Scalloped Oak
Encyclopedia
The Scalloped Oak is a moth
of the family Geometridae. It is a common Europe
an species.
This is a distinctive species, usually with yellow forewings with a broad orange-brown band and a pointed apex. There can be considerable variation, with the central band sometimes the same colour as the rest of the forewing, ranging from pale yellow to orange-brown. Melanic
forms are also known. There is always a blackish discal spot on the forewing. The hindwings are plain whitish. The wingspan
is 40-46 mm. The adults fly at night in July and August and are attracted to light, sometimes in large numbers.
The larva
, grey and twig-like, feeds on various tree
s and shrub
s (see list below) and is omnivorous and cannibalistic feeding also on smaller larvae. The species overwinters as an egg
.
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 a common 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...
an species.
This is a distinctive species, usually with yellow forewings with a broad orange-brown band and a pointed apex. There can be considerable variation, with the central band sometimes the same colour as the rest of the forewing, ranging from pale yellow to orange-brown. Melanic
Melanism
Melanism is an undue development of dark-colored pigment in the skin or its appendages, and the opposite of albinism. It is also the medical term for black jaundice.The word is deduced from the , meaning black pigment....
forms are also known. There is always a blackish discal spot on the forewing. The hindwings are plain whitish. 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 40-46 mm. The adults fly at night in July and August and are attracted to light, sometimes in large numbers.
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...
, grey and twig-like, feeds on various tree
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...
s and shrub
Shrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...
s (see list below) and is omnivorous and cannibalistic feeding also on smaller larvae. The species overwinters as an egg
Egg (biology)
An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing...
.
- 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.
Recorded food plants
- Alnus - AlderAlderAlder is the common name of a genus of flowering plants belonging to the birch family . The genus comprises about 30 species of monoecious trees and shrubs, few reaching large size, distributed throughout the North Temperate Zone and in the Americas along the Andes southwards to...
- Betula - BirchBirchBirch is a tree or shrub of the genus Betula , in the family Betulaceae, closely related to the beech/oak family, Fagaceae. The Betula genus contains 30–60 known taxa...
- CallunaCallunaCalluna vulgaris is the sole species in the genus Calluna in the family Ericaceae. It is a low-growing perennial shrub growing to tall, or rarely to and taller, and is found widely in Europe and Asia Minor on acidic soils in open sunny situations and in moderate shade...
- Heather - Corylus - Common HazelCommon HazelCorylus avellana, the Common Hazel, is a species of hazel native to Europe and western Asia, from the British Isles south to Iberia, Greece, Turkey and Cyprus, north to central Scandinavia, and east to the central Ural Mountains, the Caucasus, and northwestern Iran. It is an important component of...
- Lonicera - HoneysuckleHoneysuckleHoneysuckles are arching shrubs or twining vines in the family Caprifoliaceae, native to the Northern Hemisphere. There are about 180 species of honeysuckle, 100 of which occur in China; Europe, India and North America have only about 20 native species each...
- Populus - AspenAspenPopulus section Populus, of the Populus genus, includes the aspen trees and the white poplar Populus alba. The five typical aspens are all native to cold regions with cool summers, in the north of the Northern Hemisphere, extending south at high altitudes in the mountains. The White Poplar, by...
- Prunus - Bird CherryBird CherryPrunus padus, known as Bird Cherry or Hackberry, is a species of cherry, native to northern Europe and northern Asia. It is a deciduous small tree or large shrub, 8–16 m tall, which grows north of the Arctic Circle in Norway, Sweden, Finland and Russia...
- Rhamnus - BuckthornBuckthornThe Buckthorns are a genus of about 100 species of shrubs or small trees from 1-10 m tall , in the buckthorn family Rhamnaceae...
- RibesRibesRibes is a genus of about 150 species of flowering plants native throughout the temperate regions of the Northern Hemisphere. It is usually treated as the only genus in the family Grossulariaceae. Seven subgenera are recognized....
- Currant - Rosa - RoseRoseA rose is a woody perennial of the genus Rosa, within the family Rosaceae. There are over 100 species. They form a group of erect shrubs, and climbing or trailing plants, with stems that are often armed with sharp prickles. Flowers are large and showy, in colours ranging from white through yellows...
- Rubus - RaspberryRaspberryThe raspberry or hindberry is the edible fruit of a multitude of plant species in the genus Rubus, most of which are in the subgenus Idaeobatus; the name also applies to these plants themselves...
- Salix - WillowWillowWillows, sallows, and osiers form the genus Salix, around 400 species of deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions of the Northern Hemisphere...
- Sorbus - RowanRowanThe rowans or mountain-ashes are shrubs or small trees in genus Sorbus of family Rosaceae. They are native throughout the cool temperate regions of the Northern Hemisphere, with the highest species diversity in the mountains of western China and the Himalaya, where numerous apomictic microspecies...
- Syringa - Common LilacCommon LilacSyringa vulgaris is a species of Syringa in the olive family Oleaceae, native to the Balkan Peninsula in southeastern Europe, where it grows on rocky hills.-Description:...
- TiliaTiliaTilia is a genus of about 30 species of trees native throughout most of the temperate Northern Hemisphere. The greatest species diversity is found in Asia, and the genus also occurs in Europe and eastern North America, but not western North America...
- Lime - VacciniumVacciniumVaccinium is a genus of shrubs or dwarf shrubs in the plant Family Ericaceae. The fruit of many species are eaten by humans and some are of commercial importance, including the cranberry, blueberry, bilberry or whortleberry, lingonberry or cowberry, and huckleberry...