Hepialidae

00063 Orange Swift Triodia sylvina (=Hepialus), (Linnaeus, 1761)

BF0015 (ABH3.001)

Belmeken, Rila Mtns., 29th July 2017. Female.
Belmeken, Rila Mtns., 29th July 2017. Female.
 Photo © Nick Greatorex-Davies
Belmeken, Rila Mtns., 29th July 2017. Female.
 Photo © Nick Greatorex-Davies
 2010-2016
 2017
 2018
 2019

General Information

This moth flies later in the year than all the other swifts found in the UK.

 

Males are smaller and more brightly coloured than the females, with v-shaped white diagonal lines on an orange/brown forewing.

 

Flies from early dusk.

 

Pupates underground.

Overwinters as Overwinters as a larva.
Both sexes readily come to light, sometimes in numbers.

Forewing length: M 12-18mm F 15-26mm.
Foodplant(s): docks (Rumex spp.), Dandelion (Taraxacum officinale), Bracken (Pteridium aquilinum), herbaceous plants
Flying: One generation, late June-early September
UK Presence: Resident
National status:

Habitat

Gardens, roadsides, woodland rides, downlands and moorlands.

Regional Information

There are no records in the system yet in Bulgaria.

Similar Species
Common Swift Korscheltellus lupulina (=Hepialus lupulinus)
Map-winged Swift Korscheltellus fusconebulosa (=Pharmacis) (=Hepialus)


Larva/Leafmine:
Larva Type:
Smooth
Colours:
yellow, white, brown
No. of Proleg Pairs:
5