The Role of Host Plants in the Speciation of Treehoppers: An example from the Enchenopa binotata Complex
Recent studies on the origin of insect races and speciation in certain phytophagous insect complexes have forced systematists to revise their ideas concerning modes of animal speciation. Rapid establishment of new races by insects on introduced plants has led some biologists to suggest that races and species may arise sympatrically (Bush 1969, 1975). Since much of the evidence is indirect, however, other workers still regard geographical isolation as a prerequisite for speciation in most groups of sexually reproducing animals (Mayr 1970).
KeywordsHost Plant Host Plant Species Mating Period Host Race Marked Female
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