Costaconvexa centrostrigaria
In 3 days ~20% in a week ~40%
Costaconvexa centrostrigaria, the traveller or bent-line carpet, is a moth in the family Geometridae. It is native to most of North America, except the Arctic. It is an introduced species in Great Britain, the Canary Islands, the Azores and Madeira.
The wingspan is 17–23 mm. Adults are on wing from May to October in Ontario, March to November in north-eastern North America and year-round in Texas and the west. There are two or more generations per year. The larvae feed on Polygonum species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Acadia National Park | 🇺🇸 United States | |
| 3 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States | |
| 2 | Dallas | 🇺🇸 United States | |
| 3 | Baltimore | 🇺🇸 United States | |
| 4 | Sacramento | 🇺🇸 United States | |
| 5 | Chicago | 🇺🇸 United States | |
| 6 | Portland | 🇺🇸 United States | |
| 7 | Washington | 🇺🇸 United States | |
| 8 | Philadelphia | 🇺🇸 United States | |
| 9 | Toronto | 🇨🇦 Canada | |
| 10 | Houston | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Bent-Lined Carpet sighting in Acadia National Park on a given day, based on 17 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 164th most-seen of the 405 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
June–August and October
In those months about 10% of wildlife watchers report a Bent-Lined Carpet in Acadia National Park on a given day, against under 5% in September and November–May, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Bent-Lined Carpet sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
Among the best
Of the 3 parks where we can rate Bent-Lined Carpet sightings, Acadia National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Shenandoah National Park (United States, about 10%).
Same family: Geometridae
The closest relatives of the Bent-Lined Carpet that you can see in Acadia National Park (family Geometridae, Geometer Moths) are Sweetfern Geometer Moth (about 10%), Pale Beauty (about 10%) and Gray Spruce Looper Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Bent-Lined Carpet is recorded against all the insects logged in Acadia National Park (17 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.
