Fig. 3From: Reduction of a nymphal instar in a dampwood termite: heterochronic shift in the caste differentiation pathwaysProcesses of wing expansion at the imaginal molt in Z. nevadensis (a–c) and H. sjostedti (d–f): PIM (prior to imaginal molt; a, d), EIM (early stage of imaginal molt; b, e), and LIM (late stage of imaginal molt; c, f). Arrowheads indicate the positions of wing tips. All scale bars indicate 500 µmBack to article page