Major Dll -RNAi phenotypes. The left and right columns show phenotypes of individuals injected with dsRNA of malE and Dll, respectively. (A, B) Lateral view of first instar juvenile. (C, D) Lateral view of second antennae. Asterisks indicate the distal portions of the second antennae. (E, F) Second thoracic limb (T2). Ep, epipodite; En, endopodite; Ex, exopodite; Gn, gnathobase. Scale bars = 200 μm in A, B; 100 μm in C, D and E, F.