Jalmenus clementi H.H. Druce, 1902
Clement's Blue
(previously known as Ialmenus clementi)
ZESIINI ,   THECLINAE ,   LYCAENIDAE ,   PAPILIONOIDEA
  
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley


drawing by Hamilton Herbert Druce, listed as Ialmenus clementi,
On some new and little-known butterflies of the family Lycaenidae from the African, Australian and Oriental Regions,
Proceedings of the Zoological Society of London, 1902, Volume 2, Plate XI, fig. 9,
image courtesy of Biodiversity Heritage Library, digitized by Smithsonian Libraries.

The Caterpillar of this species is green or brown with a dark dorsal line edged in cream, and diagonal white lines on the side of each segment. The head and tail are dark brown with black hairs. It feeds on young Wattles ( MIMOSACEAE ), including :

  • Alexanders Wattle ( Acacia alexandri ),
  • Fire Wattle ( Acacia inaequilatera ), and
  • Kurara ( Acacia tetragonophylla ).

    It is always attended by small black ants :

  • Iridomyrmex species ( DOLICHODERINAE ).

    The pupa is mottled brown with a length of about 1 cm. It is usually attached to a leaf or stem of the foodplant.

    The adult butterflies are pale brown on top with an iridescent patch on each wing. The patches are blue for the females, and green for the males. The hindwings have one or two black spots at the tornus, one edged in orange.


    underside
    drawing by Hamilton Herbert Druce, listed as Ialmenus clementi,
    On some new and little-known butterflies of the family Lycaenidae from the African, Australian and Oriental Regions,
    Proceedings of the Zoological Society of London, 1902, Volume 2, Plate 11, fig 9,
    image courtesy of Biodiversity Heritage Library, digitized by Smithsonian Libraries.

    The undersides are fawn with rows of brown spots edged in white.

    The species occurs in

  • Indonesia,

    and in Australia in

  • Western Australia.


    Further reading :

    Michael F. Braby,
    Butterflies of Australia, CSIRO Publishing, Melbourne 2000, vol. 2, pp. 727-728.

    Hamilton Herbert Druce,
    On some new and little-known butterflies of the family Lycaenidae from the African, Australian and Oriental Regions,
    Proceedings of the Zoological Society of London,
    1902, Volume 2, p. 120, and also Plate 11, fig 9.


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    (updated 27 March 2004, 23 May 2015)