Ultrastructure of stridulating organ of Xylotrechus rusticus L. (Coleoptera, Cerambycidae) and behavioral responses to alarm sounds

Abstract

We used scanning electron microscope (SEM) to observe the ultrastructure of stridulating organs in Xylotrechus rusticus L. We compared the morphological structure and size of stridulating organs, the numbers of a tooth-like part used in stridulation and its presence in females and males of this beetle. The alarm sound of X. rusticus was recorded first when it was stimulated, then we tested behavioral responses to this alarm sound. The alarm sound of X. rusticus has a warning effect on conspecifics.

Keywords

Xylotrechus rusticus L. / stridulating organ / behavioral response to sound

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