Cydia millenniana
Encyclopedia
The Larch gall moth is a moth
of the Tortricidae
family. It is found from Europe
to Russia
and the Korean Peninsula
.
This species is often confused with Cydia zebeana
. Due to this, it is difficult to be sure about the data published on the biology of both species. According to Whitebread (1975) and Booij and Diakonoff (1983), larvae of Cydia milleniana form galls, while larvae of Cydia zebeana do not.
The wingspan
is 13–18 mm. Adults are on wing in June and July or May and June.
The larvae feed on Larix species. The larvae mine under the bark and cannot be detected, but gradually develop an resinous gall. Bark wounds, caused by the feeding of the larvae, are penetration sites for spores of the larch cancer Lachnellulla willkommii.
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 Tortricidae
Tortricidae
Tortricidae is a family of moths, commonly known as tortrix moths, in the order Lepidoptera. Tortricidae is a large family with over 9,400 species described, and is the sole member of the superfamily Tortricoidea. Many of these are economically important pests. Olethreutidae is a junior synonym...
family. It is found from Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
to Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...
and the Korean Peninsula
Korean Peninsula
The Korean Peninsula is a peninsula in East Asia. It extends southwards for about 684 miles from continental Asia into the Pacific Ocean and is surrounded by the Sea of Japan to the south, and the Yellow Sea to the west, the Korea Strait connecting the first two bodies of water.Until the end of...
.
This species is often confused with Cydia zebeana
Cydia zebeana
The Larch bark moth is a moth of the Tortricidae family. It is found in central and eastern Europe, Siberia and China. It is also known from the Netherlands....
. Due to this, it is difficult to be sure about the data published on the biology of both species. According to Whitebread (1975) and Booij and Diakonoff (1983), larvae of Cydia milleniana form galls, while larvae of Cydia zebeana do not.
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 13–18 mm. Adults are on wing in June and July or May and June.
The larvae feed on Larix species. The larvae mine under the bark and cannot be detected, but gradually develop an resinous gall. Bark wounds, caused by the feeding of the larvae, are penetration sites for spores of the larch cancer Lachnellulla willkommii.