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SYNOPSIS. Most contemporary authorities on the taxonomy of Coleoptera agree that its three-quarter million described species and subspecies should be placed in three suborders: Archostemata, Adephaga, and Polyphaga. Judged by the absence of males or the occurrence of variant sex ratios, parthenogenesis occurs in all three. Those that have been studied cytologically and a tew that can safely be surmised are discussed with reference to their probable origin and evolutionary significance.
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Stanley G. Smith (1971) studied this question.
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