Entomologist's Monthly Magazine
Andrea jacobi Perkins is a common and widely distribted solitary bee nesting in soil. Each female usually digs its own burrow but during 1961 1962 on a school lawn at Staveley, near Chesterfield, Derbyshire I observed several females using a common entrance.
Archer, Michael E., "A Communal Colony of Andrena Jacobi Perkins (Hym., Andrenidae)" (1980). An. Paper 30.
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