Poultry Bug vs Milkweed Bug

Side-by-side species comparison

Attribute Poultry Bug Milkweed Bug
Scientific Name Haematosiphon inodorus Oncopeltus fasciatus
Order Hemiptera Hemiptera
Family Cimicidae Lygaeidae
Size 4-5 mm 10-13 mm
Habitat Woodlands Grasslands
Diet Parasites Seed Feeders
Regions North America North America, Central America
Conservation Least Concern Least Concern

Poultry Bug

A cimicid ectoparasite of poultry native to North America that is closely related to bed bugs. Heavy infestations can cause anemia and reduced egg production in chickens.

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Did You Know?

Its natural hosts are cliff-nesting raptors, but it has adapted to parasitize domestic poultry.

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.