{
  "id": 17105777,
  "title": "Experimental study on moths supports the molecular cookie cutter idea proposed for butterflies",
  "url": "https://urgent.news/2026/10/29/experimental-study-on-moths-supports-the-molecular-cookie-cutter-idea",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-29T19:00:01.000Z",
  "source": {
    "name": "Phys.org",
    "slug": "phys-org",
    "url": "https://phys.org/news/2026-10-experimental-moths-molecular-cookie-cutter.html"
  },
  "original_language": "en",
  "account": "A recent study conducted by Andrei Sourakov, a lepidopterist at the Florida Museum of Natural History, has demonstrated that altering the development of moths through the addition of sulfated polysaccharides can significantly change their wing patterns. Specifically, Sourakov focused on the wings of luna (Actias luna) and polyphemus (Antheraea polyphemus) moths, where he was able to modify the wings' cryptic coloration to an aposematic, conspicuous pattern. This finding supports the molecular cookie cutter idea proposed for butterflies, as the wings of both moths and butterflies can undergo rapid transformations by simply expanding or contracting existing elements. Furthermore, the study revealed that eyespots on moth and butterfly wings evolved independently of each other, as their addition or deletion could be induced by the presence or absence of sulfated polysaccharides. The unique case of luna moths, which possess long hindwing tails, also presented an intriguing finding. In this species, the addition of heparin led to wider wing tails, a phenomenon that was initially attributed to the transformation of wing patterns. However, through further experimentation, Sourakov discovered that the wings' shape, rather than their patterns, was changing. This unexpected discovery sheds new light on the adaptability of moths and butterflies and highlights the crucial role that environmental factors play in their development.",
  "summary": "Have you ever thought about reinventing yourself? According to a new study on moths conducted by Andrei Sourakov, collection coordinator of Lepidoptera at the Florida Museum of Natural History and affiliate associate professor of entomology at the University of Florida, it's not as hard as you might think.",
  "key_points": [
    "Altering moth development with sulfated polysaccharides changes wing patterns.",
    "Luna moth's wing tails expand due to heparin, not pattern transformation.",
    "Eyespots evolve independently of each other in moths and butterflies."
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}