Chrysolina hyperici

    Description

    Around 5mm in length. The elytra have a maroon/purple iridescent sheen and a domed appearance, studded by tiny dimples.

    Identification difficulty
    Habitat

    Associated with Perforate St John's Wort (Hypericum perforatum).

    When to see it

    Mid to late summer.

    Life History

    The larvae feed during the night on shoot tips and basal and developing leaves of St. John's Wort and the adults feed in clusters during the day on flower buds and terminal leaves. Up to 2,000 eggs are laid on the basal leaves in the autumn and the larvae hatch in spring, feed up and then pupate in soil. The adults emerge in June/July and some overwinter as well as the eggs.

    UK Status

    This species is fairly common throughout England with the main concentration of records coming from the south.

    VC55 Status

    It is occasional in Leicestershire and Rutland with most records coming from the east of the region. There were a total of 17 VC55 records for this species up to March 2015.

    Leicestershire & Rutland Map

    UK Map