Colletes daviesanus

    Description

    Size 7 to 9 mm. This is the smallest species of Colletes in the UK. It is more grey brown than other similar species, and has sparser thoracic hair (allowing the mesonotum to shine through).

    Identification difficulty
    Habitat

    May be seen visiting flowers and at its nesting sites.

    When to see it

    Mid June to mid September. Females provision the nest entirely from flowers in the family Asteraceae, Tansy, Daisies and Ragwort being common forage plants.

    Life History

    Will nest in soft steep or vertical faces such as sandstone cliffs, steep cuttings etc. It will also nest in soft mortar joints in brickwork – and can cause considerable problems when a large number f bees use the same site.

    UK Status

    Widely distributed throughout England, Wales and the Channel Islands, but scarce in Scotland, where it is known only from scattered coastal sites as far north as Invernesshire.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    UK Map