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New chrysomelid on Acacia melanoxylon

Scion is the leading provider of forest-related knowledge in New Zealand
Formerly known as the Forest Research Institute, Scion has been a leader in research relating to forest health for over 50 years. The Rotorua-based Crown Research Institute continues to provide science that will protect all forests from damage caused by insect pests, pathogens and weeds. The information presented below arises from these research activities.

From Forest Health News 53, June 1996.

This has been identified, by Chris Reid, James Cook University, Queensland, at a cost of AU$200 (how many new introductions can we afford?), as Dicranosterna semipunctata Chapuis. It is rare in Australia (NE NSW - SE Qld) and thought to be heavily parasitised by tachinids. It has been reported as feeding on large-phyllode  Acacia spp. So far only adults have been found in Auckland feeding on A.melanoxylon. They are the same size as Paropsis charybdis but shiny and toffee-brown in colour. The larvae should be light green with a globular abdomen. Eggs are laid singly - where?

Nod (Malcolm) Kay, NZ FRI

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