| 1. | Distally, the vannal veins are either simple or branched.
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| 2. | Distally the vannal veins are either simple or branched.
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| 3. | In the cicada the vannal fold lies immediately behind the first vannal vein ( lV ).
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| 4. | In the cicada, the vannal fold lies immediately behind the first vannal vein ( lV ).
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| 5. | Some of the vannal veins may be branched, and secondary veins may alternate with the primary veins.
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| 6. | The vannus is bordered by the vannal fold, which typically occurs between the postcubitus and the first vannal vein.
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| 7. | In Plecoptera the vannal fold is posterior to the postcubitus, but proximally it crosses the base of the first vannal vein.
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| 8. | In number the vannal veins vary . from 1 to 12, according to the expansion of the vannal area of the wing.
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| 9. | The true jugum of the acridid wing is represented only by the small membrane ( Ju ) mesad of the last vannal vein.
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| 10. | In number, the vannal veins vary from one to 12, according to the expansion of the vannal area of the wing.
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