Asphondylia atriplicis
In 3 days ~10% in a week ~30%
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Joshua Tree National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Diego | 🇺🇸 United States | |
| 2 | Los Angeles | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Tumor Stem Gall Midge sighting in Joshua Tree National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 131st most-seen of the 190 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
April–May, September and December
In those months about 10% of wildlife watchers report a Tumor Stem Gall Midge in Joshua Tree National Park on a given day, against under 5% in January–March, June–August and October–November, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Tumor Stem Gall Midge sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Only Joshua Tree National Park, in our data
Joshua Tree National Park is the only park on Wallace's Line with enough records to rate Tumor Stem Gall Midge sightings: about 10% of wildlife watchers there report one on a given day.
Same genus: Asphondylia
The closest relatives of the Tumor Stem Gall Midge that you can see in Joshua Tree National Park (genus Asphondylia) are Large Creosote Gall Midge (about 40%), Creosote Cone Gall Midge (about 10%) and Saltbush Woolly Stem Gall Midge (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Tumor Stem Gall Midge is recorded against all the insects logged in Joshua Tree National Park (10 verified sightings from 2019 to 2026), 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.
