{"id":20040,"date":"2024-06-20T07:40:28","date_gmt":"2024-06-20T05:40:28","guid":{"rendered":"https:\/\/www.meslibellules.fr\/blog\/?p=20040"},"modified":"2024-06-26T13:14:23","modified_gmt":"2024-06-26T11:14:23","slug":"psaironeura-tenuissima","status":"publish","type":"post","link":"https:\/\/www.meslibellules.fr\/blog\/2024\/06\/20\/psaironeura-tenuissima\/","title":{"rendered":"P\u00e9rou &#8211; Psaironeura tenuissima (Selys, 1886)"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-1.webp\"><img decoding=\"async\" width=\"2005\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-1.webp\" alt=\"Psaironeura tenuissima m\u00e2les, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023\" class=\"wp-image-20038 lazyload\" style=\"--smush-placeholder-width: 2005px; --smush-placeholder-aspect-ratio: 2005\/1204;width:564px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-1.webp 2005w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-1-768x461.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-1-1536x922.webp 1536w\" data-sizes=\"(max-width: 2005px) 100vw, 2005px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Psaironeura tenuissima m\u00e2les, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023<\/figcaption><\/figure>\n\n\n\n<p>Quel spectacle que d&rsquo;observer ces m\u00e2les Psaironeura tenuissima (Protoneuridae) lutter pour leur territoire, dans l&rsquo;ombre de la for\u00eat amazonienne, au-dessus d&rsquo;un petit ruisseau ! Ils sont extr\u00eamement fins et souvent, on ne les rep\u00e8re quand par la tache rouge de leur thorax ou de leurs derniers segments qui semble errer dans les airs.<br>Selys (1) a d\u00e9crit l&rsquo;esp\u00e8ce sous le nom de Protoneura tenuissima et lui donne 25 \u00e0 27 mm pour l&rsquo;abdomen, ce qui fait en moyen 29.5 mm de longueur totale. La proportion abdomen \/ thorax est vraiment incroyable puisque ce dernier fait moins de 4 mm de long. L&rsquo;abdomen, dans sa partie la plus \u00e9troite, atteint 0.6 mm de diam\u00e8tre.<\/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\/Psaironeura-tenuissima-male-1.webp\"><img decoding=\"async\" width=\"1997\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-1.webp\" alt=\"Psaironeura tenuissima m\u00e2le, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023\" class=\"wp-image-20033 lazyload\" style=\"--smush-placeholder-width: 1997px; --smush-placeholder-aspect-ratio: 1997\/1204;width:633px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-1.webp 1997w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-1-768x463.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-1-1536x926.webp 1536w\" data-sizes=\"(max-width: 1997px) 100vw, 1997px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Psaironeura tenuissima m\u00e2le, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023<\/figcaption><\/figure>\n\n\n\n<p>Ce genre cr\u00e9\u00e9 par Williamson (1917) (2) ne compte actuellement que six esp\u00e8ces, dont deux seulement en Am\u00e9rique du Sud (3). Ils sont tr\u00e8s rarement observ\u00e9s. Sur Inaturalist, si on exclut les observations de Tim Faasen, qui a \u00e9cum\u00e9 la zone que nous prospections, et les n\u00f4tres, l&rsquo;esp\u00e8ce n&rsquo;a \u00e9t\u00e9 photographi\u00e9e que 4 fois depuis 2002.<br>J&rsquo;avais rencontr\u00e9 <a href=\"https:\/\/www.meslibellules.fr\/voyages\/panama\/psaironeura-angeloi\/psaironeura-angeloi-male-1\/psaironeura-angeloi-male-1big.jpg\">P. angeloi<\/a> au Panama en 2012.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-3.webp\"><img decoding=\"async\" width=\"1972\" height=\"1204\" data-id=\"20035\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-3.webp\" alt=\"Psaironeura tenuissima m\u00e2le, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023\" class=\"wp-image-20035 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-3.webp 1972w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-3-768x469.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-3-1536x938.webp 1536w\" data-sizes=\"(max-width: 1972px) 100vw, 1972px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1972px; --smush-placeholder-aspect-ratio: 1972\/1204;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-2.webp\"><img decoding=\"async\" width=\"2066\" height=\"1204\" data-id=\"20034\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-2.webp\" alt=\"Psaironeura tenuissima m\u00e2le, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023\" class=\"wp-image-20034 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-2.webp 2066w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-2-768x448.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-2-1536x895.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-2-2048x1194.webp 2048w\" data-sizes=\"(max-width: 2066px) 100vw, 2066px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 2066px; --smush-placeholder-aspect-ratio: 2066\/1204;\" \/><\/a><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">Psaironeura tenuissima m\u00e2le, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023<\/figcaption><\/figure>\n\n\n\n<p>Psaironeura tenuissima, comme ses cong\u00e9n\u00e8res, vit dans l&rsquo;ombre de la for\u00eat humide, sur des petits ruisseaux, mais sa biologie reste \u00e0 d\u00e9couvrir. Voici pr\u00e9cis\u00e9ment <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/22-08-23-biotope-psaironeura.webp\">son biotope<\/a>.<br>Il montre une large distribution dans le nord de l&rsquo;Am\u00e9rique du Sud : on le rencontre en \u00c9quateur, au P\u00e9rou, en Colombie, au Guyana, au Suriname, en Guyane Fran\u00e7aise et dans les \u00e9tats Br\u00e9siliens du nord.<br><a href=\"https:\/\/www.iucnredlist.org\/species\/49254712\/49256721\">IUCN Red List<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-4.webp\"><img decoding=\"async\" width=\"2004\" height=\"586\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-4.webp\" alt=\"Psaironeura tenuissima m\u00e2le, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023\" class=\"wp-image-20036 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-4.webp 2004w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-4-768x225.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-4-1536x449.webp 1536w\" data-sizes=\"(max-width: 2004px) 100vw, 2004px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 2004px; --smush-placeholder-aspect-ratio: 2004\/586;\" \/><\/a><figcaption class=\"wp-element-caption\">Psaironeura tenuissima m\u00e2le, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:43% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-5.webp\"><img decoding=\"async\" width=\"940\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-5.webp\" alt=\"Psaironeura tenuissima m\u00e2le, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023\" class=\"wp-image-20037 size-full lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-5.webp 940w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-male-5-768x984.webp 768w\" data-sizes=\"(max-width: 940px) 100vw, 940px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 940px; --smush-placeholder-aspect-ratio: 940\/1204;\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Psaironeura<\/strong>, n&rsquo;est pas pr\u00e9cis\u00e9ment explicit\u00e9 par Williamson, mais il \u00e9crit : \u00ab\u00a0The new generic names are suggestive of the manner of flight of these insects. Les nouveaux noms de genre [Williamson en cr\u00e9e 3] sugg\u00e8rent le mode de vol de ces insectes. Seulement, je n&rsquo;ai pas r\u00e9ussi \u00e0 trouver ce que signifie \u00ab\u00a0psairo\u00a0\u00bb&#8230; Neura, du grec <em>neuro<\/em>, signifie nerf ou veine et se rapporte \u00e0 la nervation alaire et au genre d&rsquo;origine dont il est issu, Protoneura (1).<\/p>\n\n\n\n<p><strong>Tenuissima<\/strong>, un superlatif de tenuis, -mince, maigre, fin. Bien que cela ne soit pas expliqu\u00e9 par Selys ce qualificatif se r\u00e9f\u00e8re certainement \u00e0 l&rsquo;aspect g\u00e9n\u00e9ral du sp\u00e9cimen, extr\u00eamement \u00e9lanc\u00e9 et fin.<\/p>\n\n\n\n<p style=\"font-size:14px\">Psaironeura tenuissima m\u00e2le, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023<\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:19px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"font-size:13px\"><\/p>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\" style=\"grid-template-columns:auto 55%\"><div class=\"wp-block-media-text__content\">\n<p style=\"font-size:13px\">1- SELYS-LONGCHAMPS, E. de, 1886. <a href=\"https:\/\/www.persee.fr\/doc\/marb_0770-8459_1886_num_38_1_2330#marb_0770-8459_1886_num_38_1_T5_0227_0000\">R\u00e9vision du synopsis des agrionines, premiere partie comprenant les legions Pseudostigma-Podagrion-Platycnemis et Protonevra. <\/a>Mem. Acad. roy. Belg. 38: 1-233 (p 217)<br>2- Williamson, E.B. (1915) <a href=\"https:\/\/repository.si.edu\/bitstream\/handle\/10088\/14541\/USNMP-48_2089_1915.pdf?sequence=1&amp;isAllowed=y\">Notes on neotropical dragonflies or Odonata. Entomological news<\/a>, 27, 30\u201333.<br>3- Rosser William Garrison, An analysis of the Psaironeura tenuissima complex, including synonymy of P. machadoi De Marmels with P. bifurcata Sj\u00f6stedt (Odonata: Protoneuridae), March 2004, Odonatologica 33(1):83-89<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-2.webp\"><img decoding=\"async\" width=\"2389\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-2.webp\" alt=\"Psaironeura tenuissima m\u00e2les, P\u00e9rou, San Pedro (Chino), Terra Firme, 22\/08\/2023\" class=\"wp-image-20039 size-full lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-2.webp 2389w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-2-768x387.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-2-1536x774.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Psaironeura-tenuissima-males-en-vol-2-2048x1032.webp 2048w\" data-sizes=\"(max-width: 2389px) 100vw, 2389px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 2389px; --smush-placeholder-aspect-ratio: 2389\/1204;\" \/><\/a><\/figure><\/div>\n\n\n\n<div style=\"height:30px\" 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\/odonates-du-perou-peruvian-odonates\/\">Accueil P\u00e9rou<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Quel spectacle que d&rsquo;observer ces m\u00e2les Psaironeura tenuissima (Protoneuridae) lutter pour leur territoire, dans l&rsquo;ombre de la for\u00eat amazonienne, au-dessus d&rsquo;un petit ruisseau ! Ils sont extr\u00eamement fins et souvent, on ne les rep\u00e8re quand par la tache rouge de leur thorax ou de leurs derniers segments qui semble errer dans les airs.Selys (1) a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","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":""},"categories":[1],"tags":[],"class_list":["post-20040","post","type-post","status-publish","format-image","hentry","category-non-classe","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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