Calvatomina superba (3765Casup)
Dicrytomina superba (Salmon, 1943)
Almost certainly an alien species, Collembola in the family Dicyrtomidae whose appearance match the description of Calvatomina superba have been found by Paul Ardron in Sheffield Botanic Gardens and in the Lost Gardens of Heligan. Compare the photograph in Figure 1 with figure 2, from Salmon (1943).
Salmon, JT (1943). New records of Collembola from New Zealand with descriptions of new species. part 2 - Symphypleona. Transactions of the Royal Society of new Zealand pp 1 - 12, plate 1.