Bug FAQOrange Swift
Triodia sylvina · Order: Lepidoptera · Family: Hepialidae
The orange swift has a wingspan of about 32 to 48 mm. Males show bright orange forewings with a white V-shaped bar and dark brown hindwings, while females are larger and duller.
Source: Wikipedia
How to recognize it
Males have rich orange forewings marked with two white bars that form a V shape. The hindwings are dark brown. Females are generally larger and less brightly coloured than males.
Source: Wikipedia
Size
The species’ wingspan ranges from 32 to 48 mm.
Source: Wikipedia
What it eats
Adults lack a proboscis and therefore are not seen feeding at flowers.
Source: Wikipedia
Life cycle
Larvae spin silken cocoons near the soil surface, and the pupae are elongated with hooked bristles on the abdomen. The adult emerges after the larva leaves the cocoon.
Source: Wikipedia
When you see it
Adults fly at night from June through September.
Source: Wikipedia
More photos
Questions people ask
Same family (Hepialidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Orange_swift
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.