Bug FAQSpotted Firebug
Corizus hyoscyami · Order: Hemiptera · Family: Rhopalidae
Also called: Cinnamon Bug, Scentless bug
Adult spotted firebugs are about 9 mm long and feed on many plants. They overwinter as adults and a new generation appears in late summer, but adults can be seen year-round.
Source: Wikipedia
How to recognize it
The typical subspecies has red third and fourth abdominal segments, while the nigridorsum form has those segments black. The back-side colours can be seen through the wing membrane.
Source: Wikipedia
Size
Adults measure about 9 mm (0.35 in) in length.
Source: Wikipedia
Where it lives
They feed on a wide range of plants.
Source: Wikipedia
What it eats
They are plant feeders on many different species.
Source: Wikipedia
Life cycle
Adults survive the winter and re-appear in August to September as a new generation.
Source: Wikipedia
When you see it
Adults can be found throughout the year.
Source: Wikipedia
Where it comes from
The hyoscyami subspecies occurs across most of Europe and is moving north in Britain, now recorded in Yorkshire. The nigridorsum subspecies is found in Spain, Italy, Morocco and Tunisia.
Source: Wikipedia
Lookalikes
They may be mistaken for the similarly marked firebug Pyrrhocoris apterus, which is unrelated.
Source: Wikipedia
More photos
Same family (Rhopalidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Corizus_hyoscyami
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-22 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.