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Hepialidae

Orange Swift

TRIODIA sylvina (Linnaeus, 1761)
Picture
Life Cycle Guide
Picture
Description
Alternative Name: Orange Moth
Wingspan: Male : 32-39mm. : Female : 36-48mm
Worldwide Distribution: Europe - excluding (Azores,Balearic Is.,Canary Is.,Corsica,Crete,Cyprus,Ireland,Madeira,Malta & Slovenia)
UK Distribution: Resident-Common throughout England and Wales,Channel Isles, and up to the north of mainland Scotland.
UK Conservation Status -
  • Common = >300 10Km Squares
European Conservation Status -
  • Least Concern
Original Species Name -
  • Phalaena sylvina Linnaeus, 1761
Type Species - Triodia
  • Phalaena sylvina Linnaeus, 1761
Type Locality -
  • Sweden-Stockholm
Flight Period: Late June-early September : Univoltine-Single brooded.
Habitat: Gardens : Roadside Verges : Moorland : Woodland Rides : Grassy Places
Similar Species:-
  • Common Swift Hepialus lupulinus Linnaeus, 1758
Larva: The larva overwinter twice,living underground feeding on the roots of Bracken,grasses and other herbaceous plants.
Pupa: Pupates underground.
Overwinters as: Overwinters twice as a larva
Observations: A rudimentary moth with no mouth, depending on fat stored as a larva to sustain it through its final stage.
Male bright orange brown with two sets of continuous lines forming two"V" shapes when viewed from above. Female (Shown below) larger with dull brown background colour.
The short antennae of both sexes is pectinate (dentate) or saw toothed.(See photo 4)
Readily comes to light.
Photo Gallery
Larval Food Plants Worldwide
Note - Plants hyperlinked in red below take the visitor to the relevant plant page on"Plants for a Future" website where further information like photos,physical characteristics,habitats,edible uses,medicinal uses,cultivation,propagation,range,height etc. are clearly listed.
  • Plant Families - in bold red below takes the visitor to the relevant "Lepi-plants" page where other butterflies & moths using the plants below are listed.
Larval Food Plants
Taxonomy
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Type Species - TRIODIA:

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Subspecies:
Animalia
Eumetozoa
Arthropoda
Hexapoda
Insecta
Lepidoptera
Hepialoidea
Hepialidae
TRIODIA Hübner, 1820
Triodia sylvina (Linnaeus, 1761)
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Phalaena Sylvina (Linnaeus, 1761)
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= PHALAENA (Noctua) sylvina Linnaeus 1761
= Hepialus sylvinus Linnaeus, 1761
= Bombyx hamma Denis & Schiffermüller, 1775
= Bombyx flina Denis & Schiffermüller, 1775
= Phalaena multicolor Fourcroy, 1785
= crux (Fabricius, 1787)
= Hepialus angulatus Fabricius, 1781
= angulum (Villers, 1789)
= fauna (Schrank, 1801)
= Hepialus kruegeri Turati, 1909
= victoriae Petkoff, 1914
= androgynus Agenjo, 1942
= pardoi Agenjo, 1942
= alfaroi Agenjo, 1942
= laincalvo Agenjo, 1942
= Alphus sylvinus Linnaeus, 1761
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Fauna Suecica (Edn 2) : Title page :   p.306 - n.1151
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Sweden-Stockholm
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T.s.kruegeri Turati, 1909-Sicily