Summary
Adult female whitespotted sawyers Monochamus scutellatus (Coleoptera: Cerambycidae) were placed on succeeding days with two males differing visibly in size. Females showed a significant preference for the larger of two males. The rate of oviposition was significantly higher when the female was paired with the larger male. Both the rate of movement by the paired female and her rate of indicating non-receptivity were significantly lower when the female was paired with the larger male. This species exhibits resource defense polygyny, and females appear to choose mates mainly on the basis of the quality of resources defended. This study suggests, however, that when resource quality is constant, females choose mates on the basis of their size.
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Hughes, A.L., Hughes, M.K. Female choice of mates in a polygynous insect, the whitespotted sawyer Monochamus scutellatus . Behav Ecol Sociobiol 17, 385–387 (1985). https://doi.org/10.1007/BF00293217
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DOI: https://doi.org/10.1007/BF00293217