Theclinesthes hesperia Sibatani & Grund, 1978
(one synonym : Utica littoralis)
Western Bitter-Bush Blue
POLYOMMATINI , POLYOMMATINAE , LYCAENIDAE

Don Herbison-Evans ( donherbisonevans@yahoo.com )
&
Stella Crossley

(updated 17 March 2004)

This Caterpillar feeds on the young shoots and flowers of:

  • Rare Bitterbush ( Adriana quadripartita, EUPHORBIACEAE ).

    It is often attended by ants of the species :

  • Iridomymex conifer ( DOLICHODERINAE ).

    It pupates near the ground or in ground litter at the base of the foodplant.

    The adult butterflies are pale blue with a scalloped dark margin to the hindwings. At the tornus of each hindwing is a tail. The undersides of the wings are fawn with arcs of white markings. The undersides of the hindwings are darker than those of the forewings. The wingspan is about 2 cms.

    The species occurs two small areas of coastal sand-dunes, in the south of Western Australia as two subspecies :

  • littoralis on the south coast, and
  • hesperia on the west coast.


    Further reading :

    Michael F. Braby, Butterflies of Australia, CSIRO Publishing, Melbourne 2000, vol. 2, pp. 812-813.


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