Ambia eromenalis (Snellen, 1880)
 (formerly known as Coenostola eromenalis)
ACENTROPINAE,   CRAMBIDAE,   PYRALOIDEA
 
Don Herbison-Evans,
(donherbisonevans@yahoo.com)
and
Stella Crossley

Ambia eromenalis
(Photo: courtesy of Buck Richardson, Kuranda, Queensland)

The caterpillars of this species have been found feeding on the leaves of aquatic plants in the genus:

  • Water Thyme ( Hydrilla, HYDROCHARITACEAE )

    The adult moths have an intricate brown and white pattern on the wings.

    The species has been found in :

  • Borneo,

    as well as in Australia in

  • Queensland.

    The species has been suggested as a control agent in USA for Esthwaite Waterweed (Hydrilla verticillata), which is pest in waterways there.

    Some taxonomists moved the species to the genus Nymphula, and others to Paracymoriza. The species is also commonly confused with the Malaysian and Micronesian species Ambia ptolycusalis Walker, 1859.

    Further reading:

    Buck Richardson,
    Tropical Queensland Wildlife from Dusk to Dawn Science and Art,
    LeapFrogOz, Kuranda, 2015, p. 26.

    Pieter Cornelius Tobias Snellen,
    Nieuwe Pyraliden op Celebes gevonden,
    Tijdschrift voor Entomologie,
    Volume 23 (1880), p. 226.

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    (updated 9 March 2012, 8 March 2016)