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1 February 2009 Polymerase Chain Reaction-Restriction Fragment Length Polymorphism Method to Distinguish Three Mealybug Groups Within the Planococcus citri-P. minor Species Complex (Hemiptera: Coccoidea: Pseudococcidae)
A. Rung, D. R. Miller, S. J. Scheffer
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Abstract

The mealybug species Planococcus citri (Risso) and Planococcus minor (Maskell) (Hemiptera: Coccoidea: Pseudococcidae) have special significance to U.S. quarantine and U.S. agriculture. Commonly intercepted at U.S. ports-of-entry, they are difficult to identify based on morphological characters. This study presents a molecular method for distinguishing P. citri, P. minor, and a genetically distinct group that is morphologically identical to P. citri, from Hawaii. This method uses polymerase chain reaction (PCR) followed by restriction fragment polymorphism analysis (RFLP) using the restriction enzymes BspHl, BsmHl, and HpHl. The resulting band patterns can be visualized in a 2% agarose gel and are sufficient to differentiate between the three entities mentioned above. PCR-RFLP diagnostics can be used for all life stages and is cheaper and faster than DNA sequencing.

A. Rung, D. R. Miller, and S. J. Scheffer "Polymerase Chain Reaction-Restriction Fragment Length Polymorphism Method to Distinguish Three Mealybug Groups Within the Planococcus citri-P. minor Species Complex (Hemiptera: Coccoidea: Pseudococcidae)," Journal of Economic Entomology 102(1), 8-12, (1 February 2009). https://doi.org/10.1603/029.102.0102
Received: 18 June 2008; Accepted: 1 October 2008; Published: 1 February 2009
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