Ribbed Case Moth - Hyalarcta nigrescens

Family Psychidae

This page contains information and pictures about Ribbed Leaf Case Moths that we found in the Brisbane area, Queensland, Australia.

Case length 50mm                                                                                      

 

 

 

The bag was found hanging from gum tree leaf. Unlike other species in this family, this bag moth caterpillars make their case with silk only, without any plant materials attached. All bags they made has the prominent longitudinal ribs.

 

The female adult is wingless and never leave her case. The male is black in colour with transparent wings and light brown antenna.  

   

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Reference:

1. Hyalarcta nigrescens - Caterpillars of Australian Moths - Don Herbison-Evans & Stella Crossley, 2005.

2. Moths of Australia - I. F. B. Common, Melbourne University Press, 1990, p180.

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Last updated: October 05, 2007.