Hypocysta adiante
Encyclopedia
The Orange Ringlet is a species of butterfly
Butterfly
A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

 of the Nymphalidae
Nymphalidae
The Nymphalidae is a family of about 5,000 species of butterflies which are distributed throughout most of the world. These are usually medium sized to large butterflies. Most species have a reduced pair of forelegs and many hold their colourful wings flat when resting. They are also called...

 family. It is found in Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, including Queensland
Queensland
Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

, New South Wales
New South Wales
New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

, the Northern Territory
Northern Territory
The Northern Territory is a federal territory of Australia, occupying much of the centre of the mainland continent, as well as the central northern regions...

 and the north of Western Australia
Western Australia
Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

.

The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...

 is about 30 mm. Adults have orange-brown wings, shading to dark brown at the margins. There is an eye-spot on each hindwing. The underside is similar to the upperside, but there are two eyespots on each hindwing.

The larvae feed on various Poaceae
Poaceae
The Poaceae is a large and nearly ubiquitous family of flowering plants. Members of this family are commonly called grasses, although the term "grass" is also applied to plants that are not in the Poaceae lineage, including the rushes and sedges...

 species, including Digitaria didactyla, Imperata cylindrica and Themeda triandra
Themeda triandra
Themeda triandra is a perennial grass widespread in Africa, Australia, Asia and the Pacific. In Australia it is commonly known as kangaroo grass, in East and South Africa it is known as "red oat grass" or red grass, in Afrikaans, rooigras.The species has a tuffted habit and can reach up to 1.5 m...

. They are pinkish-brown with dark longitudinal stripes. They tend to rest on a stem or leaf at the base of their food plant. Full-grown larvae are about 20 mm long. Pupation takes place in a mottled brown pupa which is attached to the food plant.

Subspecies

  • Hypocysta adiante adiante (Torres Strait Islands, Cape York to Sydney)
  • Hypocysta adiante antirius Butler, 1868 (Darwin region)
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