...In allfour stages, spiracle persistent, and pigmentation resembling that of earlystages... 
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Atrium: a chamber just within the spiracle and beforethe occluding structure to the trachea...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Breathing pores: see spiracle...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Spiracular sulcus: on the metanotum of Hymenoptera, isa grooved linear channel extending from spiracle to apicalmargin...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Its colour is green, with yellow spots round each spiracle, which is itself tinged with red...
W. S. Coleman 「British Butterfiles」
...Spiracular disk with the dark markings less extensive; the mark of the laterallobes not contiguous with the spiracle or the triangular area on the disk; dorsalmarking indistinct or lacking...
Horace Gunthorp 「Journal of Entomology and Zoology」
...The inner face of the lateral lobe bears a narrow semi-lunate black markwith the concavity toward the spiracle, the proximal end acutely pointed...
Horace Gunthorp 「Journal of Entomology and Zoology」
...5 to 3 times the diameter of one; the center-piece of the spiracle is black, thering yellow surrounded by an outer dusky margin...
Horace Gunthorp 「Journal of Entomology and Zoology」
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