The males are stridulating by themselves, here and there, teasing the passing fair with their antennae. [Please select]
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Stridulation: a creaking sound produced by rubbing together two striated or otherwise roughened surfaces: the act of stridulating or the noise produced by it. [Please select]
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Coxal file: in some aquatic Coleoptera a series of striations just above the hind coxa of male and, perhaps, a stridulating organ. [Please select]
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File: the diagonal ridged vein near the base of the tegmina in crickets, used in stridulating: in general any structure wherever situated that serves the same purpose. [Please select]
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