Supplementary material 2 from: Müller A, Richter H (2018) Dual function of Potentilla (Rosaceae) in the life history of the rare boreoalpine osmiine bee Hoplitis (Formicapis) robusta (Hymenoptera, Megachilidae). Alpine Entomology 2: 139-147. https://doi.org/10.3897/alpento.2.30158

Computed tomography (CT) movie of nest 2 of Hoplitisrobusta
: Explanation note: Computed tomography (CT) movie of nest 2 of Hoplitisrobusta; note the vertical plug consisting of several successive layers of leaf pulp and the five brood cells in the horizontal part of the L-shaped cerambycid tunnel.