{"product_id":"antheraea-yamamai-cocoons","title":"Japanese Oak Silk-Moth COCOONS (Antheraea yamamai)","description":"\u003cp\u003e\u003cem\u003eAntheraea yamamai\u003c\/em\u003e, commonly known as the Japanese silk moth or yamamai silkmoth, is a large and striking moth in the family Saturniidae. Native to East Asia, particularly Japan, Korea, and parts of China, it is known for its cultural and economic significance in the silk trade as well as its ecological role in forest ecosystems.\u003c\/p\u003e\n\u003cp\u003eThis moth is renowned for producing \u003cem\u003eTussar silk\u003c\/em\u003e, which has been cultivated in Japan for over a millennium. The silk is prized for its unique luster, durability, and natural golden-yellow or green colour, making it highly sought after for luxury textiles.\u003c\/p\u003e\n\u003cp\u003eThe adult \u003cem\u003eAntheraea yamamai\u003c\/em\u003e is notable for its robust size, with a wingspan of 15 cm or more, and its varied wings in shades of yellow or brown and adorned with distinct eye spots. The moths are nocturnal and do not feed as adults, surviving on energy reserves accumulated during the larval stage. The caterpillars are large and green, feeding on oak leaves. Curiously, the eggs are laid in late summer of early autumn and overwinter until the following spring when buds open on their host plants.\u003c\/p\u003e\n\u003cdiv class=\"flex max-w-full flex-col flex-grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3ce1af34-053b-4fb3-8728-01216c75accc\" dir=\"auto\" class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+\u0026amp;]:mt-5\" data-message-model-slug=\"gpt-4o\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cp\u003eAlthough cultivated populations are maintained for silk production, wild populations face threats from habitat destruction and environmental changes. Conservation efforts focus on preserving natural habitats and sustaining the genetic diversity of both wild and domesticated \u003cem\u003eAntheraea yamamai\u003c\/em\u003e populations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDifficulty - \u003c\/strong\u003eEasy (2\/10)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eHost plants - \u003c\/strong\u003eOak, Birch, Willow, Hawthorn, Alder, Sweet Gum, fruit trees like Cherry, Plum and Apple.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConditions - \u003c\/strong\u003eRoom temperature; eggs must be stored cold over winter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLifecycle - \u003c\/strong\u003eSingle brooded; eggs remain dormant until early spring.\u003c\/p\u003e","brand":"Bugs \u0026 Butterflies UK","offers":[{"title":"2 Cocoons \/ Summer 2026","offer_id":53596263645532,"sku":"","price":14.5,"currency_code":"GBP","in_stock":true},{"title":"5 Cocoons \/ Summer 2026","offer_id":53596263678300,"sku":"","price":32.5,"currency_code":"GBP","in_stock":true},{"title":"10 Cocoons \/ Summer 2026","offer_id":53596263711068,"sku":"","price":59.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0868\/8671\/1644\/files\/Antheraea_yamamai_female.jpg?v=1758054987","url":"https:\/\/bugsandbutterflies.uk\/products\/antheraea-yamamai-cocoons","provider":"Bugs \u0026 Butterflies UK","version":"1.0","type":"link"}