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. Author manuscript; available in PMC: 2020 Dec 22.
Published in final edited form as: Curr Pharm Des. 2020;26(29):3530–3545. doi: 10.2174/1381612826666200523175409

Fig. (3). Ultrastructure of elytral dorsal cuticle of the pharate adult of T. castaneum.

Fig. (3).

Ultrastructure of rigid elytral dorsal cuticle from pharate adults (5-day-old pupae) was analyzed by TEM. EN, envelope; EP, epicuticle; PRO, procuticle; PCF, pore canal fiber; APMP, apical plasma membrane protrusion. Scale bar = 1 μm.