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The Arboretum Trust
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| The Sand Pit is a rich habitat for various ground-nesting Hymenoptera due to the sparsely-vegetated, south-facing sandy bank with plentiful nectar sources nearby. Various mining bees (Andrenidae) were noted with abundant burrows. These attract ruby-tailed wasps (Chrysididae, also known as cuckoo wasps) which lay their eggs in the nests of mining bees. Spider-hunting wasps were also observed. | ||||||||||
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