Macroglossum meeki is a moth

Moth

A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 of the Sphingidae

Sphingidae

Sphingidae is a family of moths , commonly known as hawk moths, sphinx moths and hornworms, that includes about 1,200 species . It is best represented in the tropics but there are species in every region . They are moderate to large in size and are distinguished among moths for their rapid,...

 family. It is known from Papua New Guinea

Papua New Guinea

Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...

.

The length of the forewings is about 27 mm. It is similar to Macroglossum passalus

Macroglossum passalus

Macroglossum passalus is a moth of the Sphingidae family. It is known from Sri Lanka, India, Thailand, south-eastern China, Taiwan, southern Japan, Indonesia and the Philippines....

and Macroglossum faro

Macroglossum faro

Macroglossum faro is a moth of the Sphingidae family. It is known from southern India, Thailand, south-eastern China, southern Japan , Vietnam, Malaysia and Indonesia ....

. The head upperside is slate-coloured, with a darker dorsal midline. The thorax upperside is olive green. The palpus underside is slaty grey, speckled with white. The underside of the thorax and legs is clayish ochre. The underside of both wings is walnut-brown and the distal borders are dark brown. The forewing underside is yellow at the extreme base. The hindwing upperside has an interrupted yellow band.