Red Spiny Assassin Bug - Scipinia arenacea 

Family Reduviidae

This page contains pictures and information about Red Spiny Assassin Bugs that we found in the Brisbane area, Queensland, Australia.

Body length 15mm
Although this Red Assassin Bug is medium in size, its fore legs is very strong and spiny. The bug is orange-red in colour with black wings. Its legs are orange-red too. There are the strong spines on head and on pronotum.
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The pictures above show the assassin bug feeding a ladybird larva on a Milkweed plant. We found this assassin bug when we were studying ladybird larvae as predator on aphids. Somehow the ladybird larva became the prey. We took those pictures in early spring in a bushland near Macgregor bushland in Brisbane summer Dec 2002. 
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The second time we found this assassin bug was in Brisbane Botanic Garden Jun 2008. The bug was hunting on citrus tree.
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It was an active flier. It flied between leaves when we taking those photos.
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We found the assassin bug again on May 2010 next to Bulimba Creek near Wishart.

1. Scipinia horrida - Insects of Taiwan, 2007
2. Scipinia arenacea - lifeseen.com, by Nick Monaghan. 

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Last updated: August 15, 2010.