Reference

Michael Kuhlmann, Stella Luisa Fromm (2025): The female of the southern African bee Plesianthidium (Spinanthidiellum) haematurum (COCKERELL, 1932) (Hymenoptera, Megachilidae), with an updated key and additional records of the genus – Linzer biologische Beiträge – 0056_2: 567 - 575.