Lasioglossum calceatum is a Palearctic species of sweat bee.BWARSEdward Saunders 1896, The Hymenoptera Aculeata of the British Isles London. pdf us.archive Full text with illustrations] The species is socially polymorphic, with northern populations being solitary while southern populations exhibit eusocial behavior.
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External links Images representing Lasioglossum calceatum