Photo 2. Enlargement of Photo1 showing sub-circular female cashew scales, Pseudaonidia trilobitiformis, and the off-centre skin of the earlier moult.
Cashew scale. It is also known as the trilobite scale.
Pseudaonidia trilobitiformis. It was previously recorded as an Aspidiotus species, and as Pseudaonidia darutyi. [Note, a definitive identification of the scale on citrus from Fiji is awaited. The scale was provisionally identified using photos on orange. It is more usually found on leaves.]
AUTHORS Grahame Jackson & Mani Mua
Information from Diaspididae of the World 2.0 Pseudaonidia trilobitiformis. (https://diaspididae.linnaeus.naturalis.nl/linnaeus_ng/app/views/species/nsr_taxon.php?id=113125&cat=TAB_DESCRIPTION&epi=155); and from Garcia Morales G et al. (2016) ScaleNet: A literature-based model of scale insect biology and systematics. Database. (http://scalenet.info/catalogue/Pseudaonidia%20trilobitiformis/). Photo 3 MAF PLant Health & Environment Laboratory (2011) Trilobite Scale (Pseudaonidia trilobitiformis). PaDIL - (https://www.padil.gov.au).
Produced with support from the Australian Centre for International Agricultural Research under project HORT/2016/18: Responding to emerging pest and disease threats to horticulture in the Pacific islands, implemented by the University of Queensland and the Pacific Community.
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