Trioza spp.

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  • Trioza spp.

    18 Oct 2015-37.9,145.3Leuba Ridgway

    This eucalyptus tree with slightly pendulous branches and small clusters of creamy white flowers had delicate young leaves with their tips curled into thick cups. These cups appeared to have a membranous pale or brown lid (pic 5). Some of these cups had ants clustering around them as in pic 4. On opening one of these lidded "cups', I found a 3 mm psyllid nymph with small red wide-set eyes, orange thorax and green abdomen. Wings buds were dark with a white substance stuck to them. The tree had several young leaves with these galls. Spotted on a box gum ( ? Eucalyptus microcarpa) in a bushland reserve. I am not sure of the relationship between the ants and this species of psyllid. The gall-forming behaviour seems similar to Trioza species of psyllid. My thanks to Ken Walker for confirming that this is Trioza ( species not known).


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    1. Chris Lindorff  Hi Leuba. I have added this name to the database. Thanks for the interesting information. Cheers. Chris.

      Reply • 01 Nov 2015

    2. David Francis  Trioza spp. species id suggested

      Reply • 28 Dec 2016