Mangina argus is a moth of the family Erebidae. It is found in south-east Asia, including Zhejiang, Fujian, Jiangxi, Guangxi, Guangdong, Yunnan, Taiwan, Hunan, from southern India to Kashmir, the Himalayas, Nepal, Bhutan and Sri Lanka.
Sosxetra grata is a moth in the subfamily Calpinae. It s found in cloudforest from Costa Rica to Peru, and also in Belize. Most moths in the subfamily Calpinae have proboscises that are modified to enable them to pierce and feed on fruit.
Truth be told, though, its most shocking feature is a funny squeak.
Many insects make noise by rubbing together external body parts like wings and legs. But internally produced insect sounds are much rarer, and squeaky noises are known only in some hawk moths.
How death’s head moths, named for a skull-and-crossbones pattern on their heads, make such a sound has long been a puzzle.
Now, after recording the moth’s internal sound system in action for the first time, scientists have an answer: A two-part, accordion-like system whose rapid movements produce sound…