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Fig. 10. Neuropeptide immunoreactivity in Inka cells of Bombyx before and
after larval, pupal and adult ecdysis. Strong double staining with antibodies
to small cardioactive peptide B (SCPB) and PBAN (pheromone
biosynthesis activating neuropeptide; dark brown colour) in pharate 5th instar
larvae (A) was depleted 5 min after ecdysis (B; arrow). PG, prothoracic gland.
Strong reaction with the antiserum to FMRFamide in pharate pupae (C; blue
colour) diminished at the onset of ecdysis (D). Intense staining with
antibodies to SCPB and vasopressin (dark brown colour) in pharate
adults (E) decreased considerably 5 min after eclosion (F). Scale bar, 200
µm.