Phyllonorycter elmaella
Encyclopedia
The Western Tentiform Leafminer (Phyllonorycter elmaella) is a moth
of the Gracillariidae
family. It is known from British Columbia
and the United States (California, Oregon, Washington and Utah).
The wingspan
is about 6 mm. Adults are golden brown with white bands or spots.
The larva
e feed on Crataegus
species, Malus
species (including Malus communis, Malus domestica, Malus pumila and Malus sylvestris
) and Prunus avium
. They mine
the leaves of their host plant. They feed on cells between the upper and lower epidermal layers.
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 British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
and the United States (California, Oregon, Washington and Utah).
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 about 6 mm. Adults are golden brown with white bands or spots.
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 Crataegus
Crataegus
Crataegus , commonly called hawthorn or thornapple, is a large genus of shrubs and trees in the rose family, Rosaceae, native to temperate regions of the Northern Hemisphere in Europe, Asia and North America. The name hawthorn was originally applied to the species native to northern Europe,...
species, Malus
Malus
Malus , the apples, are a genus of about 30–35 species of small deciduous trees or shrubs in the family Rosaceae. Other studies go as far as 55 species including the domesticated Orchard Apple, or Table apple as it was formerly called...
species (including Malus communis, Malus domestica, Malus pumila and Malus sylvestris
Malus sylvestris
Malus sylvestris, the European wild apple, is a species of Malus , native to Europe from as far south as Spain, Italy and Greece to as far north as Scandinavia and Russia. Its scientific name means "forest apple", and the truly wild tree has thorns.In the past, M. sylvestris was thought to be an...
) and Prunus avium
Prunus avium
Prunus avium, commonly called wild cherry, sweet cherry, bird cherry, or gean, is a species of cherry, native to Europe, west Turkey, northwest Africa, and western Asia, from the British Isles south to Morocco and Tunisia, north to the Trondheimsfjord region in Norway and east to the Caucasus, and...
. 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. They feed on cells between the upper and lower epidermal layers.