Sympetrum madidum
In 3 days ~10% in a week ~20%
Sympetrum madidum, the red-veined meadowhawk, is a species of dragonfly in the family Libellulidae. The red-veined meadowhawk is a medium-sized dragonfly, but it is large for its genus, Sympetrum. It has a length of 1 5/8 to 1 13/16 inches (40 to 45 mm). The abdomen of the red-veined meadowhawk is quite slender. The red-veined meadowhawk is distinguished from other Sympetrum species by the gold to red clouding of its wings and red wing veins. The male has red on the face and abdomen, while the thorax is dark and marked with two yellow spots on every side. The female is yellowish-brown. Every side of the thorax is marked with a pair of yellowish white stripes, and the top of the abdomen is marked with horizontal and vertical lines, giving it a "plaid" appearance.
The naiad of the red-veined meadowhawk is small in size with a length of 5/8 inch (16 mm). The color of the naiad is mottled green and brown. Its abdomen has several slender, slightly curved hooks along the top, and the last two abdominal segments have a single, rear-facing spine on every side. Red-veined meadowhawk naiads and striped meadowhawk naiads are extremely difficult to... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Portland | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Red-Veined Meadowhawk sighting in Portland on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 427th most-seen of the 507 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 Red-Veined Meadowhawk in Portland on a given day, so our monthly data shows no clear season.
Only Portland, in our data
Portland is the only city on Wallace's Line with enough records to rate Red-Veined Meadowhawk sightings: under 5% of wildlife watchers there report one on a given day.
Same genus: Sympetrum
The closest relatives of the Red-Veined Meadowhawk that you can see in Portland (genus Sympetrum, Meadowhawks) are Cardinal Meadowhawk (about 10%) and Variegated Meadowhawk (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Red-Veined Meadowhawk is recorded against all the insects logged in Portland (8 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.
