{"version": "1.0", "type": "rich", "title": "Translucent caterpillar of the grass demon butterfly (Udaspes folus) playing host to a parasitic horsehair worm. (Photo by...", "author_name": "kontextmaschine", "author_url": "https://kontextmaschine.com", "provider_name": "kontextmaschine", "provider_url": "https://kontextmaschine.com", "url": "https://kontextmaschine.com/post/691113035279073280/", "html": "<img src=\"/media/c0d52875b8cc8ec662b3ba6b38e5ed19c502112a_7999cde81f7c.jpg\" />\n<p><a href=\"https://onenicebugperday.tumblr.com/post/689518598976323584/translucent-caterpillar-of-the-grass-demon\" class=\"tumblr_blog\" target=\"_blank\">onenicebugperday</a>:</p><blockquote><p>Translucent caterpillar of the grass demon butterfly (<i>Udaspes folus</i>) playing host to a parasitic horsehair worm. (Photo by <a href=\"https://www.inaturalist.org/observations/4213551\" target=\"_blank\">ygurjar</a>)</p><p>Adult horsehair worms are aquatic and free-living (do not require a host), but larvae are parasites of arthropods. The host is usually killed when the worm emerges after maturing.</p><p>Uninfected grass demon butterfly caterpillar:</p><figure class=\"tmblr-full\" data-orig-height=\"1155\" data-orig-width=\"2048\"><img src=\"/media/fec7600080a947f06a9fbd6b51b7ae0c13f5cafd_6587ad5a4611.jpg\" data-orig-height=\"1155\" data-orig-width=\"2048\"/></figure><p>Visible are the tracheae (respiratory tubes) radiating way from the spiracles (breathing holes), but no worms are present. (Photo by <a href=\"https://www.inaturalist.org/observations/58877517\" target=\"_blank\">aniruddha_singhamahapatra</a>)</p><p>Adult grass demon:</p><figure class=\"tmblr-full\" data-orig-height=\"1536\" data-orig-width=\"2048\"><img src=\"/media/7851c6208e0a7699c9a51f29e4dce20de407b712_ff21be3364fe.jpg\" data-orig-height=\"1536\" data-orig-width=\"2048\"/></figure><p>(Photo by <a href=\"https://www.inaturalist.org/observations/37708465\" target=\"_blank\">muzafar_riyaz</a>)</p></blockquote>", "thumbnail_url": "https://kontextmaschine.com/media/c0d52875b8cc8ec662b3ba6b38e5ed19c502112a_7999cde81f7c.jpg", "thumbnail_width": 1024, "thumbnail_height": 680}