Syntherata escarlata Lane, Edwards & Naumann, 2010
SATURNIIDAE,   BOMBYCOIDEA
  
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley

Syntherata escarlata
(Photo: courtesy of Scott Gavins, Fraser Coast, Queensland)

These Caterpillars are green with a pale yellow line along each side. Mature caterpillars have red tubercles along the back, each with pale yellow setae. In this way they differ from those of the related species Syntherata janetta which has green tubercles.

Syntherata escarlata
(Photo: courtesy of Ethan Beaver, Kuranda, Queensland)

The caterpillars have been found feeding on

  • Red Ash ( Alphitonia excelsa, RHAMNACEAE ).

    Syntherata escarlata
    (Photo: courtesy of Ethan Beaver, Kuranda, Queensland)

    The caterpillars pupate in round brown stiff cocoons attached to a twig and leaves of its foodplant.

    Syntherata escarlata
    male
    (Photo: courtesy of Ethan Beaver, Kuranda, Queensland)

    There is some variation in the coloration of adults of this species. The basic adult moth is yellow with three zig-zag brown lines across each forewing. The forewings also each have a small brown-outlined transparent dot in the middle. The hindwings have two zig-zag brown lines and a submarginal arc of dark spots.

    Syntherata escarlata
    female
    (Photo: courtesy of Ethan Beaver, Kuranda, Queensland)

    However, the wings can have large rusty brown areas The males have rounded tips to the forewings. In this way they differ from those of the related species Syntherata janetta. The moth typically has a wingspan of 11 cms.

    Syntherata escarlata
    eggs, magnified
    (Photo: courtesy of Scott Gavins, Fraser Coast, Queensland)

    The eggs are spheroidal with a width of about 1 mm. The eggs are laid in untidy groups on a foodplant. The eggs are whte or pale green.

    Syntherata escarlata
    underside
    (Photo: courtesy of Scott Gavins, Fraser Coast, Queensland)

    The species has been found in Australia in

  • Queensland.


    Further reading :

    David A. Lane, (Ted) E.D. Edwards, & Stefan Naumann,
    A revision of the genus Syntherata Maasen, 1873 (Lepidoptera: Saturniidae) within Australia, with the description of three new species, and descriptions of their life histories,
    The European Entomologist,
    Volume 3, Part 1 (2010), pp. 21-27, figs. 6, 19, 54-69.


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    (written 12 February 2017, updated 13 November 2017)