Corythucha arcuata
In 3 days ~10% in a week ~20%
Corythucha arcuata, the oak lace bug, is a species of Tingidae that is a pest of oaks. It is native to the New World, and was first observed in Europe in 2000. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Fertő-Hanság National Park | 🇭🇺 Hungary | |
| 2 | Pyrénées National Park | 🇫🇷 France |
Rare
Under 5% of wildlife watchers report an Oak Lace Bug sighting in Portland on a given day, based on 17 verified sightings from GBIF citizen-science data. It is the 259th most-seen of the 507 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.
July and October
In those months about 10% of wildlife watchers report an Oak Lace Bug in Portland on a given day, against under 5% in August–September and November–June, the lowest months. Those are among Portland's driest months, with about 75 mm of rain a month against 250 mm in December.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Oak Lace Bug sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
10th of 12
Of the 12 cities where we can rate Oak Lace Bug sightings, Portland ranks 10th at under 5%. The best odds are in Sofia (Bulgaria, about 10%), Bucharest (Romania, about 10%) and Vienna (Austria, about 10%).
GBIF citizen-science records
It is estimated from how often the Oak Lace Bug is recorded against all the insects logged in Portland (17 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.
