Hymenoptychis sordida Zeller, 1852
Pneumatophore Moth
(one synonym : Syrbatis tipuliformis Walker, 1863)
SPILOMELINAE,   CRAMBIDAE,   PYRALOIDEA
 
Don Herbison-Evans
(donherbisonevans@outlook.com)
and
Stella Crossley


Photo: courtesy of Kelvin K. P. Lim, Dennis H. Murphy, T. Morgany, N. Sivasothi, Peter K. L. Ng, B. C. Soong, Hugh T. W. Tan, K. S. Tan, & T. K. Tan,
"A Guide to Mangroves of Singapore"
BP Guide to Nature Series published by the Singapore Science Centre, sponsored by British Petroleum, 2001,
Raffles Museum of Biodiversity Research, The National University of Singapore & The Singapore Science Centre.

The Caterpillars of this species are brown. They feed on vegetarian detritus in Mangrove swamps (fruit, leaves, roots, rotting wood). The caterpillars live in a silk shelter below the high tide level, so get flooded twice a day.


male
(Photo: courtesy of Graeme Cocks, Townsville, Queensland)

The adult moths are brown. The males have unusually long wings, and have a long tapering abdomen, from the tip of which they can evert coremata. The females have more rounded wings than the males. The wingspan is about 2.5 cms.


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

The species occurs across the Indian Ocean, including

  • Madagascar,
  • Natal,
  • Singapore,

    and also Australia in

  • Western Australia, and
  • Queensland.


    Further reading :

    Philipp C. Zeller,
    Lepidoptera Microptera, quae J.A. Wahlberg in caffrorum terra collegit,
    Kongliga Svenska Vetenskaps-Academiens Nya Handlingar,
    Volume 40 (1852), p. 65.


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    (written 27 January 2013, updated 31 January 2013)