Contribution to the taxonomic knowledge of the genus Aesalus Fabricius, 1801 (Coleoptera: Lucanidae), with description of a new species from Northern Taiwan.

<p>Lin J.-Z., 2025. – Contribution to the taxonomic knowledge of the genus <em>Aesalus</em> Fabricius, 1801 (Coleoptera: Lucanidae), with description of a new species from Northern Taiwan. <em>Faunitaxys</em>, 13(54): 1 – 7.</p> <p><span><a href="https://doi.org/10.57800/faunitaxys-13(54)">https://doi.org/10.57800/faunitaxys-13(54)</a> - <a href="https://zoobank.org/E6046CC5-B39E-461D-91EC-A314AFDF99AD">https://zoobank.org/E6046CC5-B39E-461D-91EC-A314AFDF99AD</a></span></p> <p><strong>Abstract</strong>. – <em>Aesalus </em>(<em>Huaesalus</em>)<em> leei</em> <strong>sp</strong>. <strong>nov</strong>., a new species of the <em>A. imanishii</em>-species group (Coleoptera: Lucanidae), is described from Northern Taiwan. The species is characterized by nine- segmented antennae, distinctive external morphology, and unique genital characters. An updated identification key and checklist for Southeast Asian <em>Aesalus</em> species are also provided.</p> <p><span>Lin J.-Z., 2025. – Contribution to the Taxonomic Knowledge of the Genus <em>Aesalus</em> Fabricius, 1801 (Coleoptera: Lucanidae), with Description of a New Species from Northern Taiwan. <em>Faunitaxys</em>, 13(54): 1 – 7</span></p> <p><strong>Résumé</strong>. – <em>Aesalus</em> (<em>Huaesalus</em>) <em>leei</em> <strong>sp</strong>. <strong>nov</strong>., une nouvelle espèce du groupe <em>A</em>. <em>imanishii</em> (Coleoptera : Lucanidae), est décrite du nord de Taïwan. Elle se caractérise par des antennes à neuf articles, une morphologie externe distinctive et des caractères génitaux uniques. Une clé d'identification et une liste mises à jour des <em>Aesalus</em> d'Asie du Sud-Est sont également fournies.</p>