Eudocima cocalus (Cramer, 1777)
(one synonym is : Rhytia crepidolata Lucas, 1894)
Cocalus Fruit Piercing Moth
CATOCALINAE ,   NOCTUIDAE

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

Eudocima cocalus
female
(Photo: courtesy of Buck Richardson, Kuranda)

This caterpillar is patchy grey in colour. It has been found feeding on:

  • Cocculus ( MENISPERMACEAE ).

    Eudocima cocalus
    female
    (Photo: courtesy of Buck Richardson, Kuranda)

    The female adult moths of this species have forewings that are dark brown with several white spots. The hindwings are yellow with a broad black margin. The male moths have patchy brown forewings with no white spots, but the hindwings are orange with a broad black margin. For both sexes, each forewing has a hooked apex, and a concave inner margin. The head and thorax are dark brown, but the abdomen is bright orange. The wingspan is about 6 cms.

    The species has been found in :

  • Indonesia,
    and
  • Queensland.

    The adult moths are pests in Lychee and Carambola orchards. The moths pierce the fruit to suck the juice, thereby damaging the fruit and allowing the ingress of fungal spores and bacteria.

    Various systems have been proposed for controlling the pest including:

  • the wasp Euplectrus melanocephalus ( EULOPHIDAE ), and
  • attractants such as synthetic pheromones.

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    (updated 15 October 2011)