Rhodometra sacraria

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Rhodometra sacraria
Geometridae - Rhodometra sacraria.JPG
Lateral view
Geometridae - Rhodometra sacraria-001.JPG
Dorsal view of a female
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Species:
R. sacraria
Binomial name
Rhodometra sacraria
Synonyms [1]
List
  • Rhodometra fulvaria(Fabricius, 1794)
  • Rhodometra labda(Cramer, 1777)
  • Rhodometra minervae(Gistl, 1856)
  • Rhodometra sacralis(Thunberg, 1784)
  • Rhodometra sanguinaria(Esper, 1801)

Rhodometra sacraria, the vestal, is a moth of the family Geometridae. The species was first described by Carl Linnaeus in his 1767 12th edition of Systema Naturae.

Contents

Distribution

It can be found throughout Europe, in the Near East, in North Africa, in the Afrotropical realm and in large parts of Asia. [2] It is also found in South America (Chile and Argentina). [3]

Habitat

Rhodometra sacraria inhabits meadows, forest clearing, paths, gardens and urban environments.

Description

Male showing bipectinated antennae Geometridae - Rhodometra sacraria (male).JPG
Male showing bipectinated antennae

Rhodometra sacraria has a wingspan reaching 22–28 mm, while the length of the forewings is 12–14 mm. The late generations are smaller and the wingspan has an average of 16–26 mm. These moths are easily distinguishable from the mahogany or pink stripe, located on yellowish or cream background, crossing diagonally the dorsal sides of the upperwings from the posterior margin up to the apex. Discal spots are usually present and have the same colour as the postmedial line.

The dorsal sides of the hindwings are whitish and unmarked. The fringes on the wings are mostly in the basic colour. The abdomen is pure white. Head and thorax are straw yellow. In males the antennae are bipectinated to three-fourths length. The hind tibiae bear two pairs of spurs. [4]

The intensity and the extent of the pink pigmentation is rather variable, depending on the seasonal temperature in the development of the pupae. [5] [6] [7]

Biology

Caterpillar on a leaf of Rumex crispus Geometridae - Rhodometra sacraria-1.JPG
Caterpillar on a leaf of Rumex crispus

Usually these moths rest with a tent-like posture on twigs and herbs, with the wings parallel to each other. They fly from April to October in the Northern Hemisphere . They are nocturnal, attracted to light and migrant. These moths breed in North Africa and in southern Europe, since they require constant warmth. The eggs are relatively long, yellowish, with distinct red spots. [5] [7]

The caterpillars mimic twigs and therefore they are quite difficult to locate. They are slender and reach a length of about 25 millimetres. The basic colour is pale brown or green, with a whitish underside. The green forms usually show a dark brown or reddish irregular stripe on the back. The head is reddish brown and relatively small.

These caterpillars feed on knotgrass, dock, Anthemis , Emex , Oxygonum , Persicaria , Rhus and other low growing plants. The pupa can reach a length of 9.2 mm and a diameter of about 2.7 mm. It is yellowish brown coloured, with dark spots. [5]

Notes

  1. ^ The flight season refers to the Belgium and the Netherlands. This may vary in other parts of the range.

Related Research Articles

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<i>Eulithis populata</i> Species of moth

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<i>Idaea rusticata</i> Species of moth

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<i>Eupithecia indigata</i> Species of moth

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<i>Apeira syringaria</i> Species of moth

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<i>Thera firmata</i> Species of moth

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<i>Scotopteryx chenopodiata</i> Species of moth

Scotopteryx chenopodiata, the shaded broad-bar, is a moth of the family Geometridae. It was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae.

<i>Eupithecia dodoneata</i> Species of moth

Eupithecia dodoneata, the oak-tree pug, is a moth of the family Geometridae. The species can be found in Europe. Local occurrences are found in Asia Minor, the Caucasus as well as in Morocco. In the Pyrenees and the Alps, it rises to altitudes of 1000 metres. The species prefers dry oak and oak mixed forests.

<i>Noctua orbona</i> Species of moth

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<i>Rhodometra</i> Genus of moths

Rhodometra is a genus of moths in the family Geometridae erected by Edward Meyrick in 1892.

<i>Scopula ternata</i> Species of geometer moth in subfamily Sterrhinae

Scopula ternata, the smoky wave, is a moth of the family Geometridae. It was described by Franz von Paula Schrank in 1802. It is mainly found in northern and parts of central Europe and in isolated populations in southern and south-eastern Europe. Its western range is eastern France, eastern Belgium and Scotland, with an isolated population in the Pyrenees. In the north its range extends to the polar regions and in the south it is found up to the Alps. Its eastern range extends through central and northern Russia up to the Ural, through Siberia up to the Yenisei River.

<i>Agrochola helvola</i> Species of moth

Agrochola helvola, the flounced chestnut, is a moth of the family Noctuidae. It was first described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae. The species is found in most of Europe, north to Scotland and Fennoscandia up to the Arctic Circle, south to Spain, Sicily, Greece further east to the Middle East, Armenia, Asia Minor, western Turkestan and central Asia up to central Siberia.

<i>Catarhoe cuculata</i> Species of moth

Catarhoe cuculata, the royal mantle, is a moth of the family Geometridae. The species was first described by Johann Siegfried Hufnagel in 1767. It is found from Europe to western Central Asia and east Siberia. The species prefers to live in light forests and forest edges, but also occurs on meadows.

References

  1. De Prins, J. & De Prins, W. (2019). "Rhodometra sacraria (Linnaeus, 1767)". Afromoths. Retrieved May 16, 2019.
  2. "Rhodometra sacraria (Linnaeus, 1767)". Fauna Europaea. Retrieved May 16, 2019.
  3. Gareth Edward King; José Luis Viejo Montesinos (June 2014). "Rhodometra sacraria (Linnaeus), a cosmopolitan sterrhine confirmed from Chile (Lepidoptera, Geometridae)". Revista Brasileira de Entomologia. 58 (2): 103–106. doi:10.1590/S0085-56262014000200002. ISSN   0085-5626. Wikidata   Q109187066.
  4. "Rhodometra sacraria Linnaeus, 1767 ". India Biodiversity Portal.
  5. 1 2 3 Kimber, Ian. "70.038 BF1716 The Vestal Rhodometra sacraria (Linnaeus, 1767)". UKMoths. Retrieved 12 October 2020.
  6. "Vestal". The Butterflies and Moths of Northern Ireland.
  7. 1 2 "Rhodometra sacraria (Linnaeus, 1767)". Catalogue of the Lepidoptera of Belgium.