{"id":24898,"date":"2025-05-26T20:58:29","date_gmt":"2025-05-26T18:58:29","guid":{"rendered":"https:\/\/www.meslibellules.fr\/blog\/?page_id=24898"},"modified":"2025-07-16T08:19:45","modified_gmt":"2025-07-16T06:19:45","slug":"erythromma-najas","status":"publish","type":"page","link":"https:\/\/www.meslibellules.fr\/blog\/erythromma-najas\/","title":{"rendered":"Erythromma najas (Hansemann, 1823)"},"content":{"rendered":"\n<p>Erythromma najas (1) est un Coenagrionidae aux yeux rouges, de taille moyenne (30 \u00e0 36 mm), assez commun sur les mares ensoleill\u00e9es, souvent pos\u00e9 sur les n\u00e9nuphars.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-male-accueil-scaled.webp\"><img decoding=\"async\" width=\"2560\" height=\"1408\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-male-accueil-scaled.webp\" alt=\"Erythromma najas m\u00e2le, Chanteloup-les-Bois (France-49), 30\/07\/2011\" class=\"wp-image-24900 lazyload\" style=\"--smush-placeholder-width: 2560px; --smush-placeholder-aspect-ratio: 2560\/1408;width:501px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-male-accueil-scaled.webp 2560w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-male-accueil-768x422.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-male-accueil-1536x845.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-male-accueil-2048x1126.webp 2048w\" data-sizes=\"(max-width: 2560px) 100vw, 2560px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Erythromma najas m\u00e2le, Chanteloup-les-Bois (France-49), 30\/07\/2011<\/figcaption><\/figure>\n\n\n\n<h5><span style=\"text-decoration: underline;\">Description &#8211; Identification<\/span><\/h5>\n\n\n\n<p><strong>Les m\u00e2les<\/strong> : les yeux sont rouges, sans taches postoculaires, les bandes ant\u00e9hum\u00e9rales sont absentes pour les sujets vraiment matures, bien visibles et courtes pour les jeunes, qui sont jaunes et noirs. Les pattes sont noires, les flancs du thorax sont bleu-ciel comme le premier segment (S1) ; un triangle distal sur le deuxi\u00e8me (S2) et les deux derniers segments (S9 et S10) sont \u00e9galement compl\u00e8tement bleus, les autres sont noirs et ont tendance \u00e0 se couvrir d&rsquo;une pulv\u00e9rulence poussi\u00e9reuse blanch\u00e2tre pour les sujets \u00e2g\u00e9s. <br>Les <a href=\"https:\/\/martinia.insectes.org\/nomenclature-francaise-des-appendices-anaux-des-imagos-et-larves-dodonates-pour-labandon-du-terme-cercoides\/\" target=\"_blank\" rel=\"noreferrer noopener\">cerques<\/a> (appendices anaux sup\u00e9rieurs) sont droits (et non concaves en dedans).<br>Avec ses yeux rouges et son aspect globalement sombre, on ne peut h\u00e9siter qu&rsquo;avec Erythromma viridulum, plus petit et qui arrive plus tard en saison. Ils sont faciles \u00e0 s\u00e9parer, car ce dernier montre une coloration bleue sur toute la face lat\u00e9rale du S2 et celle du S8, coloration qui remonte de telle sorte qu&rsquo;elle est visible en vue dorsale. Cette m\u00eame vue permet de constater la pr\u00e9sence d&rsquo;un <a href=\"https:\/\/www.meslibellules.fr\/images\/coenagrionidae\/erythromma\/e_viridulum\/viri_male2\/erythromma-viridulum-male-3big.jpg\">\u00ab\u00a0x\u00a0\u00bb noir<\/a> sur la face dorsale du S10 (absent pour E. najas).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-1-accueil.webp\"><img decoding=\"async\" width=\"2130\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-1-accueil.webp\" alt=\"Erythromma najas femelle, Chanteloup-les-Bois (France-49), 28\/05\/2011\" class=\"wp-image-24904 lazyload\" style=\"--smush-placeholder-width: 2130px; --smush-placeholder-aspect-ratio: 2130\/1204;width:497px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-1-accueil.webp 2130w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-1-accueil-768x434.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-1-accueil-1536x868.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-1-accueil-2048x1158.webp 2048w\" data-sizes=\"(max-width: 2130px) 100vw, 2130px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Erythromma najas femelle jaune, Chanteloup-les-Bois (France-49), 28\/05\/2011<\/figcaption><\/figure>\n\n\n\n<p><strong>Les femelles<\/strong> sont jaunes ou vertes, et noires ; elles n&rsquo;ont pas de taches postoculaires (sauf exception) leurs yeux sont marron\/orang\u00e9s, plus clairs en bas et en avant. Elles ont une bande ant\u00e9hum\u00e9rale jaune ou verte, parfois courte, le plus souvent en point d&rsquo;exclamation, tr\u00e8s rarement compl\u00e8te. Leur <em>pronotum est caract\u00e9ristique<\/em>, le bord post\u00e9rieur<a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/erythromma-najas-pronotum-femelle-3.jpg\"> est relev\u00e9 et dessine un M<\/a>. La face dorsale de l&rsquo;abdomen est noire, ventrale jaune ou verte, mais <em>il y a toujours <\/em><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-triangle-accueil.webp\"><em>une ligne, trait ou tache noire<\/em> <\/a>\u00e0 la partie inf\u00e9rieure de la face lat\u00e9rale du S2, qui, avec un peu d&rsquo;imagination, d\u00e9finit un triangle. La face dorsale des tarses est noire.<br>On ne peut les confondre qu&rsquo;avec les <a href=\"https:\/\/www.meslibellules.fr\/pagesweb\/coenagrionidae\/erythromma\/e_viridulum\/erythromma-viridulum-femelle-jeune\/erythromma-viridulum-femelle-jeune-3big.jpg\">femelles Erythromma viridulum<\/a> qui sont le plus souvent vertes, mais de temps en temps bleues, plus petites et plus tardives. Le pronotum de ces derni\u00e8res est simplement l\u00e9g\u00e8rement arrondi sur son bord post\u00e9rieur, les bandes ant\u00e9hum\u00e9rales sont compl\u00e8tes, la face dorsale des tarses est parcourue d&rsquo;une bande claire, la partie inf\u00e9rieure de la <em>face lat\u00e9rale du S2 ne montre pas de motif ou trait noir<\/em>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-2-accueil.webp\"><img decoding=\"async\" width=\"1883\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-2-accueil.webp\" alt=\"Erythromma najas femelle, Chanteloup-les-Bois (France-49), 28\/05\/2011\" class=\"wp-image-24905 lazyload\" style=\"--smush-placeholder-width: 1883px; --smush-placeholder-aspect-ratio: 1883\/1204;width:542px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-2-accueil.webp 1883w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-2-accueil-768x491.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-femelle-2-accueil-1536x982.webp 1536w\" data-sizes=\"(max-width: 1883px) 100vw, 1883px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Erythromma najas femelle verte, Chanteloup-les-Bois (France-49), 28\/05\/2011<\/figcaption><\/figure>\n\n\n\n<h5><span style=\"text-decoration: underline;\">Habitat et distribution g\u00e9ographique<\/span><\/h5>\n\n\n\n<p>Il appr\u00e9cie les eaux calmes, stagnantes ou l\u00e9g\u00e8rement courantes. Dans ma r\u00e9gion, je le trouve fr\u00e9quemment <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-male-2-accueil.webp\">pos\u00e9 sur un n\u00e9nuphar<\/a>, sur la partie calme d&rsquo;une petite rivi\u00e8re, dans les portions bien ensoleill\u00e9es. Ou sur des \u00e9tangs \u00e9galement fournis en potamots ou en n\u00e9nuphars, o\u00f9 parfois E. najas et viridulum se c\u00f4toient. <br><br>En France, l&rsquo;esp\u00e8ce est assez commune, sauf sans le sud-ouest dans lequel elle est absente, elle est  peu commune \u00e0 rare dans le sud-est, manquante en Normandie et dans la pointe bretonne.<br><a href=\"https:\/\/atlas-odonates.insectes.org\/odonates-de-france\/erythromma-najas\">Atlas Dynamique des Odonates de France<\/a><br><br>Esp\u00e8ce des zones temp\u00e9r\u00e9es, absente d&rsquo;Espagne et du sud et du centre de l&rsquo;Italie, sa distribution mondiale s&rsquo;\u00e9tend du sud de l&rsquo;Angleterre, du sud et de l&rsquo;est de la Scandinavie  jusqu&rsquo;\u00e0 la Mongolie et le Japon.<br><a href=\"https:\/\/www.iucnredlist.org\/species\/165497\/139211176\">IUCN Red List<\/a><\/p>\n\n\n\n<h5><span style=\"text-decoration: underline;\">P\u00e9riode de vol<\/span><\/h5>\n\n\n\n<p>Son pic d&rsquo;activit\u00e9 en France se situe en juin et juillet, mais il peut \u00eatre contact\u00e9 dans le sud \u00e0 partir de la toute fin d&rsquo;avril et ne dispara\u00eetre totalement qu&rsquo;en fin septembre.<\/p>\n\n\n\n<h5><span style=\"text-decoration: underline;\">Comportement &#8211; \u00c9cologie<\/span><\/h5>\n\n\n\n<p>Fr\u00e9quemment pos\u00e9s sur  les renou\u00e9es, les n\u00e9nuphars ou les potamots, ils combattent les concurrents de la m\u00eame esp\u00e8ce qui s&rsquo;aventurent vers leur espace, ou explorent assez bri\u00e8vement leur territoire en volant au ras de l&rsquo;eau, comme E. lindenii ou E. cyathigerum.<br>Je n&rsquo;ai jamais assist\u00e9 \u00e0 la capture de la femelle par le m\u00e2le et je n&rsquo;ai pas souvent observ\u00e9 d&rsquo;accouplements, qui sont sans doute assez courts. Mais la ponte s&rsquo;ensuit presque aussit\u00f4t, en couple, le m\u00e2le restant le plus souvent hors de l&rsquo;eau alors que la femelle s&rsquo;enfonce plus ou moins pour ins\u00e9rer ses \u0153ufs dans les v\u00e9g\u00e9taux immerg\u00e9s sur lesquels ils se sont pos\u00e9s ; A. Robert (X) d\u00e9crit des cas de pontes immerg\u00e9es ou la femelle reste 10 \u00e0 40 minutes sous l&rsquo;eau.<br>Contrairement aux autres Coenagrionidae qui pondent sous l&rsquo;eau, ils se laissent remonter \u00e0 la surface en flottant passivement, et non pas en marchant le long de la tige d&rsquo;une plante vers la surface (Askew, 2004). Les \u0153ufs ressemblent \u00e0 de minuscules grains de riz de 0.9 x 0.17 \u00e0 0.2 mm L&rsquo;\u00e9closion survient 4 \u00e0 6 semaines apr\u00e8s, la phase larvaire dure 8 mois \u00e0 2 ans et comporte 14 stades, les \u00e9mergences se produisent \u00e0 ras de l&rsquo;eau ou \u00e0 peine au-dessus, \u00e0 la fin du printemps suivant ou plus au nord, d\u00e9cal\u00e9es d&rsquo;encore une saison (<a href=\"https:\/\/meslibellules.fr\/pagesweb\/divers\/glossaire.php\">semivoltines<\/a>).<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-accouplement-accueil.webp\"><img decoding=\"async\" width=\"1500\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-accouplement-accueil.webp\" alt=\"Erythromma najas accouplement, lac de Saint Agnan (France, Ni\u00e8vre), 05\/06\/2023\" class=\"wp-image-24910 size-full lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-accouplement-accueil.webp 1500w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-accouplement-accueil-768x770.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Erythromma-najas-accouplement-accueil-150x150.webp 150w\" data-sizes=\"(max-width: 1500px) 100vw, 1500px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1500px; --smush-placeholder-aspect-ratio: 1500\/1504;\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong><span style=\"text-decoration: underline;\">\u00c9tymologie<\/span><\/strong><\/p>\n\n\n\n<p><strong>Eythromma<\/strong> (Charpentier, 1840) (2) ; du grec <em>erythros<\/em> &#8211; rouge, et <em>omma<\/em> &#8211; \u0153il.<br><strong>Najas<\/strong> (Hansemann, 1823)  ; du latin <em>naias<\/em> qui signifie <em>na\u00efade<\/em>,&nbsp;nymphe&nbsp;aquatique qui vit dans les&nbsp;eaux douces, en particulier les&nbsp;rivi\u00e8res, les&nbsp;sources, les&nbsp;fontaines. <br>Paul-Andr\u00e9 Robert \u00e9crit \u00e0 propos d&rsquo;un couple qui remonte \u00e0 la surface et s&rsquo;envole, apr\u00e8s une ponte immerg\u00e9e \u00ab\u00a0comme un bouchon de li\u00e8ge\u00a0\u00bb : \u00ab\u00a0Il est plus que probable que Hansemann a cru voir dans cette sortie presque miraculeuse des eaux par un insecte si fr\u00eale, dans cette fa\u00e7on de se jouer des \u00e9l\u00e9ments, une r\u00e9miniscence des l\u00e9gendes fabuleuses qui couraient sur le compte des d\u00e9esses de la mythologie\u00a0\u00bb.<br><\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-text-align-left wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/pagesweb\/identificatios\/identification-coenagrionidae\/identification-coenagrionidae-males.php\" style=\"padding-right:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">Aide \u00e0 l&rsquo;identification<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-fa33d29c wp-block-buttons-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/pagesweb\/coenagrionidae\/erythromma\/erythromma_najas\/erythromma-najas-diaporama-emergence-1.php\" style=\"padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">Diaporama d&rsquo;\u00e9mergence<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/pagesweb\/coenagrionidae\/erythromma\/erythromma_najas\/erythromma-najas-male-emergence1-1.php\" style=\"border-width:5px;padding-top:0;padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\">M\u00e2le \u00e9mergent<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/pagesweb\/coenagrionidae\/erythromma\/erythromma_najas\/erythromma-najas-male-immature-1.php\" style=\"border-style:none;border-width:0px;border-radius:0px;padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">M\u00e2le immature<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/pagesweb\/coenagrionidae\/erythromma\/erythromma_najas\/najas_male1.php\" style=\"padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">M\u00e2le<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/blog\/2023\/11\/24\/erythromma-najas-male-pronotum\/\" style=\"padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">Pronotum m\u00e2le<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/pagesweb\/coenagrionidae\/erythromma\/erythromma_najas\/najas_femelle1.php\">Femelle<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/pagesweb\/coenagrionidae\/erythromma\/erythromma_najas\/erythromma-najas-identification-femelle.php\">Identification des femelles<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/blog\/2021\/07\/18\/erythromma-najas-femelle-pronotum\/\">Pronotum femelle<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/pagesweb\/coenagrionidae\/erythromma\/erythromma_najas\/erythromma-najas-accouplement-1.php\">Accouplement<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/pagesweb\/coenagrionidae\/erythromma\/erythromma_najas\/erythromma-najas-ponte-1.php\">Ponte<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/pagesweb\/coenagrionidae\/erythromma\/erythromma_najas\/erythromma-najas-exuvie-male-1.php\">Exuvie<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/blog\/2021\/02\/28\/erythromma-najas-accouplement-en-video\/\">Vid\u00e9os<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/blog\/2020\/08\/30\/erythromma-najas-galerie-1-1\/\">Galerie<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/blog\/2021\/03\/08\/erythromma-najas-parasitisme\/\">Parasitisme<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:53px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>1- M\u00fcller, C. F. A. (n.d.). <a href=\"https:\/\/www.biodiversitylibrary.org\/page\/14928646\">Zoologisches Magazin<\/a> (p. 158). <br>2- Charpentier, Toussaint von. (1840).&nbsp;<em><a href=\"https:\/\/www.biodiversitylibrary.org\/page\/60211686\">Libellulinae europaeae descriptae ac depictae<\/a><\/em>&nbsp;(p. 20). Leopold Voss.<br><br>Ouvrages consult\u00e9s :<br>&#8211; Daniel Grand et Jean-Pierre Boudot, Les Libellules de France, Belgique et Luxembourg, collection Parth\u00e9nope, 2006<br>&#8211; Guide des Libellules de France et d\u2019Europe, K. -D.B. Dijkstra &amp; R. Lewington, Delachaux et Niestl\u00e9, 2007<br>&#8211; Paul Andr\u00e9 Robert, Les Libellules, Delachaux et Niestl\u00e9, 1958<br>&#8211; <a href=\"https:\/\/www.researchgate.net\/publication\/291165298_Atlas_of_the_European_dragonflies_and_damselflies\">Atlas of the European dragonflies and damselfies<\/a>, Jean-Pierre Boudot &amp; Vincent J. Kalkman, KNNV Publishing, 2015<br>&#8211; Europe\u2019s Dragonflies, A Field Guide to damselflies and dragonflies, Dave Smallshire &amp; Andy Swash, British Dragonfly Society, 2020<br>&#8211; R. R. Askew, 2004 \u2013 The Dragonflies of Europa \u2013 Harley Books<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Erythromma najas (1) est un Coenagrionidae aux yeux rouges, de taille moyenne (30 \u00e0 36 mm), assez commun sur les mares ensoleill\u00e9es, souvent pos\u00e9 sur les n\u00e9nuphars. Description &#8211; Identification Les m\u00e2les : les yeux sont rouges, sans taches postoculaires, les bandes ant\u00e9hum\u00e9rales sont absentes pour les sujets vraiment matures, bien visibles et courtes pour [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-24898","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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