Classification of red imported fire ant, Solenopsis invicta Buren, colonies as monogyne or polygyne by using differences in worker size (head widths) was compared to PCR discrimination of alleles for colony social form. Maximum head widths were significantly different between the two social forms, but reliable assignment of social form based on head widths was not possible because of considerable overlap in sizes among ants in the two social forms.
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© 2007 Georgia Entomological Society, Inc.
2007