Chrysocercops malayana 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 Gracillariidae

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 ohridella....

 family. It is known from Malaysia (Negeri Sembilan, Pahang and Selangor).

The wingspan

Wingspan

The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...

 is 5-7 mm.

The larva

Larva

A larva is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle...

e feed on Shorea

Shorea

Shorea is a genus of about 196 species of mainly rainforest trees in the family Dipterocarpaceae. The genus is named after Sir John Shore, the Governor-General of the British East India Company, 1793-1798. They are native to southeast Asia, from Northern India to Malaysia, Indonesia and the...

species, including Shorea acuminata

Shorea acuminata

Shorea acuminata is a species of plant in the Dipterocarpaceae family. It is endemic to Malaysia...

, Shorea bracteolata

Shorea bracteolata

Shorea bracteolata is a species of plant in the Dipterocarpaceae family. The species name bracteolata is derived from Latin and refers to the persistent bracteoles of the inflorescence.-Description:...

and Shorea leprosula

Shorea leprosula

-General Description:Trees up to 60 meter high; approximate 100 cm in diameter; bark greyish brown, shallowly fissured, V-shaped. Outer bark dull purple brown, rather hard, brittle, inner bark fibrous, dull brown or yellowish brown grading to pale at the cambium, sapwood pale or cream, resinous,...

. They mine

Leaf miner

Leaf miner is a term used to describe the larvae of many different species of insect which live in and eat the leaf tissue of plants. The vast majority of leaf-mining insects are moths , sawflies and flies , though some beetles and wasps also exhibit this behavior.Like Woodboring beetles, leaf...

 the leaves of their host plant. The mine is very similar to those of Chrysocercops thapai

Chrysocercops thapai

Chrysocercops thapai is a moth of the Gracillariidae family. It is known from Malaysia and Nepal.The wingspan is 5.7-7 mm.The larvae feed on Shorea robusta. They mine the leaves of their host plant. The mine starts as a linear gallery occurring on the lower or rarely upper surface of the leaf...

, but they are mostly located on the upper surface, and not on the lower surface.