Fig. 1From: First 3-D reconstruction of copulation in Lepidoptera: interaction of genitalia in Tortrix viridana (Tortricidae)Cuticular skeleton of the genitalia (KOH maceration and staining (female only) with chlorazol black E), the darker the colour, the stronger the sclerotisation. a Male lateral (left) view with valvae flexed. b Male posterior ("open") view with valvae extended. c Female ventral view. s1–s8 planes of histological sections shown in Fig. 2Back to article page