| 1. | Sternite 8 of the female is without dentate protuberances.
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| 2. | Tergites 10 and 11 are not fully developed and segment 18 does not have a sternite.
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| 3. | The Pyraloidea and almost all Geometroidea have tympana located on the anterior sternite of the abdomen.
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| 4. | The underside of the abdomen is black with small orange lateral and medial patches on each sternite.
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| 5. | In the female the seventh tergite and sternite are fused, and the eighth segment is elongated.
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| 6. | Adult males have lost tergites seven and eight, and the seventh sternite forms a complete ventral band.
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| 7. | The epistome is effectively the sternite of the antennal segment, and lies between the base of the labrum.
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| 8. | Males are generally smaller than females, with longer wings, and a small rear sternite compared to females.
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| 9. | At least in males, the first and second sternite are fused, with no coxae of the fifth pereiopods.
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| 10. | Some cephalotines have differentiated anterolateral extensions on abdominal segment 4, but from the tergite, and not from the sternite.
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