Small Milkweed Bug vs Alpine Assassin Bug

Side-by-side species comparison

Attribute Small Milkweed Bug Alpine Assassin Bug
Scientific Name Lygaeus kalmii Coranus subapterus
Order Hemiptera Hemiptera
Family Lygaeidae Reduviidae
Size 10-12 mm 9-12 mm body length
Habitat Grasslands Grasslands
Diet Predators Predators
Regions North America Europe, Alps, Mediterranean mountains
Conservation Least Concern Least Concern

Small Milkweed Bug

A boldly patterned red-and-black seed bug that feeds on milkweed seeds and sequesters toxic cardiac glycosides. Its warning coloration advertises its chemical defense to predators.

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Did You Know?

It stores milkweed toxins in its body, making it taste terrible to birds and other predators that try to eat it.

Alpine Assassin Bug

A predatory bug of dry alpine and montane grasslands. It ambushes prey with its powerful raptorial forelegs.

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Did You Know?

It has short wings and rarely flies, relying on stealth to catch prey on the ground.