| 31. | It broadens into a blotch along the margin of the leaves.
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| 32. | The mine usually has the form of a linear-blotch.
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| 33. | The underside varies from plain white to grayish with faint blotches.
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| 34. | Feeding results in a blotch mine which is made in June.
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| 35. | They make a small full depth blotch, often with extensions.
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| 36. | The mine has the form of an irregular corridor or blotch.
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| 37. | In the blotch, the frass is either dispersed or clumped.
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| 38. | Young larvae create several small irregular, full depth blotch mines.
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| 39. | The mine has the form of a large, inflated blotch.
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| 40. | There are mostly several of these blotches in a single leaf.
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