{"id":30008,"date":"2026-07-10T16:16:31","date_gmt":"2026-07-10T14:16:31","guid":{"rendered":"https:\/\/www.meslibellules.fr\/blog\/?page_id=30008"},"modified":"2026-07-10T16:16:32","modified_gmt":"2026-07-10T14:16:32","slug":"platycnemis-acutipennis","status":"publish","type":"page","link":"https:\/\/www.meslibellules.fr\/blog\/platycnemis-acutipennis\/","title":{"rendered":"Platycnemis acutipennis Selys, 1841"},"content":{"rendered":"\n
\"Platycnemis<\/a>
Platycnemis acutipennis m\u00e2le, Le Fuilet (F-49), 16\/06\/2011<\/figcaption><\/figure>\n\n\n\n

Platycnemis acutipennis, Platycnemididae, est un plaisant zygopt\u00e8re dont la coloration orang\u00e9e des m\u00e2les matures facilite l'identification. Il appartient \u00e0 une immense famille qui compte 494 esp\u00e8ces actuellement, absente du Nouveau-Monde et tr\u00e8s pr\u00e9sente en Asie du Sud-Est et en Oc\u00e9anie, dont les individus sont parfois tr\u00e8s proches et difficiles \u00e0 identifier.ce<\/p>\n\n\n\n

Description - Identification de Platycnemis acutipennis<\/span><\/span><\/h3>\n\n\n\n

Le m\u00e2le<\/strong><\/span> mesure 35 \u00e0 37 mm au total et est sur ce point tr\u00e8s proche de ses deux cousins europ\u00e9ens, P. pennipes et P. latipes.
On retrouve la t\u00eate large aux yeux tr\u00e8s \u00e9cart\u00e9s des Platycnemis avec une large bande interoculaire sombre. Ces yeux <\/strong><\/a>sont partiellement bleus ou bleuissants.
Le thorax porte une large bande sombre de part et d'autre de la car\u00e8ne dorsale mais surtout, comme nos deux autres Platycnemis, deux lignes sombres lat\u00e9rales souvent qualifi\u00e9es de double bande ant\u00e9hum\u00e9rale<\/strong><\/em> ; mais pour cette esp\u00e8ce la ligne inf\u00e9rieure est tr\u00e8s souvent incompl\u00e8te<\/strong> ou att\u00e9nu\u00e9e<\/strong><\/a> (celle de P. pennipes est toujours compl\u00e8te, celle de P. latipes peut \u00eatre incompl\u00e8te).
Les ailes sont \u00e9troites, plus que celles de P. pennipes, mais pour appr\u00e9cier ce genre de d\u00e9tail, il faut voir les deux esp\u00e8ces en m\u00eame temps.
Contrairement aux deux autres Platycnemis, l<\/a>es tibias de Platycnemis acutipennis<\/strong><\/a> ne sont pas sensiblement \u00e9largis.
L'abdomen est orang\u00e9 (<\/strong>ce qui lui vaut le nom fran\u00e7ais d'Agrion orang\u00e9 <\/em>ou Orange Featherleg en anglais), <\/em>portant tout au plus des paires de marques noires sur les segments 7 \u00e0 9 (rarement absentes).<\/p>\n\n\n\n

\"Platycnemis<\/a>
Platycnemis acutipennis m\u00e2le, Beaupr\u00e9au en Mauges (France-49), 24\/05\/2012<\/figcaption><\/figure>\n\n\n\n
<\/div>\n\n\n\n
\"Platycnemis<\/a><\/figure>
\n

Les appendices anaux sup\u00e9rieurs, les cerques, sont pourvus d'un lobe sup\u00e9rieur plus long que l'inf\u00e9rieur, ce que l'on voit mieux sur les appendices droits de ce sujet et que l'on retrouve tout \u00e0 fait sur les dessins ci-dessous issus de Dijkstra et al. (2020).<\/p>\n<\/div><\/div>\n\n\n\n

<\/div>\n\n\n\n
\"Appendices<\/a>
Appendices anaux des Platycnemis fran\u00e7ais, Dijkstra et al., 2020<\/figcaption><\/figure>\n\n\n\n

Les femelles<\/strong><\/span> montrent un abdomen brun-orang\u00e9, la ligne inf\u00e9rieure de la double bande ant\u00e9hum\u00e9rale est assez souvent \u00e0 peine marqu\u00e9e et\/ou incompl\u00e8te. Elles sont moins typ\u00e9es que les m\u00e2les et souvent difficiles \u00e0 s\u00e9parer des autres femelles Platycnemis. Mais les tibias post\u00e9rieurs des \u2640 Platycnemis acutipennis<\/a> ne sont pas dilat\u00e9s <\/strong>et portent une ligne sombre de longueur variable.<\/strong><\/p>\n\n\n\n

\"Platycnemis<\/a>
Platycnemis acutipennis femelle, le Fuilet (F-49), 01\/07\/2012<\/figcaption><\/figure>\n\n\n\n
<\/div>\n\n\n\n
\"\"<\/figure>
\n

On ne peut arbitrer ces identifications que par de tr\u00e8s bonnes photos du pronotum en vue post\u00e9rieure, et sur ce point, les femelles P. acutipennis montrent des \u00e9pines tr\u00e8s lat\u00e9rales assez visibles<\/em>. Mais attention, autant il est possible de constater leur pr\u00e9sence, autant il est difficile de prouver leur absence sur photo. On parle ici de structures qui n'atteignent que quelques dixi\u00e8mes de millim\u00e8tres, et qui ne sont visibles que sous certains angles. Le fait de ne pas parvenir \u00e0 les voir ne signifie pas toujours qu'elles ne sont pas l\u00e0 !
En r\u00e9sum\u00e9, identifier les femelles Platycnemis acutipennis n\u00e9cessite de voir les pattes et le pronotum<\/strong>.<\/p>\n<\/div><\/div>\n\n\n\n

<\/div>\n\n\n\n

J'ai consacr\u00e9 2 pages \u00e0 l'identification diff\u00e9rentielle des femelles Platycnemis :
\u2013 L'une consacr\u00e9e aux pattes et bandes ant\u00e9hum\u00e9rales<\/a>.
\u2013 L'autre au pronotum<\/a>.

Une remarque \u00e0 propos du dessin ci-dessous : les \"\u00e9pines\" des femelles P. latipes sont tr\u00e8s difficiles \u00e0 observer sur photo.<\/p>\n\n\n\n

\"Vue<\/a>
Vue post\u00e9rieure des pronotum des \u2640 Platycnemis d'apr\u00e8s Dijkstra et al.<\/figcaption><\/figure>\n\n\n\n

Habitat et distribution g\u00e9ographique<\/span><\/h3>\n\n\n\n

Il accepte toutes sortes d'habitats aux eaux courantes ou stagnantes ; il est tr\u00e8s commun le long des petites rivi\u00e8res et des argili\u00e8res de ma r\u00e9gion, mais on le trouve \u00e9galement pr\u00e8s des mares, foss\u00e9s, \u00e9tangs, pour peu que la v\u00e9g\u00e9tation rivulaire soit suffisante.
C'est une esp\u00e8ce de plaine, mais on l'a observ\u00e9e dans les contreforts du Massif Central, \u00e0 plus de 1100 m\u00e8tres d'altitude (Grand et Boudot, 2006).

End\u00e9mique du sud-ouest de l'Europe, sa distribution est limit\u00e9e \u00e0 la moiti\u00e9 ouest et sud de la France, \u00e0 l'Espagne et au Portugal.
Atlas dynamique des Odonates de France<\/a>.
IUCN Red List<\/a>.<\/p>\n\n\n\n

P\u00e9riode de vol<\/span><\/span><\/h3>\n\n\n\n

En France, il n'appara\u00eet pas avant la mi-avril, il dispara\u00eet en septembre, mais les plus grosses populations, parfois tr\u00e8s abondantes, se rencontrent en mai, juin et juillet.

Noter sur la femelle ci-dessous les traits sombres sur tout l'abdomen, la bande ant\u00e9hum\u00e9rale inf\u00e9rieure marqu\u00e9e mais incompl\u00e8te ; la quantit\u00e9 de noir est en effet tr\u00e8s variable.<\/em><\/p>\n\n\n\n

\"Agrion<\/a><\/figure>\n\n\n\n

Comportement - \u00c9cologie<\/span><\/span><\/h3>\n\n\n\n

Les m\u00e2les, bien visibles par contraste dans la v\u00e9g\u00e9tation rivulaire, sont moins actifs et moins agressifs que leurs cousins P. pennipes. On les voit parcourir les eaux de fa\u00e7on d\u00e9cid\u00e9e, \u00e0 la recherche de femelles. Apr\u00e8s l'accouplement, la ponte se d\u00e9roule en tandem, (rarement seule) la femelle ins\u00e9rant ses \u0153ufs dans les v\u00e9g\u00e9taux ou les bois flottants.
L'esp\u00e8ce est univoltine<\/a> (Cano Villegas, 2011), elle semble m\u00eame strictement univoltine, y compris dans le sud de son aire.<\/p>\n\n\n\n

\u00c9tymologi<\/span>e<\/span><\/span> Platycnemis acutipennis<\/span><\/h3>\n\n\n\n

Dans son ouvrage de 1841, Selys compare Platycnemis acutipennis \u00e0 Platycnemis platypoda<\/em> (Vander, Linden, 1820), notre Platycnemis pennipes, avant que cette derni\u00e8re esp\u00e8ce ne soit restitu\u00e9e \u00e0 son descripteur initial, Pallas, 1771.

Platycnemis<\/strong> du grec platy pour large et knemis pour gu\u00eatre<\/em> (que l'on place sur la jambe, sur le tibia) ce qui traduit le large tibia de ce genre.
Acutipennis<\/strong> du latin acutus<\/em> pour aigu, pointu,<\/em> et du latin penna<\/em> qui repr\u00e9sente une grosse plume des oiseaux. Litt\u00e9ralement, acutipennis<\/em> signifierait \"plume pointue, effil\u00e9e\" pour dire \"aile \u00e9troite\" et souligner ainsi que l'aile de cette esp\u00e8ce est plus fine, moins large, que celle de P. pennipes.<\/p>\n\n\n\n

<\/div>\n\n\n\n
\n
M\u00e2les<\/a><\/div>\n\n\n\n
Femelles<\/a><\/div>\n<\/div>\n\n\n\n
<\/div>\n\n\n\n
\n
Pronotum \u2640 P. acutipennis<\/a><\/div>\n\n\n\n
Pronotum des \u2640 Platycnemis<\/a><\/div>\n\n\n\n
Discrimination des \u2640 P. acutipennis et pennipes<\/a><\/div>\n<\/div>\n\n\n\n
<\/div>\n\n\n\n
\n
Accouplement<\/a><\/div>\n\n\n\n
Ponte<\/a><\/div>\n\n\n\n
Ponte mixte<\/a><\/div>\n<\/div>\n\n\n\n
<\/div>\n\n\n\n
\n
Vid\u00e9o<\/a><\/div>\n\n\n\n
Curiosit\u00e9s<\/a><\/div>\n\n\n\n
Galerie<\/a><\/div>\n<\/div>\n\n\n\n
<\/div>\n\n\n\n

Cano Villegas, F. J., 2011<\/strong> Odonatos de C\u00f3rdoba<\/a><\/em>. Sociedad Cordobesa de Historia Natural.
Dijkstra, K.-D.B., A. Schr\u00f6ter & R. Lewington. 2020<\/strong>. Field Guide to the Dragonflies of Britain and Europe. Second edition<\/em>. Bloomsbury Publishing, London
Daniel Grand et Jean-Pierre Boudot, 2006<\/strong>. Les Libellules de France, Belgique et Luxembourg<\/em>, collection Parth\u00e9nope.
Selys, 1841<\/strong>- Nouvelles Libellulid\u00e9es d'Europe<\/em><\/a> - Analyse de l'ouvrage du Dr Hagen. Revue zoologique, Soci\u00e9t\u00e9 Cuvierienne, 4, 243-246.<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Platycnemis acutipennis, Platycnemididae, est un plaisant zygopt\u00e8re dont la coloration orang\u00e9e des m\u00e2les matures facilite l'identification. Il appartient \u00e0 une immense famille qui compte 494 esp\u00e8ces actuellement, absente du Nouveau-Monde et tr\u00e8s pr\u00e9sente en Asie du Sud-Est et en Oc\u00e9anie, dont les individus sont parfois tr\u00e8s proches et difficiles \u00e0 identifier.ce Description - Identification de […]<\/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-30008","page","type-page","status-publish","hentry"],"yoast_head":"\nPlatycnemis acutipennis - Mes Libellules<\/title>\n<meta name=\"description\" content=\"Platycnemis acutipennis \u2642 et \u2640, description, identification, esp\u00e8ces voisines, taille, habitat, distribution g\u00e9ographique, \u00e9tymologie\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.meslibellules.fr\/blog\/platycnemis-acutipennis\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Platycnemis acutipennis - Mes Libellules\" \/>\n<meta property=\"og:description\" content=\"Platycnemis acutipennis \u2642 et \u2640, description, identification, esp\u00e8ces voisines, taille, habitat, distribution g\u00e9ographique, \u00e9tymologie\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.meslibellules.fr\/blog\/platycnemis-acutipennis\/\" \/>\n<meta property=\"og:site_name\" content=\"Mes Libellules\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/benoit.guillon.96\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-10T14:16:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Platycnemis-acutipennis-male-accueil.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"2803\" \/>\n\t<meta property=\"og:image:height\" content=\"1504\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.meslibellules.fr\\\/blog\\\/platycnemis-acutipennis\\\/\",\"url\":\"https:\\\/\\\/www.meslibellules.fr\\\/blog\\\/platycnemis-acutipennis\\\/\",\"name\":\"Platycnemis acutipennis - 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