Archips argyrospila
In 3 days ~20% in a week ~40%
Archips argyrospila, the fruit-tree leafroller moth, is a moth of the family Tortricidae. It is found in most of the United States and southern Canada. The length of the forewings is 6–10.2 mm for males and 8.5–11.7 mm for females. Adults are on wing from mid May to July in one generation per year.
The larvae feed on a wide range of plants and are considered a pest on apples and pears. Recorded host plants include: Medicago, Malus, Prunus, Taxodium distichum, Phaseolus, Vaccinium, Betula, Acer negundo, Aesculus, Ceanothus, Cercocarpus, Citrus, Quercus, Eriodictyon, Vitis, Crataegus, Carya, Gleditsia triacanthos, Humulus, Syringa, Avena, Allium, Maclura pomifera, Pyrus, Rheum, Sassafras and Juglans species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States | |
| 2 | Dallas | 🇺🇸 United States | |
| 3 | Sacramento | 🇺🇸 United States | |
| 4 | Houston | 🇺🇸 United States | |
| 5 | Edmonton | 🇨🇦 Canada | |
| 6 | Denver | 🇺🇸 United States | |
| 7 | San Antonio | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Fruit-Tree Leafroller Moth sighting in Dallas on a given day, based on 136 verified sightings from GBIF citizen-science data. It is the 186th most-seen of the 1412 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
April
In that month about 20% of wildlife watchers report a Fruit-Tree Leafroller Moth in Dallas on a given day, against under 5% in June to March, the lowest months.
Among the best
Of the 7 cities where we can rate Fruit-Tree Leafroller Moth sightings, Dallas ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Austin (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Fruit-Tree Leafroller Moth is recorded against all the insects logged in Dallas (136 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.
