First report of the papaya mealybug, Paracoccus marginatus (Hemiptera: Pseudococcidae), in China and genetic record for its recent invasion in Asia and Africa

Authors

  • Muhammad Z. Ahmed University of Florida, Institute of Food and Agricultural Sciences, Tropical Research and Education Center, 18905 SW 280th Street, Homestead, FL 33031, USA
  • Ri-Rong He Plant Quarantine Laboratory, Guangdong Inspection and Quarantine Technology Center, No. 66 Huacheng Ave., Guangzhou 510623, People’s Republic of China
  • Mu-Tao Wu Plant Quarantine Laboratory, Guangdong Inspection and Quarantine Technology Center, No. 66 Huacheng Ave., Guangzhou 510623, People’s Republic of China
  • Yu-Juan Gu Plant Quarantine Laboratory, Guangdong Inspection and Quarantine Technology Center, No. 66 Huacheng Ave., Guangzhou 510623, People’s Republic of China
  • Jing-Mei Ren Department of Entomology, South China Agricultural University, Guangzhou 510640, China
  • Fan Liang Plant Quarantine Laboratory, Guangdong Inspection and Quarantine Technology Center, No. 66 Huacheng Ave., Guangzhou 510623, People’s Republic of China
  • Hai-Lin Li Maoming Entry-Exit Inspection and Quarantine Bureau, Maoming, 525000, China
  • Xue-Nan Hu Plant Quarantine Laboratory, Guangdong Inspection and Quarantine Technology Center, No. 66 Huacheng Ave., Guangzhou 510623, People’s Republic of China
  • Bao-Li Qiu Department of Entomology, South China Agricultural University, Guangzhou 510640, China
  • Catharine M. Mannion University of Florida, Institute of Food and Agricultural Sciences, Tropical Research and Education Center, 18905 SW 280th Street, Homestead, FL 33031, USA
  • Jun Ma Plant Quarantine Laboratory, Guangdong Inspection and Quarantine Technology Center, No. 66 Huacheng Ave., Guangzhou 510623, People’s Republic of China

Keywords:

genetic identity, haplotype, global distribution, insect pest

Abstract

The papaya mealybug, Paracoccus marginatus Williams and Granara de Willink (Hemiptera: Pseudococcidae), is a polyphagous pest that damages many tropical crops. It is a native of Central America and spread to the Caribbean region and South America in the 1990s; since then it has accidentally been introduced to some islands in the Pacific region and some countries in Africa and Asia. We recorded its presence in China for the first time in 2013 from Guangdong Province and Yunnan Province in southern and southwestern China, respectively. Our genetic analysis revealed that only 1 haplotype of P. marginatus has been recorded in all of Asia, including China, reflecting the very recent invasion of P. marginatus in Asia. This study also includes a summary of the global geographical distribution of P. marginatus.

 

Resumen

La cochinilla de la papaya, Paracoccus marginatus Williams y Granara de Willink (Hemiptera: Pseudococcidae), es una plaga polífaga que daña muchos cultivos tropicales. Es originario de América Central y se extendió a la región del Caribe y América del Sur en la década de 1990; desde entonces ha sido introducida accidentalmente en algunas islas de la región del Pacífico y algunos países de África y Asia. Se registró su presencia en China por primera vez en el año 2013 en las provincia de Guangdong y de Yunnan en el sur y suroeste de China, respectivamente. Nuestro análisis genético reveló que sólo un haplotipo de P. marginatus se ha registrado en toda Asia, incluyendo China, lo que refleja la reciente invasión de P. marginatus en Asia. Este estudio también incluye un resumen de la distribución geográfica mundial de P. marginatus.

 

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Author Biographies

Muhammad Z. Ahmed, University of Florida, Institute of Food and Agricultural Sciences, Tropical Research and Education Center, 18905 SW 280th Street, Homestead, FL 33031, USA

These 2 authors contributed equally to this work.

Jun Ma, Plant Quarantine Laboratory, Guangdong Inspection and Quarantine Technology Center, No. 66 Huacheng Ave., Guangzhou 510623, People’s Republic of China

These 2 authors contributed equally to this work.

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Published

2015-09-30

Issue

Vol. 98, No. 4 (December 2015)

Section

Research Papers

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