Amorbia humerosana
In 3 days ~10%
Amorbia humerosana, the white-lined leafroller, is a species of moth of the family Tortricidae. It is found from the Gulf states to the northeastern United States and southeastern Canada. The length of the forewings is 11–13 mm for males and 12–13.5 mm for females. Adults are on wing from March to September.
The larvae feed on Picea glauca, Picea rubens, Pinus species (including Pinus banksiana), Abies balsamea, Larix laricina, Viburnum species, Rhus radicans, Rhus aromatica, Aralia species, Solidago species, Alnus species, Betula species, Castanea dentata, Lindera species, Asparagus officinalis, Gaylussacia species, Malus domestica and Salix species. They roll the leaves of their host plants. Full-grown larvae reach a length of about 25 mm. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Toronto | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report a White-Lined Leafroller Moth sighting in Toronto on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 1544th most-seen of the 1689 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a White-Lined Leafroller Moth in Toronto on a given day, so our monthly data shows no clear season.
Only Toronto, in our data
Toronto is the only city on Wallace's Line with enough records to rate White-Lined Leafroller Moth sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the White-Lined Leafroller Moth is recorded against all the insects logged in Toronto (5 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.
