Rabdophaga strobiloides
In 3 days ~20% in a week ~40%
Rabdophaga strobiloides, the willow pinecone gall midge, is a species of gall midge in the family Cecidomyiidae. The gall resembles a pinecone in shape. It can be found throughout North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Riding Mountain National Park | 🇨🇦 Canada | |
| 2 | Rocky Mountain National Park | 🇺🇸 United States | |
| 3 | Point Pelee National Park | 🇨🇦 Canada |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Calgary | 🇨🇦 Canada | |
| 2 | Denver | 🇺🇸 United States | |
| 3 | Sacramento | 🇺🇸 United States | |
| 4 | Toronto | 🇨🇦 Canada | |
| 5 | Edmonton | 🇨🇦 Canada | |
| 6 | Salt Lake City | 🇺🇸 United States | |
| 7 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 8 | Montreal | 🇨🇦 Canada |
With luck
About 10% of wildlife watchers report a Willow Pinecone Gall Midge sighting in Denver on a given day, based on 67 verified sightings from GBIF citizen-science data. It is the 96th most-seen of the 461 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.
July to May
In those months about 10% of wildlife watchers report a Willow Pinecone Gall Midge in Denver on a given day, against under 5% in June, the lowest month.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Willow Pinecone Gall Midge sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 8 cities where we can rate Willow Pinecone Gall Midge sightings, Denver ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Calgary (Canada, about 10%).
GBIF citizen-science records
It is estimated from how often the Willow Pinecone Gall Midge is recorded against all the insects logged in Denver (67 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.
