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

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of ...

of the family

Geometridae The geometer moths are moths belonging to the family Geometridae of the insect order Lepidoptera, the moths and butterflies. Their scientific name derives from the Ancient Greek ''geo'' γεω (derivative form of or "the earth"), and ''metr ...

. 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 Schärd ...

and

Ignaz Schiffermüller Ignaz Schiffermüller (born 2 October 1727 in Hellmonsödt; died 21 June 1806 in Linz) was an Austrian naturalist mainly interested in Lepidoptera. Schiffermüller was a teacher at the Theresianum College in Vienna. His collection was present ...

in 1775. It is sometimes placed in the genus ''

Gandaritis ''Gandaritis'' is a genus of moths in the family Geometridae described by Frederic Moore in 1868. Species * ''Gandaritis agnes'' (Butler, 1878) * ''Gandaritis atricolorata'' (Grote & Robinson, 1866) * ''Gandaritis evanescens'' (Butler, 1881) * ' ...

''. It is found throughout the

Palearctic The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Si ...

region, including Britain and Ireland, and also the Near East. The

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

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

fascia A fascia (; plural fasciae or fascias; adjective fascial; from Latin: "band") is a band or sheet of connective tissue, primarily collagen, beneath the skin that attaches to, stabilizes, encloses, and separates muscles and other internal organ ...

. 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. The species flies at night from June to August and is attracted to light. The

larva A larva (; plural larvae ) 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. Th ...

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 a ...

. # ''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