Comocrus behri (Angas, 1847)
Mistletoe Day Moth
(one synonym : Agarista casuarinae Scott, 1864)
AGARISTINAE,   NOCTUIDAE,   NOCTUOIDEA
 
Don Herbison-Evans
(donherbisonevans@yahoo.com)
and
Stella Crossley

Comocrus behri
(Photo: Don Herbison-Evans, Yulara, Northern Territory)

The body of this Caterpillar is black with white spots, and it has brown legs, head, and tail.

Comocrus behri
defensive posture
(Photo: Don Herbison-Evans, Yulara, Northern Territory)

When disturbed, the caterpillar rears up, lifting its head and thorax. The caterpillar feeds on:

  • Mistletoe ( LORANTHACEAE ).

    Comocrus behri
    (Photo: courtesy of Brenda Martin, Pambula, New South Wales)

    The adult moths have wings that are black with white straight and zigzag lines. The abdomen is black on top and has orange stripes underneath, and a scarlet tuft on the tail.

    Comocrus behri
    mating couple, showing undersides
    (Photo: courtesy of Eileen Collins, Chiltern, Victoria)

    The adult is a day-flying moth, with a wingspan of up to 5 cm.

    Comocrus behri
    (Specimen: courtesy of the The Australian Museum)

    The species is found on mainland Australia, including:

  • Northern Territory,
  • Queensland,
  • New South Wales,
  • Australian Capital Territory,
  • Victoria,
  • South Australia, and
  • Western Australia.


    Further reading :

    George French Angas,
    South Australia illustrated,
    Thomas McLean, London, Part 7 (1847), Plate 37.

    Arthur Bartholomew,
    Agarista casuarinae,
    Prodromus of the Zoology of Victoria, 1861, Museum of Victoria.

    Ian F.B. Common,
    Moths of Australia,
    Melbourne University Press, 1990, pp. 447, 464.

    Pat and Mike Coupar,
    Flying Colours,
    New South Wales University Press, Sydney 1992, p. 68.

    Peter B. McQuillan, Jan A. Forrest, David Keane, & Roger Grund,
    Caterpillars, moths, and their plants of Southern Australia,
    Butterfly Conservation South Australia Inc., Adelaide (2019), pp. 13, 20, 174.

    Peter Marriott,
    Moths of Victoria - Part 8,
    Night Moths and Allies - NOCTUOIDEA(B)
    ,
    Entomological Society of Victoria, 2017, pp. 34-35.


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    (updated 9 December 2009, 18 September 2013, 29 January 2014, 15 March 2015, 19 August 2020)