Red Assassin Bug vs Blue Milkweed Beetle

Side-by-side species comparison

Attribute Red Assassin Bug Blue Milkweed Beetle
Scientific Name Rhynocoris iracundus Chrysochus cobaltinus
Order Hemiptera Coleoptera
Family Reduviidae Chrysomelidae
Size 12-18 mm 8-12 mm
Habitat Grasslands Grasslands
Diet Herbivores Herbivores
Regions Europe, western Asia North America
Conservation Least Concern Least Concern

Red Assassin Bug

A striking red and black assassin bug common in European meadows and grasslands. It is a generalist predator that hunts among flowers and vegetation. The bright red coloration serves as a warning to potential predators.

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Did You Know?

It hunts by ambush among wildflowers, using its raptorial forelegs to snatch visiting pollinators and other flower-visiting insects.

Blue Milkweed Beetle

A stunningly beautiful beetle with a deep cobalt blue metallic sheen across its rounded body. It feeds on milkweed and dogbane plants, sequestering toxic cardenolides for defense.

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Did You Know?

This beetle sequesters heart-stopping toxins from milkweed plants in its blood, making it poisonous to any predator that eats it.