Ambia ptolycusalis Walker, 1859
(one synonym: Coenostola eromenalis, Snellen, 1880)
NYMPHULINAE   ,    CRAMBIDAE

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

Ambia ptolycusalis
(Photo: courtesy of Buck Richardson, Kuranda)

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

  • Esthwaite Waterweed ( Hydrilla, HYDROCHARITACEAE )

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

    The species has been found in :

  • Queensland.

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


    Further reading:

    Joseph K. Balciunas, T. D. Center, and F. A. Dray, Jr.,
    Testing suitability of Australian bioagents for control of Hydrilla verticillata,
    U.S. Army Engineer Waterways Experiment Station Technical Report, A-89-1 (1989), Vicksburg, Mississippi, USA, pp. 24-27.

    Dale H. Habeck and Joseph K. Balciunas
    Larvae of Nymphulinae (Lepidoptera: Pyralidae) associated with Hydrilla verticillata (Hydrocharitaceae) in North Queensland, Australian Journal of Entomology, Volume 44, Issue 4 (November 2005), pp 354-363.


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    (updated 6 September 2010)