Abstract
The males of most species of the HawaiianDrosophila planitibia group produce songs when vibrating their wings during courtship. In four of the most recently evolved species,D. differens, D. planitibia, D. heteroneura, andD. silvestris, these songs are simple in structure and possess a higher and more variable carrier frequency than the songs of the more ancestral species of the group. In the present paper, we studied the variation in wing song production and song characters in aD. planitibia population. Some males vibrated their wings at a very low amplitude or slow speed, producing no detectable sound. Other males produced sound bursts varying in carrier frequency and burst length. The carrier frequency of the song depended mainly on the wing posture of the male during wing vibrations and was consistent for individual males. Variation between males of different isofemale progenies was not significant in any measured song trait. Songs of the males recorded in the present study differed, however, from songs of the males of a laboratory strain recorded earlier.
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Hoikkala, A., Kaneshiro, K.Y. Variation in male wing song characters inDrosophila plantibia (Hawaiian picture-wingedDrosophila group). J Insect Behav 10, 425–436 (1997). https://doi.org/10.1007/BF02765608
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DOI: https://doi.org/10.1007/BF02765608