Idaea dimidiata
Encyclopedia
The Single-dotted Wave (Idaea dimidiata) is a moth
of the family Geometridae. It is found throughout Europe
. The moth generally flies to thistles
and Purple Moor Grass
.
The species has a wingspan
of 13–18 mm. The adults fly at night from June to August, occasionally later, and are attracted to light.
The species prefers damp locations such as marshy woodland, fens and river banks.
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 family Geometridae. It is found throughout 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...
. The moth generally flies to thistles
Carduus
Carduus is a genus of about 90 species of thistles in the family Asteraceae, native to Europe, Asia and Africa. Carduus is Latin for a thistle....
and Purple Moor Grass
Purple Moor Grass
Molinia caerulea is a perennial grass native to Europe, west Asia, and north Africa. It grows in locations from the lowlands up to 2,300 m in the Alps. Like most grasses, it grows best in acid soils, ideally pH values of between 3.5 and 5, however, it can continue to live under more extreme...
.
The species has a 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...
of 13–18 mm. The adults fly at night from June to August, occasionally later, and are attracted to light.
The species prefers damp locations such as marshy woodland, fens and river banks.
- The flight season refers to the British IslesBritish IslesThe British Isles are a group of islands off the northwest coast of continental Europe that include the islands of Great Britain and Ireland and over six thousand smaller isles. There are two sovereign states located on the islands: the United Kingdom of Great Britain and Northern Ireland and...
. This may vary in other parts of the range.