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 Baltimore on a given day, based on 34 verified sightings from GBIF citizen-science data. It is the 161st most-seen of the 705 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.
April–July and October–November
In those months about 10% of wildlife watchers report a Bent-Lined Carpet in Baltimore on a given day, against under 5% in August–September and December–March, 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 19 cities where we can rate Bent-Lined Carpet sightings, Baltimore ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Austin (United States, about 10%) and Dallas (United States, about 10%).
Same family: Geometridae
The closest relatives of the Bent-Lined Carpet that you can see in Baltimore (family Geometridae, Geometer Moths) are Common Tan Wave (about 10%), Large Lace-Border Moth (about 10%) and Large Maple Spanworm 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 Baltimore (34 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.
