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Cannibalism in Blue-tailed damselfly is curiously an almost common occurrence among cases of cannibalism in Odonata; in fact, this species represents to date 20% of the cases of cannibalism documented in Zygoptera! This observation is the twenty-third.This remains of course a rare phenomenon and I undertook a long research on this subject in which I attempted to list all

Cases of predation by Anax imperator (Emperor Dragonfly) on Zygoptera or Anisoptera are regularly reported. A few years ago, I observed a male Anax imperator capturing an Orthetrum albistylum, but it managed to escape. This will not be the case for this female Cordulia aenea (Downy emerald). This May 20, 2025, at the very beginning

Selys first described Libellago stictica male (Chlorocyphidae) as a supposed race of Micromerus stigmatizans, 1859 (1), then as Micromerus sticticus in 1869 (2). The genus Micromerus is now extinct. It was MA Lieftinck who in this document (3), and adhering to Fraser's proposal, united all of Selys' Micromerus in the genus Libellago.And Selys was not mistaken, Libellago

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

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