''Trigonodes hyppasia'', the triangles or semi-looper, is a moth in the family
Erebidae
The Erebidae are a family of moths in the superfamily Noctuoidea. The family is among the largest families of moths by species count and contains a wide variety of well-known macromoth groups. The family includes the underwings ('' Catocala'') ...
Fiji
Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists ...
Sri Lanka
Sri Lanka (, ; si, ශ්රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...
,
São Tomé and Príncipe
São Tomé and Príncipe (; pt, São Tomé e Príncipe (); English: " Saint Thomas and Prince"), officially the Democratic Republic of São Tomé and Príncipe ( pt, República Democrática de São Tomé e Príncipe), is a Portuguese-speaking i ...
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
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 other f ...
are mostly classified in the family
Erebidae
The Erebidae are a family of moths in the superfamily Noctuoidea. The family is among the largest families of moths by species count and contains a wide variety of well-known macromoth groups. The family includes the underwings ('' Catocala'') ...
now, along with all of the former members of the families Arctiidae and Lymantriidae. This re-classification has not yet met with general consensus, and many resources and publications still follow the older classification scheme.
Description
The wingspan is about 30–46 mm. Antennae of male ciliated. Mid and hind tibia hairy. Body pale ochreous brown, slightly suffused with fuscous or dark grey brown. Forewings with a large black white-edged triangular patch easily distinguished below the cell from near base to towards outer angle. A similar smaller patch found beyond the cell on vein 5, with some pale fulvous behind it. A slightly sinuous submarginal pale line with patches of black suffusion found inside it and a series of black specks beyond it. A dark marginal line can be seen as well. Hindwings with indistinct medial line and fuscous suffused outer area.
Larva has yellow upper half and brown ventral part. The yellow part is broken by longitudinal brown bands, which faints towards posterior and becomes intensive again in prolegs. Eggs olive green and speckled rusty red. First few instars are green with three lateral purple brown lines. Late instars are yellowish. Pupa within a slight cocoon of white silk, which spun amongst leaves.
The larvae feed on ''
Chrysopogon
''Chrysopogon'' is a genus of tropical and subtropical plants in the grass family. They are widespread across Eurasia, Africa, Australia, southeastern North America, and various islands.
Species
Source:
Formerly included
Source:
Resear ...
'', ''
Eleusine
''Eleusine'' is a genus of Asian, African, and South American plants in the grass family,Glycine'', '' Indigofera'', '' Kummerovia'', ''
Medicago
''Medicago'' is a genus of flowering plants, commonly known as medick or burclover, in the legume family (Fabaceae). It contains at least 87 species and is distributed mainly around the Mediterranean basin. The best-known member of the genus is ...
'', ''
Phaseolus
''Phaseolus'' (bean, wild bean) is a genus of herbaceous to woody annual and perennial vines in the family Fabaceae containing about 70 plant species, all native to the Americas, primarily Mesoamerica.
It is one of the most economically importan ...
'', ''
Rhynchosia
''Rhynchosia'', also known as snoutbean, is a genus of plants in the family Fabaceae. There are several different complexes within the genus, including the ''Senna'' complex.Turner,B.L., http://www.biosci.utexas.edu/prc/pdfs/Turner-Lundellia14. ...
'' and ''
Nephelium
''Nephelium'' is a genus of about 25 species of flowering plants in the family Sapindaceae, native to southeastern Asia.
They are evergreen trees with pinnately compound leaves, and edible drupaceous fruit; one species, ''N. lappaceum'' (rambu ...