Synophropsis lauri
In 3 days ~10% in a week ~20%
Synophropsis lauri, sometimes called the bay leafhopper, is a species of leafhopper of the subfamily Deltocephalinae, tribe Fieberiellini. It is the only species in the monotypic genus Synophropsis. The hemelytra vary from greyish to brick-red (some sources say the males are grey, females red) and are somewhat translucent with the veins showing up as whitish. The wings darken towards the tips. There are small dark marks along the suture and at the distal ends of some of the long veins. The head is yellowish and the vertex is sharply pointed. Antennae are filamentous and very long. Size: up to 6.5mm long, or even 7mm.
Nymphs are green, and over-winter. The species is normally said to be univoltine, but it is possible that the females hibernate and produce a second generation. The species was first described, as Thamnotettix lauri, by Géza Horváth in 1897 from specimens taken in Fiume (Rijeka) and Buccari (Bakar) on the Adriatic coast of what is now Croatia. Nearly 30 years later, Hermann Haupt independently described a single male taken in Gravosa (Gruž), some 260 miles (420 km) further southeast. Haupt placed it in a new genus as Synophropsis... Wikipedia →
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More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Bay Leafhopper sighting in Vienna on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 1178th most-seen of the 1406 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.
October
In that month about 10% of wildlife watchers report a Bay Leafhopper in Vienna on a given day, against under 5% in November to September, the lowest months.
9th of 9
Of the 9 cities where we can rate Bay Leafhopper sightings, Vienna ranks 9th at under 5%. The best odds are in Madrid (Spain, about 10%), Berlin (Germany, about 10%) and Istanbul (Turkey, about 10%).
Same family: Cicadellidae
The closest relatives of the Bay Leafhopper that you can see in Vienna (family Cicadellidae, Typical Leafhoppers) are Zygina nivea (about 10%), Penthimia nigra (about 10%) and Ribautiana debilis (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Bay Leafhopper is recorded against all the insects logged in Vienna (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.
