Phyllonorycter penangensis
Encyclopedia
Phyllonorycter penangensis 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 (Pulau Penang).

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 6-6.3 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 Rubus moluccanus
Rubus moluccanus
Rubus moluccanus, Molucca bramble or Broad-leaf Bramble, is a scrambling shrub or climber, native to moist eucalyptus forest and rainforest of eastern Australia, distributed from Queensland to Victoria....

. 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 has the form of a rather large, star-like mine occurring upon the upper side of the leaf. It is rather fiat, but its central area is slightly swollen in a circle. It never forms a tentiform type at maturity. The Mining part of the leaf is whitish-green in the young stage and brownish in the mature stage. Pupation takes place inside the mine, usually at the swollen part. The cocoon is ellipsoidal, whitish, and covered with grains of frass
Frass
Frass is the fine powdery material phytophagous insects pass as waste after digesting plant parts. It causes plants to excrete chitinase due to high chitin levels, it is a natural bloom stimulant, and has high nutrient levels. Frass is known to have abundant amoeba, beneficial bacteria, and fungi...

.
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