| 21. | In this blotch, the frass is concentrated in the centre.
|
| 22. | The mine consists of blotches, mainly on the lower leaves.
|
| 23. | It consists of a compact gallery which resembles an elongated blotch.
|
| 24. | The mine consists of a nearly full-depth greenish blotch.
|
| 25. | The blotch is nearly circular, but may have broad lobes.
|
| 26. | The mine consists of a large, upper-surface blotch.
|
| 27. | The mine has the form of a linear-blotch mine.
|
| 28. | They create a blotch mine on the underside of the leaf.
|
| 29. | They create a relatively small, lower side, tentiform blotch.
|
| 30. | In the end, it becomes a full depth transparent blotch.
|
