Afrotropical T. werneri is at the southern tip of its range in South Africa, where it overlaps with several other species of the genus. Its larva is described and compared with other known Trithemis spp. larvae from southern Africa.

Odonatologica

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Societas Internationalis Odonatologica

M.J. Samways, M. Di Domenico, & G. Carchini. (1993). Last instar larva of Trithemis werneri Ris, 1912, and comparison with other Trithemis species (Anisoptera: Libellulidae). Odonatologica, 22(2), 223–228.