Ethmia nigroapicella (Saalmüller, 1880)
Kou Leafworm
(one synonym Psecadia apicalis Matsumura, 1931)
ETHMIIDAE,   GELECHIOIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Ethmia nigroapicella
(Photo: courtesy of John Mills)

The Caterpillars of this species are black or dark green with 3 yellow stripes, and pale bands between segments.

The caterpillars feed on members of the family BORAGINACEAE :

  • Manjack ( Cordia species), and
  • Koda ( Ehretia species).

    The Caterpillars spin threads of silk between the tree and the ground, and use them to commute. The caterpillars have a length of about 3 cm.

    Ethmia nigroapicella
    (Photo courtesy of Thalavai Pandi, Tirunelveli, India)

    The adult moths have grey forewings, with a row of black spots along the wing edges, and a further pattern of black spots over each fore wing. The hindwings are yellow with a large black area on each wing tip. The wingspan is about 2.5 cms.

    Ethmia nigroapicella
    (Photo: courtesy of CSIRO/BIO Photography Group, Centre for Biodiversity Genomics, University of Guelph)

    This species may be found from Madagascar to the Pacific, including

  • Hawaii,
  • India,
  • Seychelles,
  • Taiwan,

    and has been found in the northern tropics of Australia in

  • Northern Territory, and
  • Queensland.

    Ethmia nigroapicella

    Kiribati 1980


    Further reading :

    Ian F.B. Common,
    Moths of Australia, Melbourne University Press, 1990, pp. 248-249.

    Jerry A. Powell,
    Biology and Immature Stages of Australian Ethmiid Moths (Gelechioidea),
    Journal of Research on the Lepidoptera,
    Volume 20 (1981), Number 4, pp. 214-234.

    Max Saalmüller,
    Neue Lepidopteren aus Madagaskar, die sich im Museum der Seckenberg,
    Bericht über die Senckenbergischen Naturforschende Gesellschaft,
    1879-1880, p. 310, No. 93.


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    (updated 26 March 2009, 4 June 2023)