remarkably constant distance from the surface, irrespective of its tilt. Body inclination increases progressively as the tilt of the surface is increased, and is accompanied by an elevation of the antennae. The tight correlation between the tilt of the surface, and the orientation of the body and the antennae, indicates that the bee's visual system is capable of inferring the tilt of the surface, and pointing the antennae toward it. Touchdown is initiated by extending the appendage closest to the surface, namely, the hind legs when landing on horizontal or sloping surfaces, and the front legs or antennae when landing on vertical surfaces. Touchdown on inverted surfaces is most likely triggered by a mechanosensory signal from the antennae. Evidently, bees use a landing strategy that is flexibly tailored to the varying topography of the terrain.

Keywords

  • Zoology
  • mechanoreception
  • vision
  • hover
  • flight
  • landing
  • honeybee
  • Apis mellifera
  • antennae

Other

Published
  • ISSN: 1477-9145
Marie Dacke
E-mail: marie [dot] dacke [at] biol [dot] lu [dot] se

Professor

Functional zoology

+46 46 222 93 36

B-B337

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