Behavioral Repertory of Adult Cylas formicarius (Fabricius) (Coleoptera: Brentidae)
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Date
2018-03
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Coleopterists Bulletin
Abstract
Adult female and male sweetpotato weevils, Cylas formicarius (Fabricius), have repertories of at least 19 and 21 behavior patterns, respectively. These are described and named, including eight self-grooming patterns. Consistent with the species' slight sexual dimorphism, few behavior patterns are peculiar to one sex. The sequence of self-grooming movements is analyzed for each sex. Comparative assays of vagility and overall activity do not show any difference between the sexes.
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Keywords
Curculionoidea, Sexual behaviour, Sexual diethism, Sweetpotato weevil, Thanatosis