Polysoma eumetalla (Meyrick, 1880)
(previously known as : Acrocercops eumetalla)
GRACILLARIINAE, GRACILLARIIDAE

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

(updated 13 September 2006)

These Caterpillars have been found feeding and living :

  • in galls on Silver Wattle ( Acacia dealbata, MIMOSACEAE ), caused by the rust fungus Uromycladium tepperianum ( UREDINALES ) and
  • in galls on Blackwood ( Acacia melanoxylon, MIMOSACEAE ) caused by the fly Cecidomyia acaciaelongifoliae ( CECIDOMYIDAE ).

    The adult moths are a metallic gold colour with white markings, and have a wingspan of about 1 cm.

    The species has been found in eastern Australia from southern Queensland to Tasmania, and in New Zealand.


    Further reading :

    Richard Bashford,
    The insect complex inhabiting galls formed by Cecidomyia acaciaelongifoliae Skuse (Diptera: CECIDOMYIIDAE) on Blackwood (Acacia melanoxylon) in Tasmania. The Australian Entomologist, Volume 33, Part 1 (March 2006), pp. 1-4.

    Richard Bashford, The insect fauna inhabiting Uromycladium (Uredinales) rust galls on Silver Wattle (Acacia dealbata) in Tasmania, The Australian Entomologist, Volume 29, Part 3 (September 2002), pp. 81-95.


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