| 31. | The front eight segments have spiracles and the terminal segment is modified for reproduction.
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| 32. | The main difference is that the Notostigmomorpha have their spiracles located mid-dorsally.
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| 33. | The trachea open through spiracles into this air film, allowing access to oxygen.
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| 34. | Spiracles are located on the abdomen and are the tracheal system of the beetle.
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| 35. | The abdomen has ten segments, each with a pair of spiracles for respiration.
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| 36. | They have been observed producing hisses and whistles from air forced through the spiracles.
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| 37. | The eyes lack nictitating membranes; the tiny spiracles are located well behind them.
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| 38. | The anterior spiracle and anterior angle of antennal bases is prominent ( most ).
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| 39. | The spiracles are oval, shiny and white.
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| 40. | Its spiracle is just above the area where the pectoral fin meets the body.
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