| 11. | Their larvae are usually tan with yellow blotches over their dermis.
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| 12. | Juveniles have more regular and better-defined blotches than adults.
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| 13. | The eggs are buff or white with brown blotches and streaks.
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| 14. | Chlorothalonil and tebuconazole are effective treatments for reducing web blotch incidence.
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| 15. | The mine widens upwards and forms a blotch at the end.
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| 16. | At the end, the corridor widens into a large blotch.
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| 17. | Then the corridor doubles in width and makes a secondary blotch.
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| 18. | At the end, the corridor widens into an elongate blotch.
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| 19. | The frass is concentrated in the basal part of the blotch.
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| 20. | In the blotch the frass is found in the oldest part.
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