''Chaeopsestis'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

genus belonging to the family

Drepaninae Drepaninae are by far the largest subfamily of the Drepanidae moths. While it is usually split into two tribes, Drepanini and Oretini, its internal systematics and phylogeny are not well resolved. Systematics The following list is provisional an ...

first described by

Ferdinand Le Cerf Ferdinand Le Cerf (3 October 1881, Paris – 1945, Paris) was a French entomologist who specialised in Lepidoptera. He was a ''préparateur'' or technician in the entomological laboratories of Muséum national d'histoire naturelle in Paris (where ...

in 1941. Its single species, ''Chaeopsestis ludovicae'', was described in the same paper. It is found in

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

and the Chinese provinces of

Jiangxi Jiangxi (; ; formerly romanized as Kiangsi or Chianghsi) is a landlocked province in the east of the People's Republic of China. Its major cities include Nanchang and Jiujiang. Spanning from the banks of the Yangtze river in the north int ...

Fujian Fujian (; alternately romanized as Fukien or Hokkien) is a province on the southeastern coast of China. Fujian is bordered by Zhejiang to the north, Jiangxi to the west, Guangdong to the south, and the Taiwan Strait to the east. Its capi ...

Guangdong Guangdong (, ), alternatively romanized as Canton or Kwangtung, is a coastal province in South China on the north shore of the South China Sea. The capital of the province is Guangzhou. With a population of 126.01 million (as of 2020) ...

and

Hainan Hainan (, ; ) is the smallest and southernmost province of the People's Republic of China (PRC), consisting of various islands in the South China Sea. , the largest and most populous island in China,The island of Taiwan, which is slightly l ...

. Adults are on wing from October to November. Adults drink the tears of several animals including humans ( lachryphagy). The moth attaches itself to the eyelid. It has also been recorded drinking sweat and fluids from the nose. (1992)
"Remarkable new cases of moths drinking human tears in Thailand (Lepidoptera: Thyatiridae, Sphingidae, Notodontidae)"
. ''Natural History Bulletin of the Siam Society''. 40: 92–102.

References

Thyatirinae Moths described in 1941 Taxa named by Ferdinand Le Cerf Drepanidae genera Monotypic moth genera {{Thyatirinae-stub