Neotropical Tiger Longhorn vs Small Milkweed Bug

Side-by-side species comparison

Attribute Neotropical Tiger Longhorn Small Milkweed Bug
Scientific Name Megacyllene acuta Lygaeus kalmii
Order Coleoptera Hemiptera
Family Cerambycidae Lygaeidae
Size 12-22 mm 10-12 mm
Habitat Grasslands Grasslands
Diet Wood Feeders Predators
Regions Brazil, Argentina, Paraguay, Bolivia North America
Conservation Least Concern Least Concern

Neotropical Tiger Longhorn

A wasp-mimicking cerambycid from South America with bold yellow chevron markings on a black body. It breeds in dead branches of leguminous trees. Adults are diurnal flower visitors with quick, jerky movements.

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Did You Know?

The yellow-and-black banding closely mimics aggressive neotropical wasps, providing effective protection from predators.

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.