''Synthymia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

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 ...

s of the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family of moths. They are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly changing, along with the othe ...

. It contains only one species, ''Synthymia fixa'', The Goldwing, which is found in southern

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a subcontinent of Eurasia and it is located enti ...

and

North Africa North Africa, or Northern Africa is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region, and it is sometimes defined as stretching from the Atlantic shores of Mauritania in t ...

Technical description and variation

''S. fixa'' F. (= ''monogramma'' Hbn.) (48 i). Forewing ash grey in the male, darker, slightly greenish grey in the female the outer half of wing suffused with brownish, the whole speckled with black; orbicular stigma oval, grey in a whitish ring, placed vertically at the edge of the grey basal space; reniform also vertical, an elongate figure of 8, white with dark grey centres; space between them crossed by a deep brown band, sometimes velvety brown in cell, the median vein showing white across it; inner and outer lines brownish, ill defined; the inner waved, nearly vertical, the outer sinuous edged by grey and on the costa whitish; subterminal line thick, whitish; fringe dark-mottled; hindwing orange, deeper in female than in male; the base diffusely dark; terminal border olive brown, broad at apex, with traces of a submarginal line on inner margin; in the male more fuscous tinged, with traces of outer and submarginal lines; in the ab. ''griseofusa'' ab.nov. (= ab. 2. Hmps.) the whole of the hindwing is fuscous. Larva dark green, the dorsum lighter; dorsal and subdorsal lines pale yellow, edged with dark green; lateral stripe white, broad, with dark upper edge; head small, yellowish; thoracic plate black; anal plate brown. 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 37–40 mm.

Biology

Adults are on wing from April to July. There is one generation per year. The larvae feed on the flowers of ''

Psoralea bituminosa ''Bituminaria bituminosa'', the Arabian pea or pitch trefoil, is a perennial Mediterranean herb species in the genus '' Bituminaria''. The pterocarpans bitucarpin A and B can be isolated from the aerial parts of ''B. bituminosa''. It has sev ...

''.Moths and Butterflies of Europe and North Africa
/ref>

References

External links

Natural History Museum Lepidoptera genus database''Synthymia fixa'' on Lepiforum.de
Hadeninae Moths of Europe {{Hadeninae-stub