Reports

Interspecific Hybridization and Caste Specificity of Protein in Fire Ant

Science  24 Jun 1977:
Vol. 196, Issue 4297, pp. 1458-1460
DOI: 10.1126/science.196.4297.1458

Abstract

One natural population of fire ant in Texas was found to be a hybrid between Solenopsis geminata and S. xyloni. Evidence from isozyme studies and breeding experiments is provided to demonstrate interspecific hybridization in ants. In this hybrid population, all worker ants have both parental types of nicotinamide adenine dinucleotide-malate dehydrogenase isozymes, but 95 percent of queens possess only the maternal type.

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