Adelphocoris lineolatus
In 3 days ~20% in a week ~40%
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.
Calocoris chenopodii Calocoris chenopodii implagiata Calocoris chenopodii lineolatus Calocoris lineolatus bisbipunctatus Reuter, 1891 Adelphocoris lineolatus are an Old World Species native to Western Europe, Northern Africa, Asia, and the Middle East. In 1917, this species had been introduced into Canada and the United States. In the Nearctic realm, these insects range from Southern Ontario and Northeastern United States, to the south of North Carolina, and west of Colorado.
Alfalfa plant bugs require a certain set of optimal conditions in order to thrive and become a pest in any country. A. lineolatus are primarily located in... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 2 | Vanoise National Park | 🇫🇷 France | |
| 3 | Ecrins National Park | 🇫🇷 France | |
| 4 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 5 | Fertő-Hanság National Park | 🇭🇺 Hungary | |
| 6 | Cévennes National Park | 🇫🇷 France | |
| 7 | Pyrénées National Park | 🇫🇷 France | |
| 8 | Wadden Sea National Park | 🇩🇪 Germany |
With luck
About 10% of wildlife watchers report an Alfalfa Plant Bug sighting in Pyrénées National Park on a given day, based on 34 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 415th most-seen of the 1277 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
June to October
In those months about 10% of wildlife watchers report an Alfalfa Plant Bug in Pyrénées National Park on a given day, against under 5% in November to May, the lowest months.
Between 3 and 6 pm
Across all the parks we cover, that three-hour window holds the most Alfalfa Plant Bug sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Among the best
Of the 8 parks where we can rate Alfalfa Plant Bug sightings, Pyrénées National Park ranks 7th at about 10%, level with the leaders once rounded. The best odds are in Sierra Nevada National Park (Spain, about 10%), Vanoise National Park (France, about 10%) and Ecrins National Park (France, about 10%).
GBIF citizen-science records
It is estimated from how often the Alfalfa Plant Bug is recorded against all the insects logged in Pyrénées National Park (34 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
