Fig. 6.

Morphology of femoral exoskeletal cuticle–ETC–muscle junctions after RNAi. (A–D) Ultrathin sections of femurs from day 5 pupae treated with dsTcVer, dsTcCda1, dsTcCda2a, or dsTcCda2b were prepared to analyze the ultrastructure of the exoskeletal cuticle–ETC–muscle junctions. Larger magnifications of the exoskeletal cuticle–ETC junction (E–H) and the MTJ between ETC and muscle fiber (I–L). Red arrowheads in B and C indicate partial muscle detachment from the ETCs. Yellow arrows in E and H indicate intracuticular fibers.