Rhuma thiobapta (Turner, 1936)
(formerly known as Oxyphanes thiobapta)
 GEOMETRINAE,   GEOMETRIDAE,   GEOMETROIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Rhuma thiobapta
(Photo: courtesy of Ken Harris, Churchill, Victoria)

The adult moths of this species have grey forewings each wing having a broad darker area along each edge, and a vague dark spot in the middle. The hindwings are pale yellow with a broad black band along the margin, and a black spot near the middle. The wingspan is about 2.5 cms.

Rhuma thiobapta
male
(Photo: courtesy of Olga Schmidt, Queensland Museum)

Specimens of this species have been taken in

  • Western Australia,
  • Northern Territory,
  • Queensland, and
  • Victoria.

    Rhuma thiobapta
    male, underside
    (Photo: courtesy of Olga Schmidt, Queensland Museum)

    Further reading :

    Peter Marriott,
    Moths of Victoria: Part 4,
    Emeralds and Allies - GEOMETROIDEA (B)    ,
    Entomological Society of Victoria, 2011.

    Olga Schmidt,
    An annotated and illustrated list of the primary type specimens of geometrid moths deposited in the Queensland Museum (Australia, Brisbane),
    Spixiana,
    Volume 5, Part 1 (2012), pp. 79-100, Figs. 33 a,b.

    A. Jefferis Turner,
    New Australian Lepidoptera,
    Proceedings of the Royal Society of Queensland,
    Volume 47 (1936), p. 27.

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    (written 6 July 2013, updated 16 June 2015, 21 April 2021)