The orientation of walking honeybees in odour fields with small concentration gradients
作者:
ERNST KRAMER,
期刊:
Physiological Entomology
(WILEY Available online 1976)
卷期:
Volume 1,
issue 1
页码: 27-37
ISSN:0307-6962
年代: 1976
DOI:10.1111/j.1365-3032.1976.tb00883.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
AbstractThe behaviour of walking honeybees in small gradient odour fields was investigated by means of a simulation technique. The bee was kept in one place by a locomotion compensator (‘running sphere’). This compensator allowed for a precise reconstruction of the bee's actual locomotion on the sphere, and presented the bee with a stimulating odour whose concentration was controlled by feedback from the reconstructed locomotion. This rendered possible the application of well‐defined odour fields and revealed that: (1) honeybees are capable of finding odour sources in the absence of optical cues and with concentration gradients too small to allow tropotactic or klinotactic orientation; (2) bees are capable of memorizing odour concentrations with a high degree of accuracy; (3) this orientation system is based on a switching over from negative to positive anemotaxis at a ‘reference’ concentration; (4) this reference is a function of the odour concentration at which a sugar reward is given. The results do not support any hypothesis for an orientation system based on the detection and comparison of successive values of odour concentration. A hypothesis on the nature of the ‘reference value’ is discussed and supported b
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