''Dialectica geometra'' is a

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 ...

of the family

Gracillariidae Gracillariidae is an important family of insects in the order Lepidoptera and the principal family of leaf miners that includes several economic, horticultural or recently invasive pest species such as the horse-chestnut leaf miner, ''Cameraria ...

. It is known from

Hong Kong Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

(the Ryukyu Islands),

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

(West Bengal, Tamil Nadu, Bihar, Delhi and Uttar Pradesh) and

Réunion Réunion (; ; ; known as before 1848) is an island in the Indian Ocean that is an overseas departments and regions of France, overseas department and region of France. Part of the Mascarene Islands, it is located approximately east of the isl ...

. It has recently been recorded from

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingsp ...

is 6.5–8.2 mm.Japanese species of the Acrocercops-group (Lepidoptera: Gracillariidae). Part I
/ref> The

larva A larva (; : larvae ) is a distinct juvenile form many animals undergo before metamorphosis into their next life stage. Animals with indirect development such as insects, some arachnids, amphibians, or cnidarians typically have a larval phase ...

e feed on '' Cordia amplifolia'', ''

Cordia myxa ''Cordia myxa'', the Assyrian plum, is a mid-sized, deciduous tree in the borage family (Boraginaceae), native to Asia. It produces small, edible fruit and is found in warmer areas across Africa and Asia. Other common names in various language ...

'', ''

Ehretia laevis ''Ehretia'' is a genus of flowering plants in the borage family, Boraginaceae. It contains 66 species native to the tropics and subtropics of the Americas, sub-Saharan Africa, Asia, Papuasia, and Australia. The generic name honors German botanica ...

'' and ''

Ehretia ''Ehretia'' is a genus of flowering plants in the borage family, Boraginaceae. It contains 66 species native to the tropics and subtropics of the Americas, sub-Saharan Africa, Asia, Papuasia, and Australia. The generic name honors German botan ...

'' species, including '' Ehretia microphylla''. They

mine Mine, mines, miners or mining may refer to: Extraction or digging *Miner, a person engaged in mining or digging *Mining, extraction of mineral resources from the ground through a mine Grammar *Mine, a first-person English possessive pronoun M ...

the leaves of their host plant.

References

Moths described in 1916 Dialectica (moth) Moths of Asia Moths of Japan Moths of Africa {{Acrocercopinae-stub