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1-11 of 11
Keywords: Cataglyphis fortis
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Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2011) 214 (17): 2845–2853.
Published: 1 September 2011
...Cornelia Bühlmann; Ken Cheng; Rüdiger Wehner SUMMARY Two species of desert ants – the North African Cataglyphis fortis and the central Australian Melophorus bagoti – differ markedly in the visual complexity of their natural habitats: featureless salt pans and cluttered, steppe-like terrain...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2006) 209 (17): 3336–3344.
Published: 1 September 2006
...Tobias Seidl; Rüdiger Wehner SUMMARY Place defining landmarks that have been studied intensively in insect navigation are large, voluminous objects visible to the insect from quite some distance. Here, we show that in desert ants, Cataglyphis fortis ,local variations in ground properties can also...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2006) 209 (1): 26–31.
Published: 1 January 2006
...-mail: [email protected] ) 9 11 2005 © The Company of Biologists Limited 2006 2006 path integration orientation Cataglyphis fortis Desert ants (genus Cataglyphis ) use path integration as their predominant means of navigation. Employing a skylight compass and some kind...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2005) 208 (22): 4223–4230.
Published: 15 November 2005
...Harald Wolf; Rüdiger Wehner SUMMARY During foraging trips, desert ants Cataglyphis fortis do not rely only on their well-studied path integration system, they also use olfactory cues when approaching a familiar food source. When a wind is blowing from a constant direction, as is characteristic...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2005) 208 (21): 4005–4011.
Published: 1 November 2005
.... From the angles of the ants' return path on the test field one can infer which property of the hill segment was fed into the ants'path integration module, the actual walking distance or the ground distance. The results show clearly that it is the ground distance that Cataglyphis fortis feeds into its...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2005) 208 (17): 3349–3366.
Published: 1 September 2005
...R. J. Vickerstaff; E. A. Di Paolo SUMMARY We use a genetic algorithm to evolve neural models of path integration,with particular emphasis on reproducing the homing behaviour of Cataglyphis fortis ants. This is done within the context of a complete model system, including an explicit representation...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2003) 206 (5): 877–882.
Published: 1 March 2003
... ). Kompassorientierung. Ergebn. Biol. 26 , 158 -181. Müller, M. ( 1989 ). Mechanismus der Wegintegration bei Cataglyphis fortis (Hymenoptera, Insecta) . PhD thesis, University of Zurich. Müller, M. and Wehner, R. ( 1988 ). Path integration in desert ants, Cataglyphis fortis. Proc. Natl. Acad. Sci. USA...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2002) 205 (14): 1971–1978.
Published: 15 July 2002
... visual navigation landmark guidance celestial reference system learning insect ant Cataglyphis fortis We thank Franz-Xavier Dillier and Kirstin Kopp for assistance in the field. This project was financed by grants from the Swedish Natural Science Research Council and the Swedish...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2001) 204 (9): 1635–1639.
Published: 1 May 2001
...T. S. Collett; M. Collett; R. Wehner ABSTRACT Desert ants ( Cataglyphis fortis ) were trained to follow a fixed route around a barrier to a feeder. Their homeward trajectories were recorded on a test field containing a similar barrier, oriented either as in training or rotated through 22 or 45...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2000) 203 (7): 1113–1121.
Published: 1 April 2000
...B. Ronacher; K. Gallizzi; S. Wohlgemuth; R. Wehner ABSTRACT The present account answers the question of whether desert ants ( Cataglyphis fortis ) gauge the distance they have travelled by using self-induced lateral optic-flow parameters, as has been described for bees. The ants were trained to run...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2000) 203 (5): 857–868.
Published: 1 March 2000
...Harald Wolf; Rüdiger Wehner ABSTRACT Desert ants, Cataglyphis fortis , search for a repeatedly visited food source by employing a combined olfactory and anemotactic orientation strategy (in addition to their visually based path-integration scheme). This behaviour was investigated by video-tracking...