1887

oa Journal of the Entomological Society of Southern Africa - Key factor analysis of two populations of the long mussel scale, Insulaspis gloverii (Packard) (Hemiptera: Diaspididae)

Volume 53, Issue 1
  • ISSN : 0013-8789

 

Abstract

The four factors influencing the total generation mortality of two populations of the long mussel scale, lnsulaspis gloverii (Packard) in citrus orchards were: predation, ectoparasitism, endoparasitism and an unknown mortality factor. The factor having the greatest influence on the total generation mortality was determined by key factor analysis. In the population at Friedenheim the key factor was predation by C. nigritus while at Letaba it was endoparasitism by Aspidiotiphagus citrinus.

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/content/JESSA/53/1/AJA00128789_3364
1990-03-01
2016-12-10

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