![(Top to bottom) The carpenter ant (Camponotus) may be a household pest; when some of the …[Credits : (Top two) Grace Thompson from The National Aubudon Society Collection—Photo Researchers/EB Inc., (bottom two) E.S. Ross]](http://media-2.web.britannica.com/eb-media/27/5727-004-AB701C47.jpg)
![(Top to bottom) The carpenter ant (Camponotus) may be a household pest; when some of the …[Credits : (Top two) Grace Thompson from The National Aubudon Society Collection—Photo Researchers/EB Inc., (bottom two) E.S. Ross]](http://media-3.web.britannica.com/eb-media/28/5728-004-AD7FCB03.jpg)
![(Top to bottom) The carpenter ant (Camponotus) may be a household pest; when some of the …[Credits : (Top two) Grace Thompson from The National Aubudon Society Collection—Photo Researchers/EB Inc., (bottom two) E.S. Ross]](http://media-1.web.britannica.com/eb-media/29/5729-004-5D3D50ED.jpg)
![(Top to bottom) The carpenter ant (Camponotus) may be a household pest; when some of the …[Credits : (Top two) Grace Thompson from The National Aubudon Society Collection—Photo Researchers/EB Inc., (bottom two) E.S. Ross]](http://media-2.web.britannica.com/eb-media/30/5730-004-4E49E583.jpg)
(Top to bottom) The carpenter ant (Camponotus) may be a household pest; when some of the seeds stored by harvester ants (Pogonomyrmex) germinate, the young plants are carried from the nest and may grow around the nest opening; army ants (Eciton) do not build nests but form a clustered mass with their bodies; driver ants (Dorylus), like army ants, have enormous wingless queens, who lay up to about 25,000 eggs at a time.
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