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
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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
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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 »
The male Orthetrum stemmale is apparently very common along forest paths, even though fully pruinose and mature individuals are rarely encountered. And fortunately so, because when they are adorned in blue like this, they are almost indistinguishable from O. brachiale and closely resemble O. julia. Personally, I find that the secondary genitalia under (S2) in
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