Phytoliriomyza melampyga
In 3 days ~20% in a week ~30%
Phytoliriomyza melampyga is a species of fly in the family Agromyzidae. Mesonotum with yellow bands. Scutellum yellow. Frons yellow. The larva mines Himalayan balsam (Impatiens glandulifera). Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 2 | Shenandoah National Park | 🇺🇸 United States | |
| 3 | Bavarian Forest National Park | 🇩🇪 Germany |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Liverpool | 🇬🇧 United Kingdom | |
| 2 | Boston | 🇺🇸 United States | |
| 3 | Helsinki | 🇫🇮 Finland | |
| 4 | Manchester | 🇬🇧 United Kingdom | |
| 5 | Berlin | 🇩🇪 Germany | |
| 6 | Kyiv | 🇺🇦 Ukraine | |
| 7 | Philadelphia | 🇺🇸 United States | |
| 8 | Vancouver | 🇨🇦 Canada | |
| 9 | Portland | 🇺🇸 United States | |
| 10 | New York City | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Jewelweed Leaf-Miner Fly sighting in Great Smoky Mountains National Park on a given day, based on 14 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 334th most-seen of the 822 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
May–July and September–October
In those months about 10% of wildlife watchers report a Jewelweed Leaf-Miner Fly in Great Smoky Mountains National Park on a given day, against under 5% in August and November–April, the lowest months.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Jewelweed Leaf-Miner Fly sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 3 parks where we can rate Jewelweed Leaf-Miner Fly sightings, Great Smoky Mountains National Park has the highest daily chance: about 10%. Next come Shenandoah National Park (United States, under 5%) and Bavarian Forest National Park (Germany, under 5%).
GBIF citizen-science records
It is estimated from how often the Jewelweed Leaf-Miner Fly is recorded against all the insects logged in Great Smoky Mountains National Park (14 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.
