Risoba obstructa Moore, 1881
(one synonym: Risoba grisea Bethune-Baker, 1906)
 SARROTHRIPINAE ,   NOLIDAE

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

Risoba obstructa
(Photo: courtesy of Buck Richardson, Kuranda)

These Caterpillars are purplish-brown, with pale streaks along the body, and a hump on the tail. They have have been recorded on plants from many families, including:

  • Terminalia ( COMBRETACEAE ),
  • Xylia ( FABACEAE ),
  • Lagerstroemia ( LYTHRACEAE ) and
  • Sterculia ( STERCULIACEAE ).

    The adult moth of this species is greyish-brown with a dark subterminal line and a number of dark marks toward the apex of each forewing. The hindwings are buff coloured, with broad dark margins.

    Risoba obstructa
    male
    from Illustration 5 on Plate CLXXXVI of Hampson's Noctuidae of the British Museum, 1903-1913.
    (Courtesy of Joe Kunkel, University of Massachusetts)

    The species has been found across south-east Asia, including

  • Borneo,
    and in Australia in
  • Queensland.

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    (updated 29 October 2011)