large milkweed bug

Oncopeltus fasciatus

Member of seed bugs (family Lygaeidae)
seed bugs and allies (superfamily Lygaeoidea)
pentatomomorph bugs (infraorder Pentatomomorpha)
true bugs (suborder Heteroptera)
insects (class Insecta)
hexapods (subphylum Hexapoda)
arthropods (phylum Arthropoda)
animals (kingdom Animalia)

Caution: There may be other wild species of this genus not yet included in this guide.

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• orange (or dark yellow) back with black band across middle, black diamond covering posterier, black diamond covering most of anterior (including pronotum), but with an orange border

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Chris’s observations: 2 (all are research grade)

Locations:

• Pinnacles NP: 2

Months:

• Oct.: 2

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Taxon info: iNaturalist – BugGuide

Bay Area species: iNaturalist