Osmylid Lacewings
Mantid Lacewing I
Mantid Lacewing II
Mantid Lacewing III  
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Golden Eye Lacewing
Citrus Mealybug Predator
Blue Eyes Lacewing
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Green Large Lacewing
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Angular-wing Lacewing
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Banded Lacewing
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Slender Brown Lacewing
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Silver Giant Lacewing
Black Giant Lacewing 
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Silver Giant Lacewing - Stilbopteryx costalis

Family Myrmeleontidae

This page contains pictures and information about Silver Giant Lacewings that we found in the Brisbane area, Queensland, Australia.
Silver Lacewing - adult, body length 35mm 
Silver Lacewings are one of the most beautiful insects that we ever saw. They are large in size, with silvery-grey colour body. They are the very good flyer comparing with the other Lacewings species that we found. Their two pairs of large wings are equal in size. They may miss-recognized as dragonflies when flying. However, they fly in a lower speed and rest most of the time. They cannot turn quickly in the air as dragonfly.
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Photo: Claire deLacey, Sydney
Steve Chamberlain from Sydney sent us this photo and advised that this photo was taken on July 2004 in Royal National Park (just south of Sydney).
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In Dec 2005, we saw at least two of them in Karawatha Forest, Brisbane. We did not saw them in any other places. They rest like a Owl-fly. But its short and clubbed antenna tell that it is in the Myrmeleontidae family.
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Then we saw this lacewing a few times in Karawatha Forest during summer season. They like to rest on dead tree and dry stem.
The larvae are huge and black, with round, spiny and flattened body. Their head is big with large jaws. They live in debris on ground.

Reference and Link:
1. Insects of Australia and New Zealand - R. J. Tillyard, Angus & Robertson, Ltd, Sydney, 1926, p324. 
2. Dragonflies and Lacewings - Australian Museum 2004
3. Stilbopteryx costalis - Australian Faunal Directory, Australian Biological Resources Study.
4. A new genus and key to the species of Australian Stilbopterygidae (Neuroptera). Riek, E.F. (1968), J. Aust. Entomol. Soc. 7: 105-108.
5. The family Stilbopterygidae (Neuroptera) in Australia. Riek, E.F. (1976), J. Aust. Entomol. Soc. 15: 297-302 
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Last updated: June 09, 2012.