Characteristics of D. melanogaster substrate-borne vibrations monitored on different substrates during courtship
(A) Pattern of frequencies and amplitude of 1–3 vibratory pulses generated by tremulations of OrR males recorded on banana, apple, prickly-pear cactus fruit, or on the artificial foil membrane during courtship with OrR females.
(B) Interpulse intervals (IPIs) of the substrate-borne vibrations of OrR males on apple (n = 74 pulses recorded, 2 flies), banana (n = 55 pulses recorded, 2 flies), and cactus fruit (n = 251 pulses recorded, 4 flies). The mean IPIs recorded on apple and banana were similar, but they were significantly different from the mean IPI recorded on the cactus fruits.
See also Table S2.