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中至大型蛾类。体粗壮状多毛,灰褐色或黄褐色,复眼上多有毛,触角为双栉状,单眼和喙退化,后翅无翅缰,肩叶发达,有1至多根肩横脉(h),有的种类后翅外缘呈波状,休止时露于前翅两侧,形似枯叶,由此得名。翅脉M2近M3,前翅R脉5支,R2-R4多共柄,无副室,无1A,Sc+R1与R5在中室基部并接或以横脉相连,A脉2支。成虫雌雄常异型,翅脉和雄性外生殖器结构是鉴定其种类的重要依据。
Medium to large moths. Rough body hairy, brown or brown, complex hairy eyes, double-headed antennae, monocular and beaked degeneration, wing finless reins, developed shoulder, with 1 to many transverse (h), with The hind wing outer edge was wavy, resting on both sides of the forewing, the shape of dead leaves, hence the name. Wing vein M2 nearly M3, front wing R vein 5, R2-R4 more co-handle, no sub-room, no 1A, Sc + R1 and R5 in the middle of the room and then connected to the cross or transverse veins, A vein 2. Adult male and female atypia, veins and male genitalia structure is an important basis for the identification of its species.