http://www.collembola.org/images/spermatophores.htm - Last updated on 2007.11.18 by Frans Janssens

Variation in shapes of spermatophores
a. Podura aquatica (Poduridae)
b. Monobella grassei (Neanuridae)
c. Deutonura monticola (Neanuridae)
d. Isotoma viridis (Isotomidae)
e. Dicyrtomina minuta (Dicyrtomidae)