The external morphology is described, illustrated and compared with that of the congeners. A note on the habitat of P. lais is appended.

Odonatologica

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Societas Internationalis Odonatologica

J.M. Costa, & L.P.R.B. Régis. (2005). Description of the last instar larva of Perithemis lais (Perty) and comparison with other species of the genus (Anisoptera: Libellulidae). Odonatologica, 34(1), 51–57.