Cydia pomonella (Linnaeus, 1758)
(previously known as : Dicraniana pomonella)
Codling Moth
GRAPHOLITINIOLETHREUTINAETORTRICIDAE

Don Herbison-Evans ( donherbisonevans@yahoo.com )
&
Stella Crossley

(updated 2 September 2008)


(Photo: courtesy of Jack Kelly Clark, University of California)

This Caterpillar is a worldwide pest. It is a grub that bores into the fruit of various crops, including :

  • Walnut ( Juglans regia, JUGLANDACEAE ),
  • Quince ( Cydonia oblonga, ROSACEAE ),
  • Apple ( Malus pumila, ROSACEAE ), and
  • Pear ( Pyrus communis, ROSACEAE ).

    The Caterpillar grows to a length of about 1 cm.


    (Photo: courtesy of Wendy Moore)

    The adult moth varies from grey to brown, and has reflective scales on the wings. The forewings each have a complex pattern, which is darker towards the margin. The wingspan is about 2 cms.

    It originated in Europe, and is now a pest all over the world, including:

  • Canada,
  • England,
  • New Zealand, as well as
  • Australia.


    (Photo: courtesy: Todd Gilligan, Ohio State University)

    Control of the species is possible using:

  • a spray of Kaolin Clay,
  • Pheromone Traps,
  • a Granulovirus ( BACULOVIRIDAE ),
  • the bacterium Bacillus thuringiensis ( BACILLACEAE ),
  • the nematode Steinernema carpocapsae ( STEINERNEMATIDAE ),
  • the egg parasite wasp Trichogramma planteri ( TRICHOGRAMMATIDAE ),
  • the parasitic wasp Mastrus ridibundus ( ICHNEUMONIDAE ).


    Further reading :

    Ian F.B. Common,
    Moths of Australia, Melbourne University Press, 1990, pp. 57-58, 62, 68, 280.

    A.H. Nicholas, W.G. Thwaite & R.N. Spooner-Hart,
    Arthropod abundance in an Australian apple orchard under mating disruption and supplementary insecticide treatments for codling moth, Cydia pomonella (L.) (Lepidoptera: Torticidae), Australian Journal of Entomology, Volume 38, part 1 (January 1999), pp. 23-29.


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