Type : Agrion caerulescens <\/em>Boyer de Fonscolombe, 1838<\/p>\n\n\n\n Deliry C. & Faton J.M. [2025]<\/strong> – Fonscolombagrion<\/em>, r\u00e9flexion sur un nouveau (sous) genre depuis Coenagrion caerulescens<\/em>. – \u24b7log… des Histoires Naturelles,<\/em> 25 mai 2025. – ONLINE<\/a><\/p>\n\n\n Constatant sur la base photographique d’une femelle de Coenagrion caerulescens<\/em> que celle-ci pr\u00e9sentait des caract\u00e9ristiques au niveau thoracique propres \u00e0 un Enallagma<\/em> (voir ci-dessus), j’y cru un moment \u00e0 une erreur de d\u00e9termination, pr\u00e9cisant que je n’avais toutefois pas v\u00e9rifi\u00e9 la forme du pronotum (com.,<\/em> 24 mai 2025). J’en ai inform\u00e9 Jean-Michel Faton, auteur de la photographie qui en r\u00e9ponse confirme sa d\u00e9termination, \u00e0 raison car il souligne que son sp\u00e9cimen a des taches post-oculaires \u00ab\u00a0g\u00e9antes\u00a0\u00bb, un pronotum tr\u00e8s marqu\u00e9 en U et de petits triangles noirs vers la terminaison de l’abdomen, qui est clair (in litt.,<\/em> du 24 mai 2025). Ce sont en effet autant de crit\u00e8res qui nous avions utilis\u00e9 pour la d\u00e9termination de Coenagrion caerulescens<\/em>. Toutefois il appara\u00eet que la ligne m\u00e9diothoracique est large et que les c\u00f4t\u00e9 du thorax s’av\u00e8rent non marqu\u00e9s, sinon presque. Le pronotum, \u00e9l\u00e9ment structurel, ne fait aucun doute sur la bonne d\u00e9termination. L’examen de nombreuses photographies fait le 25 mai 2025 r\u00e9v\u00e8le une bonne constance de ces caract\u00e9ristiques chez les femelle. Ils sont att\u00e9nu\u00e9s chez les m\u00e2les qui s’approchent plus des v\u00e9ritables Coenagrion<\/em>, sans en avoir parfaitement les caract\u00e9ristiques. L’examen de la terminaison alaire au-del\u00e0 du pt\u00e9rostigma ne r\u00e9v\u00e8le toutefois la multiplication des cellules de bordure, comme c’est le cas chez les Enallagma<\/em> v\u00e9ritables. <\/p>\n\n\n\n En cons\u00e9quence, je propose le contexte suivant :<\/p>\n\n\n\n Perspectives et application pour la d\u00e9termination de Fonscolombagrion caerulescens<\/em><\/p>\n\n\n\n Cyrille Deliry (r\u00e9d. principal) et Jean-Michel Faton, Niort, le 25 mai 2025 – Derni\u00e8re mise \u00e0 jour le 19 juin 2025<\/p>\n\n\n\n R\u00e9f\u00e9rences<\/p>\n\n\n\n Communiqu\u00e9 du 25 mai 2025 – Cyrille Deliry et Jean-Michel Faton Fonscolombagrion Deliry & Faton, [2025] Type : Agrion caerulescens Boyer de Fonscolombe, 1838 Deliry … <\/p>\n","protected":false},"author":1,"featured_media":2710,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[270,516,323,321,1,269,320,311],"tags":[],"class_list":["post-2686","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-coenagrionidae-coenagrionidae","category-drome","category-hautes-alpes","category-maintenance","category-odonates","category-odonates-des-hautes-alpes","category-zz-synchroniser"],"_links":{"self":[{"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts\/2686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2686"}],"version-history":[{"count":50,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts\/2686\/revisions"}],"predecessor-version":[{"id":7129,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts\/2686\/revisions\/7129"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/media\/2710"}],"wp:attachment":[{"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"\"](\"https:\/\/deliry.com\/wp-content\/uploads\/2025\/05\/Coecaefjmf.jpg\")
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Pr\u00e9sence ou non d’une bande m\u00e9dio-thoracique large, pr\u00e9sence ou non d’une ligne suppl\u00e9ment sur les c\u00f4t\u00e9s du thorax, divisions suppl\u00e9mentaire ou non des cellules apicale des ailes des m\u00e2les
Sources diverses prises sur Wikimedia commons, iNaturalist et chez \u00a9 Guillon Beno\u00eet (\u24b7log… Mes Libellules<\/em>)<\/figcaption><\/figure>\n<\/div>\n\n![\"\"](\"https:\/\/deliry.com\/wp-content\/uploads\/2025\/05\/large.jpg\")
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![file:Coenagrion_caerulescens_femelle.jpg<\/a><\/li>\n\n\n\nGuillon B. [2025]<\/strong> \u2013 Mes Libellules.<\/em> – \u24b7log…, 25 mai 2025. \u2013 ONLINE<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Communiqu\u00e9 du 25 mai 2025 – Cyrille Deliry et Jean-Michel Faton Fonscolombagrion Deliry & Faton, [2025] Type : Agrion caerulescens Boyer de Fonscolombe, 1838 Deliry … <\/p>\n","protected":false},"author":1,"featured_media":2710,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[270,516,323,321,1,269,320,311],"tags":[],"class_list":["post-2686","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-coenagrionidae-coenagrionidae","category-drome","category-hautes-alpes","category-maintenance","category-odonates","category-odonates-des-hautes-alpes","category-zz-synchroniser"],"_links":{"self":[{"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts\/2686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2686"}],"version-history":[{"count":50,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts\/2686\/revisions"}],"predecessor-version":[{"id":7129,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts\/2686\/revisions\/7129"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/media\/2710"}],"wp:attachment":[{"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}](\"https:\/\/commons.wikimedia.org\/wiki\/File:Coenagrion_caerulescens_femelle.jpg\"){kind=link}