1. Another common cause of blotching is the pesky stink bug. 2. It has a deeper or a darker shade, mottling or blotching . 3. The color pattern is usually tan with brown blotching , which varies greatly. 4. The fins are generally yellow in colour, with varied dusting and blotching . 5. Fortunately, the blotching was not severe and the area involved is not readily noticeable. 6. Most reports were for reactions such as itchiness, blotching , or increased hair loss. 7. These may coalesce and cause widespread blotching . 8. They are usually yellow, with brown, white, black or sometimes reddish blotching . 9. The other variant has a much lighter, ash gray color, with darker gray blotching . 10. They can also be varying shades of yellow or brown, sometimes with white or brown blotching .