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,[1] the Canary Islands, the Azores and Madeira.[2]
The wingspan is 17–23 mm.[3] 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.