| 1. | There is also an intermediary organ and a tympanal organ.
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| 2. | Their tympanal organs are partly imbedded in the thorax.
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| 3. | In the Noctuoidea, the metathorax is modified with a pair of tympanal organs.
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| 4. | Adults have tympanal organs at the forewings'base, enabling them to hear well.
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| 5. | In the order Coleoptera, tympanal organs have been described in at least two families.
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| 6. | Some insects possess a tympanal organ.
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| 7. | They have distinctive paired tympanal organs at the base of the abdomen ( lacking in flightless females ).
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| 8. | In these groups, the sound-detecting tympanal organs are located on the tibiae of the front legs.
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| 9. | The tarsus has three segments and the tibia of the front leg bears the sound-detecting tympanal organs.
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| 10. | All characters supporting the Cathariinae are reductions : the chaetosemata, male gnathos, and female tympanal organs are reduced.
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