| 1. | The costa has a subcostal break and the subcosta is incomplete.
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| 2. | The costa is unbroken and the subcosta is apparent on the insect.
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| 3. | The subcosta is incomplete fusing with Radial vein 1 before the apex.
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| 4. | The subcosta always fuses with the costa through Sc1.
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| 5. | Costa with two interruptions one more distal to the humeral crossvein and one before subcosta.
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| 6. | There is a hyaline oblique postdiscal band reaching from the subcosta almost to the termen.
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| 7. | There are also two faint white blotches from each set of cell markings to the subcosta.
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| 8. | In Diptera are the wing-veins are costa, subcosta, radial, medial and cubital.
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| 9. | The subbasal line is represented by blackish hues at the base of the subcosta, cell and vein 1.
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| 10. | In Chalcidoidea ( Chalcid wasps ), for instance, only the subcosta and part of the radius are present.
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