Lucerne Bug
Adelphocoris lineolatus

Adelphocoris lineolatus, is commonly known as the Lucerne bug or the alfalfa plant bug, and belongs to the family Miridae. It is an agricultural pest causing vast amounts of damage to numerous crops, but primarily to alfalfa crops around the globe. Source
Where it is now
In the last 8 weeks this insect was recorded 9 times across 3 areas (each area is a 5 degree square).
See the Lucerne Bug on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in Europe ranged from 47°N in July to 60°N in August, about 1,400 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 | 6 July 2026 | 13 July 2026 | 20 July 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.