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Differences in worker size and mound distribution in monogynous and polygynous colonies of the fire ant solenopsis invicta

, : Differences in worker size and mound distribution in monogynous and polygynous colonies of the fire ant solenopsis invicta. Journal of the Kansas Entomological Society 58(1): 9-18

Polygyny in fire ants had 2 overt manifestations in field colonies: workers from polygynous colonies were significantly smaller than those from monogynous colonies; and 2 transects through fields containing both types of colonies showed that closely spaced polygnous colonies were contiguous with more dispersed monogynous mounds. A simple method is presented for predicting whether a field colony is monogynous or polygynous and the possible origins of polygyny in this species is discussed.

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