Army Ants: Strength in Numbers

This topic submitted by Cristy Evensvold ( evensvcm@miamioh.edu) at 10:06 PM on 4/3/07.

More of our class explores Lighthouse Cave, San Salvador, Bahamas.

Tropical Field Courses -Western Program-Miami University


Cristy Evensvold
Outline

Army Ants: Strength in Numbers
I.)Introduction
II.)Ant Colony Hierarchy
A.) Queen
i.Physical characteristics
ii.Roles
B.) Workers
i.Physical characteristics
ii.Roles
C.) Males
i.Roles
III.)Anatomy and Egg Production
A.) Anatomy
B.) Eggs
i.Fertilized eggs
ii.Unfertilized eggs
iii.Different castes of ants are dependent on type of egg
IV.)Polyethism
A.) Age Polyethism
B.) Caste Polyethism
V.)Behavior
A.) Communication
i.Reasons for communication
ii.Sensory Modalities
1.Visual
2.Vibrational
3.Tactile
4.chemical
B.) Social Organization
i.Adaptive Syndrome
C.) Foraging
i. Group predation
ii. Foraging patterns
1.Column Raiding
2.Swarm Raiding
VI.)Effect on Ecosystem
A.)Populations of army ants
B.)The impact on prey
C.)Species diversity of army ants
VII.)Conclusion

Works Cited

Dumpert, K. The Social Biology of Ants. London: Pitman Publishing Limited, 1978.

Gotwald, William H. Jr. Army Ants The biology of social predation. Ithica: Comstock Publishing Associates, 1995.

Hogue. Charles L. Dr. The Armies of the Ant. New York: World Publishing, 1972.

Kay, Adam and Rissing Steven W. “Division of foraging labor in ants can mediate demands for food and safety.” Behavioral Ecology and Sociobiology. 58 (2005): 165-174.

Couzin, I. D., and Franks, N. R. “Self-organized lane formation and optimized traffic flow in army ants.” Proc. R. Soc. Land. 270 (2003): 139-146.

O’Donnell, Sean, and Jeanne, Robert L. “Notes on an Army Ant (Eciton burchelli) Raid on a Social Wasp Colony (Agelaia yepocapa) in Costa Rica.” Journal of Tropical Ecology. 6 (1990): 507-509.

Bay, John S. “Design of the Army-Ant Cooperative Lifting Robot.” IEEE Robotics & Automation Magazine. (1995): 36-43.


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