Dasineura investita
In 3 days ~10% in a week ~20%
Dasineura investita, the wood nettle gall midge, forms a gall that grows on the wood nettle plant Laportea canadensis. It was described in 2016 and is caused by a midge in the family Cecidomyiidae. The galls form on the petiole, upper leaf, leaf midrib, on leaf veins, between leaf veins, flower, stem. They are oval globose 4-5 mm by 8-12 mm pale, red, white, to green translucent. There are two generations a year, the full grown larva from the autumn generation overwinters in the central chamber of the gall. The genus Dasineura is a vary large one with many gall forming species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 2 | Philadelphia | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Wood Nettle Gall Midge sighting in Minneapolis [Saint Paul] on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 458th most-seen of the 672 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.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Wood Nettle Gall Midge in Minneapolis [Saint Paul] on a given day, so our monthly data shows no clear season.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Wood Nettle Gall Midge sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 2 cities where we can rate Wood Nettle Gall Midge sightings, Minneapolis [Saint Paul] has the highest daily chance: under 5%. Next come Philadelphia (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Wood Nettle Gall Midge is recorded against all the insects logged in Minneapolis [Saint Paul] (9 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.
