| 41. | The venation pattern is useful for species identification.
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| 42. | Wing venation suggests a close relationship to dipterans.
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| 43. | The wing venation of forewings and hindwings differs.
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| 44. | Leaf venation is more evident under the leaf.
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| 45. | Leaf venation is more evident on the undersurface.
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| 46. | Leaf venation evident on both sides, 5 to 8 pairs of lateral veins.
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| 47. | Leaf venation conspicuous below the leaf, but sunken on the upper leaf surface.
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| 48. | The leaves are identified by the longitudinal venation.
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| 49. | He also cited characteristics of wing venation that distinctly differs from that of lepidopterans.
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| 50. | The hindwings are cream brown with brown venation.
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