Photo 1. Masses of adults and nymphs of the coconut (false) scales, Aspidiotus rigidus, on the leaf of a coconut.
Photo 2. Yellowing of mature palms, due to infestation of coconut (false) scale, Aspidiotus rigidus.
Photo 3. Yellowing and drying of leaflets of a coconut frond infested by the coconut (false) scale, Aspidiotus rigidus.
Photo 4. Close-up of female coconut (false) scale, Aspidiotus rigidus, showing the crescent of egg skins at the margins of the armour or scale cover.
Coconut scale, coconut false scale
Aspidiotus rigidus; previously Aspidiotus destructor rigidus.
AUTHOR Grahame Jackson
Information from Watson GA, Adalla CB, Shepard, Carner GR (2016) Aspidiotus rigidus Reyne (Hemiptera: Diaspididae): a devasting pest of coconuts in the Philippines. Agriculture and Forest Entomology 17:1-8; and from Aspidiotus rigidus Purdue University (https://www.cabdirect.org/cabdirect/abstract/20153049018). Photo 1-4 Merle Shepard/Gerald Carner, Clemson University, USA. Photos 5-7 Plant Pest Diagnostics Branch, California Department of Food & Agriculture, Sacramento, USA.
Produced with support from the Australian Centre for International Agricultural Research under project PC/2010/090: Strengthening integrated crop management research in the Pacific Islands in support of sustainable intensification of high-value crop production, implemented by the University of Queensland and the Secretariat of the Pacific Community.
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