Best Geometer

The Large emerald moth is a striking, bright green British species recognized as the largest geometer moth in the United Kingdom, perfectly blending into deciduous foliage.

The False crocus geometer moth is a North American insect notable for its vivid, uniformly yellow wings, which serve as camouflage against floral backgrounds.

The argent and sable moth (Rheumaptera hastata) is a day-flying geometrid noted for its striking black and white pattern and distribution across northern Europe and North America.

The Early Thorn is a widespread Palearctic geometrid moth distinguished by resting with its wings held tightly together like a butterfly, emerging in two generations annually.

The Canary-shouldered Thorn is a Palearctic moth recognized by its striking, bright yellow furry thorax, flying predominantly during the autumn months in wooded habitats.

The blood-vein moth (Timandra comae) is a Palearctic geometrid moth highly recognizable by the prominent reddish or pinkish post-median line that traverses its pale wings.

The Purple Thorn is a Eurasian geometrid moth notable for the distinct purplish-brown tint on its wings and its habit of resting with wings flat, resembling a dead leaf.

The Lunar Thorn is a Eurasian moth species recognized by the reddish-brown coloration and distinct crescent-shaped markings on its hindwings, flying in temperate woodlands.

The small blood-vein moth (Scopula imitaria) is a delicate European geometrid recognized by the distinct reddish-brown diagonal line crossing its pale yellow wings, flying in mid-summer.

The latticed heath moth (Chiasmia clathrata) is a widespread Eurasian geometrid insect, easily identified by the distinct dark latticed or net-like crosslines on its pale wings.

The common heath moth (Ematurga atomaria) is a daytime-flying geometrid widespread across Europe, noted for the extreme geographical color variation of its grey, brown, and white wings.

The September Thorn is a geometrid moth found in Europe and parts of Asia, distinguished by its bright yellow wings and its autumn flight period extending into early October.

The bordered white moth (Bupalus piniaria) is a common European geometrid that poses significant defoliation threats to pine forests, particularly in commercial timber plantations.

The August Thorn is a Palearctic geometrid moth notable for its deep yellow wings and early autumn emergence, with larvae feeding primarily on broad-leaved trees like oak.

The mottled beauty moth (Alcis repandata) is a prominent geometrid species found across Europe and Asia, distinguished by the exceptional variability of its bark-like wing camouflage.

The common white wave moth is a Geometridae species found across the Palearctic, first described by Carl Linnaeus in 1758, whose larvae feed on alder and birch.

The willow beauty moth (Peribatodes rhomboidaria) is a common Palearctic geometrid notable for its highly variable wing patterns and its ability to produce multiple generations annually.

Described by Ignaz Schiffermüller in 1775, the barred straw moth is a European Geometridae species recognized by its distinctive yellow and brown crossbands.

The engrailed moth (Ectropis crepuscularia) is a widespread Palearctic geometrid known for its intricately patterned wings and polyphagous larvae that feed on various deciduous trees.

The riband wave moth (Idaea aversata) is an abundant European geometrid distinguished by the contrasting dark cross-band on its variable wings, serving as excellent bark camouflage.

The common wave moth (Cabera exanthemata) is a widespread Palearctic geometrid species known for the distinctive, wavy dark cross-lines patterned across its pale white or grey wings.

The Mottled umber moth is a European geometrid notable for its severe winter defoliation of orchards, and its flightless females, which emerge in late autumn.

The Winter moth is an invasive geometrid species from Europe that severely defoliates North American hardwood trees, uniquely flying during the late autumn cold.