David_W_1971: Halictus tumulorum female
David_W_1971: Halictus tumulorum female
David_W_1971: Halictus rubicundus excavating nest (showing rima), Preston Montford
David_W_1971: Halictus rubicundus excavating, Preston Montford
David_W_1971: Halictus rubicundus
David_W_1971: solitary bee, Halictus tumulorum, male
David_W_1971: Halictus rubicundus & honeybee