Neotropical Bee Assassin vs Milkweed Bug

Side-by-side species comparison

Attribute Neotropical Bee Assassin Milkweed Bug
Scientific Name Apiomerus pictipes Oncopeltus fasciatus
Order Hemiptera Hemiptera
Family Reduviidae Lygaeidae
Size 14-20 mm 10-13 mm
Habitat Underground Grasslands
Diet Omnivores Seed Feeders
Regions South America (Brazil, Colombia, Peru, Ecuador, Venezuela) North America, Central America
Conservation Least Concern Least Concern

Neotropical Bee Assassin

A stout, colorful assassin bug that specializes in capturing bees and wasps visiting flowers. Its bright red, orange, and black coloring may serve as aposematic warning. It coats its forelegs with plant resins to improve grip when seizing fast-moving prey.

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Did You Know?

It has been observed applying resin from specific plant species to its legs in a deliberate, repeated behavior that qualifies as tool use.

Milkweed Bug

A medium-sized bug with bold orange-red and black warning coloration. It feeds on milkweed seeds and sequesters toxic cardiac glycosides for its own defense.

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Did You Know?

This bug has become a widely used laboratory model organism because it is easy to rear, has no diapause requirement, and displays clear warning coloration.