Eucalyptus Tortoise Beetle vs Crawling Water Beetle

Side-by-side species comparison

Attribute Eucalyptus Tortoise Beetle Crawling Water Beetle
Scientific Name Paropsis charybdis Haliplus ruficollis
Order Coleoptera Coleoptera
Family Chrysomelidae Haliplidae
Size 9-12 mm 2-3 mm
Habitat Farmland Ponds & Lakes
Diet Herbivores Herbivores
Regions Australia (native), introduced to New Zealand Europe
Conservation Least Concern Least Concern

Eucalyptus Tortoise Beetle

A pale yellowish-brown beetle with dark spots on the elytra and a characteristic domed tortoise-like shape. It is a major defoliator of Eucalyptus plantations in New Zealand.

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Did You Know?

It has become one of the most significant forestry pests in New Zealand, where it was accidentally introduced and has no native natural enemies.

Crawling Water Beetle

A tiny, oval water beetle with a yellowish body covered in rows of dark punctures. Unlike diving beetles, it crawls slowly among aquatic vegetation rather than swimming actively.

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Did You Know?

It stores air beneath enlarged hind coxal plates, which act as a built-in oxygen reservoir while submerged.