''Aspitates gilvaria'', the straw belle, 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 w ...

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 ''metro ...

. 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 Schärding ...

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 found from Europe to the eastern part of the

Palearctic realm 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-Sib ...

. The main habitats are warm slopes, heathlands, fields and abandoned quarries. In the mountains, the species rises to heights of 1000 meters. Adults are on wing from July to August.

Description

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 o ...

is 25–30 mm. The graduated buff coloured forewing has a red or brown diagonal slash from the wing tip to the inside edge. The hindwings are white with a faint diagonal grey streak and a dot on the upper surface. The male has combed antennae. The female is more mottled than the male and has less combed antennae. The egg initially has a light green colour, which changes from reddish yellow to grey just before the caterpillars hatch. The pole and egg base are orange. The surface is covered with about 50 longitudinal ribs. The micropyle rosette is ten to eleven-leaves and surrounded by a large-mesh network. The larva is ochreous grey, with a blackish, ochreous-edged dorsal line and various other fine darker and paler longitudinal lines.Prout, L. B. (1912–16). Geometridae. In A. Seitz (ed.) ''The Macrolepidoptera of the World''. The Palaearctic Geometridae, 4. 479 pp. Alfred Kernen, Stuttgar
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Diet

The larvae feed on various herbaceous plants, including ''

Potentilla ''Potentilla'' is a genus containing over 300Guillén, A., et al. (2005)Reproductive biology of the Iberian species of ''Potentilla'' L. (Rosaceae).''Anales del Jardín Botánico de Madrid'' 1(62) 9–21. species of annual, biennial and perenni ...

'', ''

Thymus The thymus is a specialized primary lymphoid organ of the immune system. Within the thymus, thymus cell lymphocytes or ''T cells'' mature. T cells are critical to the adaptive immune system, where the body adapts to specific foreign invaders. ...

'', ''

Andromeda polifolia ''Andromeda polifolia'', common name bog-rosemary, is a species of flowering plant in the heath family Ericaceae, native to northern parts of the Northern Hemisphere. It is the only member of the genus ''Andromeda'', and is only found in bogs ...

'' and possibly ''

Empetrum nigrum ''Empetrum nigrum'', crowberry, black crowberry, or, in western Alaska, blackberry, is a flowering plant species in the heather family Ericaceae with a near circumboreal distribution in the Northern Hemisphere. It is usually dioecious, but th ...

'', ''

Rubus chamaemorus ''Rubus chamaemorus'' is a species of flowering plant in the rose family Rosaceae, native to cool temperate regions, alpine and arctic tundra and boreal forest. This herbaceous perennial produces amber-colored edible fruit similar to the blackbe ...

'' and ''

Vaccinium uliginosum ''Vaccinium uliginosum'' (bog bilberry, bog blueberry, northern bilberry or western blueberry) is a Eurasian and North American flowering plant in the genus ''Vaccinium'' within the heath family. Distribution ''Vaccinium uliginosum'' is native ...

''.

Subspecies

*''Aspitates gilvaria gilvaria'' *''Aspitates gilvaria fenica'' (Fuchs, 1899) Finland and the Baltic states *''Aspitates gilvaria orientaria'' (Alphéraky, 1892) Caucasus, Thian Shan, Sajan and Amdo districts with little or no dark irroration. *''Aspitates gilvaria burrenensis'' Cockayne, 1951 ::darker than the nominate subspecies with a longer hindwing stripe - found in

the Burren The Burren (; ) is a karst/ glaciokarst landscape centred in County Clare, on the west coast of Ireland.
Burr ...

, Ireland

Similar species

*'' Aspitates ochrearia'' differs by an additional thin grey inner transverse line on the front wing upperside.

References

Gallery

Image:Aspitates gilvaria01.jpg Image:Aspitates gilvaria02.jpg Image:Aspitates_gilvaria_antennae.jpg, Antennae

External links

Straw belle at ''UKMoths''''Fauna Europaea''''Lepiforum e.V.''
Aspitatini Moths of Europe Moths of Asia Taxa named by Michael Denis Taxa named by Ignaz Schiffermüller Moths described in 1775 {{Ennominae-stub