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Electrophoresis results for the five enzymes exhibiting either differences between taxa and/or variation within taxa. The other 11 loci (Table 2) were invariant within, and showed no differences between, all taxa. The body of the table gives the number of individual bees of each electromorph. Electromorph mobilities (mm) are standardized relative to those of B. occidentalis (= index 100, Scholl et al. 1990).
