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. 2019 May 29;13:118. doi: 10.3389/fnbeh.2019.00118

Figure 4.

Figure 4

Evolutionary changes in the relative time and duration of specific microbehaviors. Relative oviposition time (left column) or average duration (right column) for the following microbehaviors: ovipositor contact (A,B), labellum contact (C,D), and abdomen drumming (E,F). Orange dots on the phylogenetic trees indicate the origin of a divergence (Error bars represent SEM, n = 8, stars indicate significant differences between two groups; ns: non-significant). (A,B) Both D. suzukii and D. biarmipes spend significantly more time on ovipositor contact when interacting with the substrate than D. melanogaster (A). While not significant, D. suzukii displayed a tendency for longer ovipositor contacts (B). (C,D) D. suzukii spends more active time on labellum contact than D. biarmipes and D. melanogaster (C). The duration of the bouts of labellum contact is also significantly longer in D. suzukii than in D. melanogaster. (E,F) D. suzukii spends significantly more time on abdomen drumming than both D. biarmipes and D. melanogaster, but displays no increase in the average duration of drumming events.