part of spiracular apodeme Chitinblad Chitinzapfen Fig 60,61,62,63,64 Abbr: SAd Applied to non Anopheles mosquitoes. in ISBN:0-937548-00-6. Hebel Hohlzapfen In culicine and toxorhynchitine larvae, the usually hollow funnel-shaped ingrowth of the dorsal surface of the spiracular apparatus located between but largely posterior to the postabdominal spiracles; receiving the muscles responsible for folding up the spiracular apparatus nad hence closing the spiracles; partly homologous with the median plate of anopheline larvae. Sipho-hebel TGMA:0000612 TGMA:0000612 apodeme axial rod chitin rod chitin staff chitinous blade chitinous funnel chitinous peg chitinous rod default_namespace entonnoir chitineux hollow horn hollow peg hollow tooth horny tendon lever median peg siphonal lever spur staff of chitin stirrup stirrup-shaped piece spiracular apparatus