Summary
The antennal sensilla inI. typographus are almost exclusively confined to the flattened terminal flagellar segment. The sensillar types have distinct distribution patterns in the three areas where they are found. Judging from the ultrastructural characteristics the following functions can be assigned to the sensillar types: chemoreception, single-walled and double-walled sensilla; chemoreception/mechanoreception, terminal-pore sensillum. Moreover there are two types of mechanoreceptors, one of which is connected to a bristle, whereas the other terminates within the cuticle of the flagellar segment.
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This study was made within the Swedish project “Odour Signals for Control of Pest Insects”.
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Hallberg, E. Sensory organs inIps typographus (Insecta: Coleoptera) — Fine structure of antennal sensilla. Protoplasma 111, 206–214 (1982). https://doi.org/10.1007/BF01281968
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DOI: https://doi.org/10.1007/BF01281968