title: The subgenus Persicargas (Ixodoidea: Argasidae: Argas). 34. Larval respiratory system structure and spiracle formation in pharate nymphal Argas (P.) arboreus.
mesh_terms: D000818:Animals; D009758:Nymph / Q000648:ultrastructure; D012137:Respiratory System / Q000648:ultrastructure; D013987:Ticks / Q000648:ultrastructure*