Hylotrupes bajulus preferentially attacks freshly produced sapwood of softwood timber. Contrary to the name "old-house borer", the species is more often found in new houses; maybe because the beetles are attracted to the higher resin content of wood harvested more recently than 10 years earlier. If old wood is attacked, the damage is usually greater. As the nutrient content of wood decreases with age the larva has to consume larger amounts of wood.
Skraido VI-VII, aptinkami ant medinių tvorų, sienų. Gadina medines konstrukcijas. Gentyje vienintelė rūšis.
Subfamily: Cerambycinae · Ūsuotėnai Tribe: Hylotrupini 0469
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