Elachista mundula Kaila, 2011
ELACHISTIDAE ,   GELECHIOIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley


side view
Photo: courtesy of Lauri Kaila,
Elachistine Moths of Australia: (Lepidoptera: Gelechioidea: Elachistidae),
Monographs on Australian Lepidoptera Vol. 11,
CSIRO Publishing, 2011, p. 191, fig 87.

The Caterpillars of this species are smooth, long, thin, and flattened, with a pointed head and tail.


dorsal view
Photo: courtesy of Lauri Kaila,
Elachistine Moths of Australia: (Lepidoptera: Gelechioidea: Elachistidae),
Monographs on Australian Lepidoptera Vol. 11,
CSIRO Publishing, 2011, p. 191, fig 87.

The caterpillars have been found feeding on

  • Red-fruit Saw-sedge ( Gahnia sieberiana, CYPERACEAE ).

    The caterpillars bore downwards into a leaf of their foodplant creating a translucent yellowish mine between the upper and lowers skins of the leaf. The mine is initially narrow, and broadens as the caterpillar matures, reaching a length of up to 12 cms.


    (Photo: courtesy of CSIRO/BIO Photography Group, Centre for Biodiversity Genomics, University of Guelph, digitally repaired)

    When mature: the caterpillar exits the mine and forms a naked pupa attached to an adjacent leaf by a silk girdle and some hooks on the underside of the pupa.

    The adult moths have fawn forewings with scattered dark dots and dashes. The hindwings are plain fawn. The moths have a wingspan of about 1 cm.

    The species has been found in

  • Victoria,
  • Tasmania, and
  • South Australia.


    Further reading

    Lauri Kaila,
    Elachistine Moths of Australia: (Lepidoptera: Gelechioidea: Elachistidae),
    Monographs on Australian Lepidoptera Vol. 11,
    CSIRO Publishing, 2011, pp. 17, 20, 27, 38, 54, 61, 190-192, 268, 285, 355, 412, including Pls. 11.9, 11.10, 28.4; Figs. 86, 87, 256, 257, 406.


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    (written 18 June 2017, updated 5 July 2017)