Epinotia tetraquetrana, the square-barred bell, is a moth of the family Tortricidae. It is found from most of Europe east to the Near East and the eastern part of the Palearctic realm.[1]
The wingspan is 12–16 mm. The forewings are fuscous,darker-strigulated, often whitish-mixed. The costa is strigulated with blackish and posteriorly with white.The edge of the basal patch is suffused with ferruginous-brown, partly blackish-marked and obtusely angulated Beyond this there issometimes an obscure whitish subquadrate dorsal spot . The central fascia is darker, often ferruginous-suffused ; costal half beyond this sometimes ferruginous suffused, with some black scales. The ocellus is obscurely edged with leaden-metallic, usually preceded by a small black subdorsal spot. The termen is sinuate . There is a white subapical dash in cilia.The hindwings are grey.The larva is pale yellowish-green ; head and plate of 2 dark or light brown.[2]
Adults are on wing from April to May.[3]
The young larvae bore into the stem of Betula and Alnus species. Later, they feed within a folded leaf.