Psilogramma exigua Brechlin, Lane, & Kitching, 2010
SPHINGINAE ,   SPHINGIDAE ,   BOMBYCOIDEA
 
Don Herbison-Evans,
(donherbisonevans@outlook.com)
and
Stella Crossley

Psilogramma exigua
(Photo: courtesy of Craig Nieminski, Darwin, Northern Territory)

This caterpillar is green with a series of diagonal white stripes on its sides, and on the tail: a (harmless) white spike with a black tip. There are warts on the thorax.

The adult moth of this species has long narrow greyish forewings, with variable darker grey and white wavy patterns. The hindwings are grey with a pale area along the inner margins. The thorax The wingspan can be over 8 cms.

The eggs are laid singly on the underside of a foodplant leaf. The eggs are nearly spherical and white, turning orange as hatching approaches.

Psilogramma exigua
(Photo: courtesy of Graeme Cocks, Townsville, Queensland)

The species occurs in Australia in

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


    Further reading:

    Ronald Brechlin & Ian J. Kitching,
    Four new species of the genus Psilogramma Rothschild & Jordan, 1903 Lepidoptera, Sphingidae),
    Entomo-satsphingia,
    Volume 3, Part 3c (2010), pp. 66-74.


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    (updated 3 April 2013, 24 February 2015)