The barred straw (''Eulithis pyraliata'') is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

of the family

Geometridae The geometer moths are moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyleti ...

. The species was first described by

Michael Denis Johann Nepomuk Cosmas Michael Denis, also: ''Sined the Bard'', (27 September 1729 – 29 September 1800) was an Austrian Catholic priest and Jesuit, who is best known as a poet, bibliographer, and lepidopterist. Life Denis was born at Schärdin ...

and

Ignaz Schiffermüller Jeremias "Johann" Ignaz Schiffermüller (; 2 November 1727 – 21 June 1806) was an Austrian naturalist and Jesuit teacher who took a special interest in the Lepidoptera. In order to describe the colours of butterflies, he also looked for a syste ...

in 1775. It is sometimes placed in the genus '' Gandaritis''. It is found throughout the

Palearctic The Palearctic or Palaearctic is a biogeographic realm of the Earth, the largest of eight. Confined almost entirely to the Eastern Hemisphere, it stretches across Europe and Asia, north of the foothills of the Himalayas, and North Africa. Th ...

region, including Britain and Ireland, and also the

Near East The Near East () is a transcontinental region around the Eastern Mediterranean encompassing the historical Fertile Crescent, the Levant, Anatolia, Egypt, Mesopotamia, and coastal areas of the Arabian Peninsula. The term was invented in the 20th ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingsp ...

is 33–38 mm. The forewings are bright yellow with two narrow brown

fascia A fascia (; : fasciae or fascias; adjective fascial; ) is a generic term for macroscopic membranous bodily structures. Fasciae are classified as superficial, visceral or deep, and further designated according to their anatomical location. ...

. The hindwings are cream coloured but are rarely seen due to the characteristic resting position (see spinach moth).The larva is naked, green with two narrow white dorsal stripes.Jaan Viidalepp and Axel Hausmann, 2013 In: Axel Hausmann (Hrsg.): ''The Geometrid Moths of Europe''. 1. Auflage. Volume 3: Larentiinae I. Apollo Books, Stenstrup 2013, The species flies at night from June to August and is attracted to light. The

larva A larva (; : larvae ) is a distinct juvenile form many animals undergo before metamorphosis into their next life stage. Animals with indirect development such as insects, some arachnids, amphibians, or cnidarians typically have a larval phase ...

feeds on bedstraw. The species overwinters as an

egg An egg is an organic vessel grown by an animal to carry a possibly fertilized egg cell (a zygote) and to incubate from it an embryo within the egg until the embryo has become an animal fetus that can survive on its own, at which point the ...

. # ''The flight season refers to the British Isles. This may vary in other parts of the range.''

References

*Chinery, Michael ''Collins Guide to the Insects of Britain and Western Europe'' 1986 (Reprinted 1991) *Skinner, Bernard ''Colour Identification Guide to Moths of the British Isles'' 1984

External links

"70.093 BF1758 Barred Straw ''Gandaritis pyraliata'' ([Denis & Schiffermüller], 1775)
. ''UKmoths''. Retrieved 25 April 2019.
"08335 ''Gandaritis pyraliata'' ([Denis & Schiffermüller], 1775) - Schwefelgelber Haarbüschelspanner"
''Lepiforum e.V.'' Retrieved 25 April 2019. Cidariini Moths described in 1775 Moths of Europe Taxa named by Michael Denis Taxa named by Ignaz Schiffermüller {{Cidariini-stub