Troides helena cerberus (Linnaeus, 1758)
The Common Birdwing – ผีเสื้อถุงทองป่าสูง
♂ form eumagos – Chae Son, Lampang, 13 March 2015
Khao Phanom Bencha, Krabi – 30 November 2016
Chiang Dao, Chiang Mai – 15 February 2015
This species is protected in Thailand, according to Ministerial Regulation No. 4, 1995, under the Wild Animal Preservation and Protection Act 1992, Article 6.