| 31. | Front and hind wings have almost the same colour.
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| 32. | The fore wing is brown and the hind wing is off-white.
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| 33. | Hind wings fawn-colour; fringe pale cinereous.
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| 34. | Hind wings with a black cell-spot and postmedial series of specks.
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| 35. | The outer area suffused with grey or sometimes mostly white on hind wing.
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| 36. | Females emit pheromones to attract males, from organs on their hind wings.
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| 37. | These lines are less conspicuous on the hind wings.
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| 38. | The hind wings are grey or pale reddish fuscous.
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| 39. | Hind wing with sub-marginal and marginal bands.
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| 40. | The insect's hind wing is brownish gray, which creates a camouflage.
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