Australian Emerald vs Tansy Beetle

Side-by-side species comparison

Attribute Australian Emerald Tansy Beetle
Scientific Name Hemicordulia australiae Chrysolina graminis
Order Odonata Coleoptera
Family Corduliidae Chrysomelidae
Size Body 4-5 cm; wingspan 6-7 cm 7-11mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Herbivores
Regions Australia, New Zealand Europe
Conservation Least Concern Near Threatened

Australian Emerald

A metallic green-eyed dragonfly common near ponds and slow streams across Australia. It hovers sentrylike over water, earning its alternate name of Sentry Dragonfly.

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Did You Know?

It is sometimes called the Sentry Dragonfly because it hovers motionless over water for extended periods.

Tansy Beetle

A stunning metallic green and copper beetle covered in tiny pits. It is one of the rarest beetles in Britain.

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Did You Know?

In the UK it survives in only a small stretch along the River Ouse near York making it one of Britains most localized insects.