''Macroglossum particrolo'' is a

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 ...

of the family

Sphingidae The Sphingidae are a family of moths ( Lepidoptera) called sphinx moths, also colloquially known as hawk moths, with many of their caterpillars known as “hornworms”; it includes about 1,450 species. It is best represented in the tropics, ...

. It is known from

India India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...

and

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

. The upper side of the body and forewing is drab grey. The head and thorax upper side has a russet-brown mesial line. The abdomen has three rather small orange side patches, not separated from each other. The underside of the palpus is greyish-white, with a white side line. The thorax underside is grey, shaded with wood-brown. The abdomen underside is entirely wood-brown. The forewing upperside is drab grey. Both wing undersides are yellowish brown, shaded with grey, with the distal border brown. The base and broad distal border of the hindwing upperside are blackish brown and somewhat olive. The inner area of the hindwing underside is Yellow.

References

Macroglossum Moths described in 1903 Moths of Sri Lanka Taxa named by Walter Rothschild {{Macroglossum-stub