Griseidorsalis

Griseidorsalis is a species of moth in the family Geometridae. It is found in various parts of the world, including Europe and parts of Asia. The common name for this moth is often the dusky-veined grey or grey-veined grey, reflecting its coloration and wing patterns.

Adult griseidorsalis moths typically have a wingspan of around 2 to 3 centimeters. Their forewings are generally a mottled grey or brownish-grey, with darker grey or black lines and veins that are prominent and give the species its name. The hindwings are usually a lighter shade of grey. The body of the moth is also typically grey. The exact appearance can vary slightly between individuals and geographic locations.

The larval stage, or caterpillar, of griseidorsalis feeds on the leaves of various plants, often deciduous trees and shrubs. Specific host plants can include birch, willow, and oak species, depending on the region. The caterpillars are usually green or brownish and have a somewhat smooth appearance.

Griseidorsalis is a nocturnal moth, with adults being active during the night. They are attracted to light sources. The lifecycle includes egg, larva, pupa, and adult stages. The timing of their emergence and flight periods can vary depending on local climate conditions, but they are generally seen during the warmer months of the year.