Conenose Bug vs Shield Bug

Side-by-side species comparison

Attribute Conenose Bug Shield Bug
Scientific Name Triatoma protracta Palomena prasina
Order Hemiptera Hemiptera
Family Reduviidae Pentatomidae
Size 17-22 mm 12-14 mm
Habitat Deserts & Drylands Underground
Diet Blood Feeders Sap Feeders
Regions Western United States, Northern Mexico Europe, Asia
Conservation Least Concern Least Concern

Conenose Bug

A kissing bug native to the western United States that commonly enters homes to feed on sleeping residents. Its bite can cause severe allergic reactions in sensitized individuals.

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Did You Know?

Repeated bites can lead to anaphylactic shock in sensitized individuals, requiring emergency treatment.

Shield Bug

Also called stink bugs for the foul-smelling liquid they release when disturbed. Changes color from bright green in summer to bronze-brown before overwintering.

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Did You Know?

Shield bugs can change color with the seasons — they produce green pigment in summer for leaf camouflage and switch to brown in autumn as leaves change.