Black Sedge vs Convergent Lady Beetle

Side-by-side species comparison

Attribute Black Sedge Convergent Lady Beetle
Scientific Name Silo nigricornis Hippodamia convergens
Order Trichoptera Coleoptera
Family Goeridae Coccinellidae
Size 7-9 mm body 4-7 mm
Habitat Rivers & Streams Mountains
Diet Omnivores Omnivores
Regions Europe North America
Conservation Least Concern Least Concern

Black Sedge

A caddisfly whose larvae build heavy cases from sand grains cemented with silk. Found in clean, stony streams. Cases have lateral flanges of larger stones for ballast.

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Did You Know?

Larval cases have added flanges of larger stones that act as ballast, preventing the case from being swept away.

Convergent Lady Beetle

A North American ladybird with orange-red elytra and up to 13 black spots. It is the most commonly sold ladybird for biological pest control.

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Did You Know?

Millions gather in mountain canyons to hibernate, and these aggregations have been commercially harvested and sold to farmers.