The formation of the cuticular ridges in the larval pharynx of the blowfly (Calliphora vicina R.-D.).
D000818:Animals; D004175:Diptera / Q000166:cytology* / Q000254:growth & development; D006651:Histocytochemistry; D008675:Metamorphosis, Biological; D008854:Microscopy, Electron; D010614:Pharynx / Q000166:cytology