Rabdophaga strobiloides
In 3 days ~30% in a week ~50%
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 Calgary on a given day, based on 147 verified sightings from GBIF citizen-science data. It is the 25th most-seen of the 256 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.
April
In that month about 20% of wildlife watchers report a Willow Pinecone Gall Midge in Calgary on a given day, against under 5% in October and December–January, the lowest months.
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.
Yes
Of the 8 cities where we can rate Willow Pinecone Gall Midge sightings, Calgary has the highest daily chance: about 10%. Next come Denver (United States, about 10%) and Sacramento (United States, 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 Calgary (147 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.
