Parectopa robiniella
In 3 days ~10% in a week ~30%
Parectopa robiniella, the locust digitate leafminer, is a moth of the family Gracillariidae. It is native to North America, but was accidentally introduced to Italy, where it was first found in 1970. It has now been recorded from Italy, France, Germany, Slovenia, Croatia, Austria, Serbia, Slovakia, Romania, Ukraine and Hungary.
The wingspan is about 5 mm. The moth flies in two to three generations per year in Hungary. The larvae feed on Robinia species, including Robinia pseudoacacia. It mines the leaves of the host plant. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 2 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 3 | Shenandoah National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kyiv | 🇺🇦 Ukraine | |
| 2 | Kharkiv | 🇺🇦 Ukraine | |
| 3 | Budapest | 🇭🇺 Hungary | |
| 4 | Boston | 🇺🇸 United States | |
| 5 | Warsaw | 🇵🇱 Poland | |
| 6 | Berlin | 🇩🇪 Germany | |
| 7 | Washington | 🇺🇸 United States | |
| 8 | Vienna | 🇦🇹 Austria | |
| 9 | Philadelphia | 🇺🇸 United States | |
| 10 | Paris | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a Locust Digitate Leafminer Moth sighting in Shenandoah National Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 447th most-seen of the 723 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
June, August and October
In those months about 10% of wildlife watchers report a Locust Digitate Leafminer Moth in Shenandoah National Park on a given day, against under 5% in July, September and November–May, the lowest months.
Between 3 and 6 pm
Across all the parks we cover, that three-hour window holds the most Locust Digitate Leafminer Moth sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 parks where we can rate Locust Digitate Leafminer Moth sightings, Shenandoah National Park ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Great Smoky Mountains National Park (United States, about 10%) and Bavarian Forest National Park (Germany, about 10%).
Same family: Gracillariidae
The closest relatives of the Locust Digitate Leafminer Moth that you can see in Shenandoah National Park (family Gracillariidae, Leaf Blotch Miner Moths) are Phyllocnistis insignis (about 10%) and Tulip Tree Leaf Miner (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Locust Digitate Leafminer Moth is recorded against all the insects logged in Shenandoah National Park (8 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.
