Imperial Blue


Purple Line Blue - Prosotas dubiosa


This page contains information and pictures about Purple Line Blue Butterflies in the Brisbane area, Queensland, Australia. They are also known as Small Purple Line Blues.

Wingspan 20mm, male
This is a small Line-blue butterfly. It looks similar to the Short-tailed Line-blue but has no "tails". 
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In later summer March 2008, we found females laying eggs on Wattle Acacia in Mt Coot-tha. There were quite a number of them there. 
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Picture taken in Botanic Garden, early summer 2002.
Caterpillars feed on flowers and flower buds of many native plants include Acacia. Caterpillars are not attended by ants. 

1. Prosotas dubiosa (Semper, [1879]) - Australian Caterpillars, Don Herbison-Evans & Stella Crossley, 2005.
2. The Complete Field Guide to Butterflies of Australia - Michael F Braby, Australian National University, CSIRO 2004, p276. 

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Up ] Small Green Banded Blue ] Whitebanded Line-blue ] Short-tailed Line-blue ] [ Purple Line Blue ] Speckled Line Blue ] Cycad Blue ] Wattle Blue ] Zebra Blue ] Long-tailed Pea-blue ] Common Grass Blue ]


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Last updated: July 20, 2010.