Sierra’s Bug Book
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Boxelder Bug
species · identified

Boxelder Bug

Boisea trivittata

Boxelder bugs are native to North America and have distinct red/orange stripes and is harmless to humans and structures. It feeds on seeds and sap of boxelder, maple, and ash trees. They can leave unpleasant smells and stains when crushed.

Recorded lineage
kingdomAnimaliaphylumArthropodaclassInsectaorderHemipterafamilyRhopalidaegenusBoiseaspeciesBoisea trivittata
Observed
Jul 14, 2026
Location
Big Sur, California

More from this encounter

Boxelder Bug, photograph 2Boxelder Bug, photograph 3