"The Tortricidae are a family of moths, commonly known as tortrix moths or leafroller moths, in the order Lepidoptera. This large family has over 10,350 species ...
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described, and is the sole member of the superfamily Tortricoidea, although the genus Heliocosma is sometimes placed within this superfamily. Many of these are economically important pests. Olethreutidae is a junior synonym. The typical resting posture is with the wings folded back, producing a rather rounded profile.
Notable tortricids include the codling moth and the spruce budworm, which are among the most well-studied of all insects because of their economic impact." - (en.wikipedia.org 09.01.2021)