Leucozona laternaria
In 3 days ~10% in a week ~20%
Leucozona laternaria is a European species of hoverfly. For terms see Morphology of Diptera Wing length 7 to 10 mm (0.28 to 0.39 in). Scutellum black. Tergite 2 has large well separated silverish-white to yellowish- white marks (often merged).Tergites 3 and 4 have narrow or absent markings. The male terminalia are figured by Hippa (1968).
See references for determination. Palearctic from Fennoscandia South to the Pyrenees. Ireland East through North and Central Europe into Turkey and European Russia, then Russian Far East and Siberia and the Pacific coast
(Kuril Islands and Japan). Habitat: Deciduous forest and wetland, along forest streams with Salix and Alnus scrub, fen carr. Flowers visited include white umbellifers, Cirsium arvense, Convolvulus, Filipendula ulmaria. The Flight period is June to August. The larvae feed on aphids on ground flora. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Birmingham | 🇬🇧 United Kingdom | |
| 2 | Moscow | 🇷🇺 Russia |
Rare
Under 5% of wildlife watchers report a Dark-Saddled Leucozona sighting in Birmingham on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 668th most-seen of the 811 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
June
In that month about 10% of wildlife watchers report a Dark-Saddled Leucozona in Birmingham on a given day, against under 5% in July to May, the lowest months.
Yes
Of the 2 cities where we can rate Dark-Saddled Leucozona sightings, Birmingham has the highest daily chance: under 5%. Next come Moscow (Russia, under 5%).
GBIF citizen-science records
It is estimated from how often the Dark-Saddled Leucozona is recorded against all the insects logged in Birmingham (6 verified sightings), 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.
