Alice Springs Fauna •

Alice Springs ButterfliesBlue Moon Butterfly Caper White Butterfly, Egg and Instar Glasswing (Acraea andromacha) Lesser Wanderer (Danaus petilia) Meadow Argus (Junonia villida calybe) Tawny Coster (Acraea terpsicore) Two-spotted Line-blue Butterfly (Nacaduba biocellata)

Two-spotted Line-blue Butterfly (Nacaduba biocellata), also known as the Double-spotted Line Blue, is found across mainland Australia and Tasmania.

With a wingspan of about 20 mm, the adult females have a brown upperside, whilst the males are blue with narrow black margins. The underside of the wings for both sexes is pale brown with light and dark wavy lines. At the base of the hind wing, there are two small black dots.

Pictured here are the male and female imating.

Two-spotted Line-blue Butterfly (Nacaduba biocellata) mating, Alice Springs NT
Two-spotted Line-blue Butterfly (Nacaduba biocellata) mating, Alice Springs NT
Two-spotted Line-blue Butterfly (Nacaduba biocellata) mating, Alice Springs NT
Two-spotted Line-blue Butterfly (Nacaduba biocellata) mating, Alice Springs NT

See Insects > Butterflies | Two-spotted Line Blue (Nacaduba biocellata)


  • Scientific classification
  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Subphylum: Hexapoda
  • Class: Insecta
  • Informal: Pterygotes
  • Order: Lepidoptera
  • Unranked: Ditrysia
  • Superfamily: Papilionoidea
  • Family: Lycaenidae
  • Subfamily: Polyommatinae
  • Tribe: Polyommatini
  • Genus: Nacaduba
  • Species: Nacaduba biocellata
Two-spotted Line-blue Butterfly (Nacaduba biocellata) mating, Alice Springs NT
Two-spotted Line-blue Butterfly (Nacaduba biocellata) mating, Alice Springs NT

Footnote & References

  1. Nacaduba biocellata (C. & R. Felder, 1865), Two-Spotted Line-Blue, Atlas of Living Australia, https://bie.ala.org.au/species/https://biodiversity.org.au/afd/taxa/9ac99027-d2f3-4d56-90c6-8c7bc47405f2#overview
  2. Two-spotted Line-Blue (Nacaduba biocellata), iNaturalistAU, https://inaturalist.ala.org.au/taxa/353667-Nacaduba-biocellata

Alice Springs ButterfliesBlue Moon Butterfly Caper White Butterfly, Egg and Instar Glasswing (Acraea andromacha) Lesser Wanderer (Danaus petilia) Meadow Argus (Junonia villida calybe) Tawny Coster (Acraea terpsicore) Two-spotted Line-blue Butterfly (Nacaduba biocellata)

Alice Springs Butterflies & Moths (Lepidopterans)Butterflies Moths

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