Notre auberge se trouvait pr\u00e8s de la rivi\u00e8re Sarapiqui, \u00e0 quelque distance de la ville la plus proche. J’ai \u00e9t\u00e9 fascin\u00e9 par ces fourmis coupe-feuille qui avaient nettoy\u00e9 un arbuste assez important. J’aurais bien aim\u00e9 avoir quelques accessoires pour la macro.<\/p>\n
Et puis je suis devenu curieux – voil\u00e0 ce que j’ai trouv\u00e9 sur le net :<\/p>\n
Les fourmis coupe-feuille ont de puissantes m\u00e2choires qui vibrent des milliers de fois par seconde pour trancher des morceaux de feuilles. Par rapport \u00e0 leur taille, leur corps est \u00e9tonnamment puissant, capable de porter des morceaux de feuille pesant au moins 20 fois leur propre poids corporel – c’est \u00e9quivalent \u00e0 un \u00eatre humain portant une charge d’une tonne. Comme les abeilles, leurs colonies contiennent diff\u00e9rents types de travailleurs. Les soldats coupe-feuille ont d’\u00e9normes m\u00e2choires, assez fortes pour couper le cuir, les jardinni\u00e8res coupe-feuille travaillent sous terre et traitent les morceaux de feuille apport\u00e9es par les moissonneuses. Le nid contient une seule reine et c’est elle qui pond tous les oeufs n\u00e9cessaires pour les nouveaux travailleurs pour maintenir la colonie.<\/p>\n
Il est \u00e0 noter que ces fourmis ne peuvent consommer ces feuilles. Elles sont utilis\u00e9es pour la culture d’un champignon dont elles se nourrissent.<\/p>\n
Sarapiqui, Costa Rica, ao\u00fbt 2010<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
Notre auberge se trouvait pr\u00e8s de la rivi\u00e8re Sarapiqui, \u00e0 quelque distance de la ville la plus proche. J’ai \u00e9t\u00e9 fascin\u00e9 par ces fourmis coupe-feuille qui avaient nettoy\u00e9 un arbuste assez important. J’aurais bien aim\u00e9 avoir quelques accessoires pour la macro. Et puis je suis devenu curieux – voil\u00e0 ce que j’ai trouv\u00e9 sur le […]<\/p>\n","protected":false},"author":1,"featured_media":7140,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[88,7],"tags":[276],"class_list":["post-1966","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-costa-rica-amerique","category-portfolio","tag-costa-rica-fr"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/patosan.com\/wp-content\/uploads\/2011\/05\/Costa-Rica-1876.jpg?fit=1024%2C681&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p1yFuS-vI","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":1384,"url":"https:\/\/patosan.com\/red-eyed-tree-frog-tortuguero-costa-rica\/","url_meta":{"origin":1966,"position":0},"title":"Red-Eyed Tree Frog, Tortuguero, Costa Rica","author":"Patosan","date":"30 avril 2011","format":false,"excerpt":"This is one picture I really wanted to take during this trip in Costa Rica. 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I got fascinated by these leaf-cutter ants that had cleaned up a fairly large shrub. I wished I had some macro equipment. 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