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Reading: Identification Of Rastrococcus Rubellus Williams (Hemipte Ra: Pseudococcidae) on Mango: A N...

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Identification Of Rastrococcus Rubellus Williams (Hemipte Ra: Pseudococcidae) on Mango: A New Record to Sri Lanka

Authors:

LD Galanihe ,

Horticultural Crops Research and Development Institute, Gannoruwa, Peradeniya, LK
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GW Watson

Plant Pest Diagnostic Center, California Department of Food and Agriculture, Sacramento, California, US
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Abstract

An island-wide survey of mealybugs (Hemiptera: Pseudococcidae) conducted in 2008/09 helped identify two species of Rastrococcus from Sri Lanka. R. invadens Williams was identified from samples collected on Plumeria sp. and Ficus arnottiana, while R. rubellus Williams was found on Plumeria sp. Although R. invadens has been recorded in Sri Lanka before, this is the first record of the oriental mealybug, R. rubellus, from the country. R. rubellus was found in mixed colonies with R. invadens; so far, the infesta-tions have not been associated with any severe crop losses. The survey revealed that R. rubellus is con-fined to a limited area in Colombo District. This restricted distribution suggested that it may be a new introduction to the country. Diagnostic characters to aid recognition of R. rubellus, and details of its distribution and host range within Sri Lanka are given.

Tropical Agricultural Research and Extension 15(1): 2012: page 7-10

DOI: http://dx.doi.org/10.4038/tare.v15i2.5242
DOI: http://doi.org/10.4038/tare.v15i2.5242
How to Cite: Galanihe, L. & Watson, G., (2013). Identification Of Rastrococcus Rubellus Williams (Hemipte Ra: Pseudococcidae) on Mango: A New Record to Sri Lanka. Tropical Agricultural Research and Extension. 15(2), pp.7–10. DOI: http://doi.org/10.4038/tare.v15i2.5242
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Published on 17 Feb 2013.
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