Colopha ulmicola
In 3 days ~10% in a week ~20%
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Washington | 🇺🇸 United States | |
| 2 | Chicago | 🇺🇸 United States | |
| 3 | Toronto | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report an Elm Cockscomb Aphid sighting in Washington on a given day, based on 62 verified sightings from GBIF citizen-science data. It is the 419th most-seen of the 1807 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.
May and June
In those months about 10% of wildlife watchers report an Elm Cockscomb Aphid in Washington on a given day, against under 5% in July to April, the lowest months.
Yes
Of the 3 cities where we can rate Elm Cockscomb Aphid sightings, Washington has the highest daily chance: under 5%. Next come Chicago (United States, under 5%) and Toronto (Canada, under 5%).
Same family: Aphididae
The closest relatives of the Elm Cockscomb Aphid that you can see in Washington (family Aphididae, Aphids) are Oleander Aphid (about 10%), Witch-Hazel Cone Gall Aphid (about 10%) and Beech Blight Aphid (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Elm Cockscomb Aphid is recorded against all the insects logged in Washington (62 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.
