2025

Borneo – Ictinogomphus acutus (Laidlaw, 1918) – English version

Ictinogomphus acutus male (1) is finally an Ictinogomphus that does not pose any identification problems; it should be remembered that this is not the case elsewhere in Asia, where Ictinogomphus decoratus (present in Borneo), rapax (here in Thailand) and pertinax (here in Vietnam) pose a problem and are awaiting revision, because many of us now think that they constitute […]

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Borneo – Coeliccia nigrohamata (Laidlaw, 1918) – English version

Coeliccia nigrohamata male is part of a genus of Platycnemididae that currently includes 80 members in Asia, including 15 in Borneo, all endemic. Nine species were described in Asia in 2020, and others will certainly be added to the list.It immediately made me think of C. octogesima, which I encountered in 2013 in Peninsular Malaysia, for

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Sarawak – Tyriobapta kuekenthali (Karsch, 1903) – English version

Tyriobapta kuekenthali male, Libellulidae, is part of a genus that includes three species, all found in western Sarawak. But this species is distinguished from the others, which are very similar in thoracic pattern and overall coloration, by the total absence of wing coloration. Indeed, Tyriobapta torrida shows a strong dark and beautifully iridescent wing patch, while T.

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Sarawak – Tyriobapta kuekenthali (Karsch, 1903)

Tyriobapta kuekenthali, Libellulidae, fait partie d’un genre qui compte trois espèces, toutes présentes dans l’ouest du Sarawak. Mais cette espèce se distingue des autres, très similaires pour les motifs thoraciques et la coloration globale, par l’absence totale de coloration alaire. En effet, Tyriobapta torrida montre une forte tache alaire sombre et magnifiquement irisée, tandis que

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Sarawak – Tyriobapta torrida (Kirby, 1889) English version

Tyriobapta torrida male (1) is part of a genus that includes only three species, all present in Borneo. They are very similar in general appearance and thoracic patterns of young individuals, but are easily differentiated by the extent of the basal wing coloration, that of Tyriobapta torrida being by far the most important, that of

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