Neacoryphus bicrucis
In 3 days ~30% in a week ~50%
The whitecrossed seed bug (Neacoryphus bicrucis) or ragwort seed bug is a species of insect in the family Lygaeidae ("seed bugs"), in the order Hemiptera ("true bugs, cicadas, hoppers, aphids and allies"). Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Sequoia and Kings Canyon National Parks | 🇺🇸 United States | |
| 3 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 4 | Yosemite National Park | 🇺🇸 United States | |
| 5 | Olympic National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Portland | 🇺🇸 United States | |
| 2 | Seattle | 🇺🇸 United States | |
| 3 | Washington | 🇺🇸 United States | |
| 4 | Baltimore | 🇺🇸 United States | |
| 5 | San José | 🇨🇷 Costa Rica | |
| 6 | Dallas | 🇺🇸 United States | |
| 7 | Philadelphia | 🇺🇸 United States | |
| 8 | Mexico City | 🇲🇽 México | |
| 9 | New York City | 🇺🇸 United States | |
| 10 | Vancouver | 🇨🇦 Canada |
With luck
About 10% of wildlife watchers report a White-Crossed Seed Bug sighting in Shenandoah National Park on a given day, based on 25 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 144th most-seen of the 723 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.
May to August
In those months about 10% of wildlife watchers report a White-Crossed Seed Bug in Shenandoah National Park on a given day, against under 5% in September to April, the lowest months.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most White-Crossed Seed Bug sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 5 parks where we can rate White-Crossed Seed Bug sightings, Shenandoah National Park has the highest daily chance: about 10%. Next come Sequoia and Kings Canyon National Parks (United States, about 10%) and Great Smoky Mountains National Park (United States, about 10%).
Same family: Lygaeidae
The closest relatives of the White-Crossed Seed Bug that you can see in Shenandoah National Park (family Lygaeidae, Seed Bugs) are Large Milkweed Bug (about 20%), False Milkweed Bug (about 10%) and Small Milkweed Bug (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the White-Crossed Seed Bug is recorded against all the insects logged in Shenandoah National Park (25 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.
.jpg/330px-Oak_Treehopper_-_Flickr_-_treegrow_(4).jpg)
