{"id":5847,"date":"2025-08-05T11:02:51","date_gmt":"2025-08-05T11:02:51","guid":{"rendered":"https:\/\/pawel.stefanoff.pl\/bugs\/?p=5847"},"modified":"2026-07-03T19:05:22","modified_gmt":"2026-07-03T19:05:22","slug":"2025-08-evasive-nature-of-the-oedionychina-flea-beetle-en","status":"publish","type":"post","link":"https:\/\/pawel.stefanoff.pl\/bugs\/posts\/2025-08-evasive-nature-of-the-oedionychina-flea-beetle-en\/","title":{"rendered":"You see me, now you don&#8217;t: The evasive nature of the Oedionychina flea beetle"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Deep within the damp understory of the La Perla protected forest\u2014a preserved at great effort remnant of the primeval forest in Ecuador\u2019s Santo Domingo province\u2014I crossed paths with a striking little leaf beetle (family: <em>Chrysomelidae<\/em>) that instantly demanded a closer look. This flea beetle, with its black and reddish elytra, likely belongs to the subtribe <em>Oedionychina<\/em>. What truly distinguishes these beetles under a macro lens is their comically hypertrophied hind legs. Their enormously swollen femora (thighs) house a specialized, spring-like mechanism known as the metafemoral spring. This internal architecture allows them to launch themselves into the air with explosive velocity at the slightest hint of danger\u2014turning a painstaking macro composition into a game of hide-and-seek. I had only a short time to adjust the camera settings, before he vanished without me even noticing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Deep within the damp understory of the La Perla protected forest\u2014a preserved at great effort remnant of the primeval forest [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5849,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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