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