Spinanthidium Spinanthidium calvini, Taxa Only, Exact Match: 2 Treatments

Plesianthidium (Spinanthidium) calvini Cockerell			Eardley, Connal & Griswold, Terry, 2015, Taxonomic revision of Plesianthidium Cameron (Apoidea: Megachilidae: Anthidiini), an endemic southern African bee genus, Zootaxa 3973 (1), pp. 1-56 : 52-53	52-53
Plesianthidium (Spinanthidium) calvini			Kuhlmann, Michael & L, Stella, 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 56 (2), pp. 567-575 : 572	572