Figure 2 from: Bogusch P, Hlaváčková L, Petr L, Bosch J (2020) Nest structure, pollen utilization and parasites associated with two west-Mediterranean bees (Hymenoptera, Apiformes, Megachilidae) nesting in empty snail shells. Journal of Hymenoptera Research 76: 113-125. https://doi.org/10.3897/jhr.76.49579

Figure 2 Diagrams of nest structures of nests of Hoplitis fertoni (right) and Osmia ferruginea (left). The nests are identified by locality snail codes (Cern – Cernuella sp., Ever – Eobania vermiculata, Iber – Iberellus sp., Olac – Otala lactea, Scan – Sphincterochila candidissima, Tpis – Theba pisana. Each box represents one brood cell, starting with the innermost cell on the left. Colours represent the various species recorded. White boxes represent intercalary cells.