Thallarcha jocularis (Rosenstock, 1885)
The Jester
(previously known as Mosoda jocularis)
LITHOSIINI,   ARCTIINAE,   EREBIDAE,   NOCTUOIDEA
  
Don Herbison-Evans,
(donherbisonevans@yahoo.com)
and
Stella Crossley

Thallarcha jocularis
(Photo: courtesy of Peter Marriott, Moths of Victoria: Part 2)

This Caterpillar has been found eating

  • Fragrant Doubletail ( Diuris fragrantissima, ORCHIDACEAE ).

    Thallarcha jocularis
    (Photo: courtesy of Peter Marriott, Moths of Victoria: Part 2)

    The adult moths of this species have white forewings each with four broken black zigzag transverse lines, the basal one of which is falciform (sickle-shaped), as well as black markings along the outer margin, and a broad yellow line along the hind-margin. The hindwings are yellow, each with a black mark near the middle, and a black band around the wingtip. The head and thorax are black with white markings. The abdomen is yellow. The wingspan is about 2 cms.

    Thallarcha jocularis
    black and white drawing by Rudolph Rosenstock
    ,
    Notes on Australian Lepidoptera, with descriptions of new species,
    Volume 5, Part 16 (1885), Plate XI, fig. 6,
    image courtesy of Biodiversity Heritage Library, digitized by Ernst Mayr Library, Harvard University.

    The species has been found in :

  • New South Wales,
  • Victoria, and
  • Tasmania.


    Further reading :

    Peter Marriott,
    Moths of Victoria - Part 2,
    Tiger Moths and Allies - NOCTUOIDEA (A)
    ,
    Entomological Society of Victoria, 2009,, pp. 24-25.

    Rudolph Rosenstock,
    Notes on Australian Lepidoptera, with descriptions of new species,
    Annals and Magazine of Natural History,
    Volume 5, Part 16 (1885), pp. 381-382, No. 224, and also Plate 11, fig. 6.


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    (written 11 July 2013, updated 22 April 2020)