Gliding ant
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Gliding ants are arboreal ants of several different genera that are able to control the direction of their descent when falling from a tree in order to land on the trunk before reaching the unfamiliar and potentially hazardous understory.
All species in the genus Cephalotes that have been tested to date show this ability, as do many species of Pseudomyrmecinae, and some other groups.
Some ants voluntarily jump or drop off of trees in response to disturbance, secure in the (genetic) knowledge that they have an 85% chance of landing successfully on the same tree, as opposed to 5% if they were simply parachuting like normal ants.
During a fall, gliding ants use visual cues to locate tree trunks. Specifically, they orient to light-colored columnar objects that sharply contrast the darker background of foliage in the forest. Tropical trees often have light-colored bark and frequently are covered with white lichens, thus they provide the most conspicuous targets.
[edit] References
- Yanoviak, SP; Dudley R, Kaspari M (February 10 2005). "Directed aerial descent in canopy ants". Nature 433 (702): 6624-6. PMID 15703745. Retrieved on 2006-05-30.
[edit] See also
[edit] External links
- Yanoviak, Steve (3 August 2005). Gliding Ants - Introduction. Retrieved on November 6, 2006.
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