J'avais déjà rencontré Phaon iridipennis, Calopterygidae, en Namibie, mais je n'avais pu contacter qu'une seule femelle. J'ai eu plus de chance au Ghana, puisque sur deux sites différents j'ai pu photographier mâle et femelle.Il est impressionnant par sa taille, 70 mm en moyenne, et par l'iridescence de ses ailes, en fonction de l'incidence de la
Ghana - Phaon iridipennis (Burmeister, 1839) Lire la suite »
Attempted predation on Orthetrum stemmale by Polyspilota sp. When we prospect for dragonflies, we do not limit ourselves to odonates, and any form of life is worth documenting. Here, along a forest trail near large puddles, we were observing a ballet of numerous odonates attracted by the water and the patch of light in this
Ghana - Predation on Orthetrum stemmale Lire la suite »
Tentative de prédation sur Orthetrum stemmale mâle par Polyspilota sp. Lorsque nous prospectons les libellules, nous ne nous contentons pas des odonates et toute forme de vie est intéressante à documenter. Ici, sur le bord d'un sentier forestier, près de grandes flaques d'eau, nous observions un ballet de nombreux odonates attirés par l'eau et la
Ghana - Prédation sur Orthetrum stemmale Lire la suite »
We encountered Sapho bicolor several times, but it proved impossible to approach despite all my attempts; I think it took off as soon as I got within 5 meters of it. And bad luck, I was still using a full frame that day, which makes the subject look even further away. I am very annoyed
Ghana - Sapho bicolor Selys, 1853 Lire la suite »
At first glance, identifying Orthetrum microstigma seems straightforward: you just have to look for its small pterostigmas. That is the theory; the practice, in the field or later on screen, is far more uncertain. Because without direct comparison, estimating that a pterostigma is short is difficult unless you have a lot of experience; remember that
Ghana - Orthetrum microstigma Ris, 1911 Lire la suite »
