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The Four Banded Longhorn Beetle (Leptura quadrifasciata) is of the family Cerambycidae which is in the genus Leptura. It occurs throughout the northern and central Palearctic region. In Britain it has a wide spread but local distribution. Based on published reports, it is an uncommon and very local species in Ireland and has only been recorded from fifteen locations.
The wood boring larvae feed on dead and decaying trees. The pollen eating adults feed on a variety of plants including umbellifers. The life cycle lasts 2 or 3 years but the adults are short lived which might account for the lack of records.
Patrick J. O'Keeffe / Raw Birds