Transverse histological sections of Schinus terebinthifolius leaf (indicated by dashed lines “a” and “b” in Fig. 43), showing the organization of Stigmella schinivora mine during larval ontogeny. (50) First instar, initial linear section of mine (position indicated by letter “a” in Fig. 43); (51) last instar, final section of mine (position indicated by letter “b” in Fig. 43). Asterisks indicate leaf mine. (Ab) Abaxial surface of epidermis, (Ad) adaxial surface of epidermis, (Ep) epidermis, (Pp) palisade parenchyma, (Sp) spongy parenchyma. Scale bars: 0.1 and 0.2 mm, respectively.