Rhynchina obliquarlis (Kollar, 1844)
(one synonym: Hypena masurialis Guenée, 1854)
HYPENINAE ,   NOCTUIDAE

Don Herbison-Evans ( donherbisonevans@yahoo.com )
and
Maik Bippus & Stella Crossley


(Photo: courtesy of Nick Monaghan, Tewantin, Queensland)

The Caterpillars of this species have been found feeding on :

  • Wandering Jew ( Commelina cyanea, COMMELINACEAE ).


    oops: slightly missing the starboard rear wing!
    (Specimen: from Wingham, New South Wales,
    courtesy of the Macleay Museum, University of Sydney)

    The adult moths have dark brown wings with a diagonal line from near the wingtip to halfway along the rear edge of each forewing. They have a wingspan of about 2 cms.

    Specimens have been taken in

  • Cook Islands,
  • Fiji,
  • Japan,
  • Taiwan,
    as well as in Australia in
  • Queensland,
  • New South Wales,
  • Australian Capital Territory, and
  • Norfolk Island.

    Kollar's 1844 holotype was lost for a period, during which the replacement name Hypena masurialis Guenée, 1854, was suggested. Subsequently the holotype was found and so the replacement name is no longer unnecessary.

    Hypena obacerralis is superficially very similar to Rhynchina obliquarlis, and they are confused in many collections. We hope we got the above photos correctly identified.


    Further reading :

    Ian F.B. Common,
    Moths of Australia, Melbourne University Press, 1990, p. 448.

    Lödl,
    Zur Wiederauffindung der Type von Rhynchina obliqualis (KOLLAR, 1844) (Hypena) comb.n. im Naturhistorischen Museum in Wien, nebst Bemerkungen zur Synonymie (Inserta: Lepidoptera: Noctuidae), Ann. Naturhist. Mus. Wien, 96 B (1994), pp. 369-372.


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    (updated 15 April 2013)