''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 "unisp ...

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

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 A phylogenetic tree or phylogeny is a graphical representation whi ...

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, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

and the Chinese provinces of

Jiangxi ; Gan: ) , translit_lang1_type2 = , translit_lang1_info2 = , translit_lang1_type3 = , translit_lang1_info3 = , image_map = Jiangxi in China (+all claims hatched).svg , mapsize = 275px , map_caption = Location ...

Fujian Fujian is a provinces of China, province in East China, southeastern 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 capital is Fuzhou and its largest prefe ...

Guangdong ) means "wide" or "vast", and has been associated with the region since the creation of Guang Prefecture in AD 226. The name "''Guang''" ultimately came from Guangxin ( zh, labels=no, first=t, t= , s=广信), an outpost established in Han dynasty ...

and

Hainan Hainan is an island provinces of China, province and the southernmost province of China. It consists of the eponymous Hainan Island and various smaller islands in the South China Sea under the province's administration. The name literally mean ...

. 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