Asmicridea edwardsii (McLachlan, 1866)
Net-spinning Caddisfly"
Shannon Moth
 HYDROPSYCHIDAE,   TRICHOPTERA
  
Don Herbison-Evans
(donherbisonevans@yahoo.com )
and
Stella Crossley


(Photo: courtesy of Michael Quinn, Jagungal Wilderness, New South Wales)

These insects are not true Moths, but are in the family HYDROPSYCHIDAE.

The larvae live in streams, each living in a 'case' or 'retreat' which they make and cover in pebbles, sand, or detritus. The larvae can carry their case on their body, or attach the retreat to a rock, and also some construct a net attached to the retreat to catch passing food items.


(Photo: courtesy of Alison Milton)

The adults emerge from the water in groups, facilitating mating. The moths are grey with variable dark markings. The wingspan is about 2 cms.

The insects are found in

  • New South Wales, and
  • Victoria, and
  • Tasmania.

    Further reading:

    R. McLachlan,
    Descriptions of new or little-known genera and species of exotic Trichoptera,
    Transactions of the Entomological Society of London,
    Series 3, Volume 5 [June 1866] p. 269.

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    (written 30 September 2017, updated 30 June 2019)