Box Bug
Gonocerus acuteangulatus

Gonocerus acuteangulatus is a herbivorous species of true bug in the family Coreidae. It is commonly known as the box bug in the UK as it once only occurred in Box Hill in Surrey where it fed on box trees. Source
Where it is now
In the last 8 weeks this insect was recorded 11 times across 2 areas (each area is a 5 degree square).
See the Box Bug on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in Europe ranged from 43°N in August to 53°N in March, about 1,000 km apart.
Arrival dates
The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| Europe | 5 January 2026 | 6 April 2026 | 5 January 2026 | 2 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.