Lasius japonicus
In 3 days ~30% in a week ~50%
Lasius japonicus is a species of ant belonging to the genus Lasius, that are commonly found throughout East Asia. The species has been observed spraying formic acid both defensively and offensively. It is also known to tend to aphids in exchange for their honeydew secretions, and have been found to be far more attentive to their aphids then other similar ant species. In appearance they are mostly black in color with a tinge of white on their gaster. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Lasius japonicus sighting in Sendai on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 90th most-seen of the 128 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
June and August
In those months about 20% of wildlife watchers report a Lasius japonicus in Sendai on a given day, against under 5% in September to May, the lowest months.
Among the best
Of the 5 cities where we can rate Lasius japonicus sightings, Sendai ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Sapporo (Japan, about 10%).
Same family: Formicidae
The closest relatives of the Lasius japonicus that you can see in Sendai (family Formicidae, Ants) are Japanese Wood Ant (about 20%), Camponotus obscuripes (about 20%) and Japanese Pavement Ant (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Lasius japonicus is recorded against all the insects logged in Sendai (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.
