Common Spotted Ladybird vs Riffle Beetle

Side-by-side species comparison

Attribute Common Spotted Ladybird Riffle Beetle
Scientific Name Harmonia conformis Elmis aenea
Order Coleoptera Coleoptera
Family Coccinellidae Elmidae
Size 5-7 mm 1.5-2.5 mm
Habitat Farmland Rivers & Streams
Diet Omnivores Detritivores
Regions Australia, Oceania Europe
Conservation Least Concern Least Concern

Common Spotted Ladybird

Australia's most common native ladybird, with a variable orange body covered in numerous black spots. It is an important biological control agent, voraciously consuming aphids and other plant pests.

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Did You Know?

A single adult can consume over 2,400 aphids during its lifetime, making it invaluable for pest control in agriculture.

Riffle Beetle

A tiny, dark beetle that spends its entire adult life underwater clinging to rocks in riffles. It breathes using a plastron, a permanent thin film of air.

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Did You Know?

Its plastron air film never needs replenishing, allowing it to remain permanently submerged.