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Phylum Arthropoda > Class Insecta
Giant shield bug
Pycanum sp.
Family Tessaratomidae
updated Nov 2019

Where seen? These brightly coloured bugs are sometimes seen on Simpoh air (Dillenia suffruticosa) which they are believed to feed on.

What are shield bugs? They are True Bugs that belong to Order Hemiptera. All members of the Family Tessaratomidae feed on plants, sucking the sap. Some are agricultural pests, some can produce defensive chemicals. Some also look after their eggs.

Features: Adult about 3cm long, green with orange-black banding on the lower body edge. Nymphs somewhat rectangular smaller, green or red.

Adult on Simpoh air leaf.
Pulau Ubin, Feb 04

Nymph on Simpoh air leaf.
Pulau Ubin, Feb 04

Labrador, Dec 15
Photo shared by Marcus Ng on flickr.

Giant shield bugs in Singapore
On wildsingapore flickr


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