Effects of gaster extract trail concentration on the trail following behaviour of the Argentine ant, Iridomyrmex humilis (Mayr)

S. E. Van Vorhis Key, L. K. Gaston, Thomas Charles Baker

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

In the Argentine ant, optimum trail following to gaster extracts was displayed to 0.1 and 1.0 equivalents/50 cm of circular trail. Trail following to airborne components was demonstrated when ants exhibited normal trail following behaviour while walking 3 or 6 mm below a 0.1 ant equivalent trail. However, at 8 or 12 mm separation, following ceased, indicating that the height of the active space was ca. 6-8 mm. The average horizontal distance from the centre of the trail at which ants exhibited following behaviour increased with concentration to 3-4 mm beyond the applied trail boundaries, indicating both an ability to follow airborne chemicals, and possibly a non-tolerance of excessively high concentration. Activity of 0.1 ant equivalent trails on filter paper declined to about half the original level by four hours; after eight hours, responses were significantly different from, but almost as low as, solvent controls.

Original languageEnglish (US)
JournalJournal of Insect Physiology
Volume27
Issue number6
DOIs
StatePublished - Jan 1 1981

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Linepithema humile
Ants
Formicidae
extracts
Aptitude
walking
Walking

All Science Journal Classification (ASJC) codes

  • Physiology
  • Insect Science

Cite this

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abstract = "In the Argentine ant, optimum trail following to gaster extracts was displayed to 0.1 and 1.0 equivalents/50 cm of circular trail. Trail following to airborne components was demonstrated when ants exhibited normal trail following behaviour while walking 3 or 6 mm below a 0.1 ant equivalent trail. However, at 8 or 12 mm separation, following ceased, indicating that the height of the active space was ca. 6-8 mm. The average horizontal distance from the centre of the trail at which ants exhibited following behaviour increased with concentration to 3-4 mm beyond the applied trail boundaries, indicating both an ability to follow airborne chemicals, and possibly a non-tolerance of excessively high concentration. Activity of 0.1 ant equivalent trails on filter paper declined to about half the original level by four hours; after eight hours, responses were significantly different from, but almost as low as, solvent controls.",
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Effects of gaster extract trail concentration on the trail following behaviour of the Argentine ant, Iridomyrmex humilis (Mayr). / Van Vorhis Key, S. E.; Gaston, L. K.; Baker, Thomas Charles.

In: Journal of Insect Physiology, Vol. 27, No. 6, 01.01.1981.

Research output: Contribution to journalArticle

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AB - In the Argentine ant, optimum trail following to gaster extracts was displayed to 0.1 and 1.0 equivalents/50 cm of circular trail. Trail following to airborne components was demonstrated when ants exhibited normal trail following behaviour while walking 3 or 6 mm below a 0.1 ant equivalent trail. However, at 8 or 12 mm separation, following ceased, indicating that the height of the active space was ca. 6-8 mm. The average horizontal distance from the centre of the trail at which ants exhibited following behaviour increased with concentration to 3-4 mm beyond the applied trail boundaries, indicating both an ability to follow airborne chemicals, and possibly a non-tolerance of excessively high concentration. Activity of 0.1 ant equivalent trails on filter paper declined to about half the original level by four hours; after eight hours, responses were significantly different from, but almost as low as, solvent controls.

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