Forsythia > Stems/branches > Leaves discolored white, yellow or pale green
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Two-spotted spider mite
- White to yellow stippling on foliage; leaves can appear off-green
- Heavy infestations will cause leaves to turn white, yellow and ultimately grayish bronze
- Premature leaf drop may occur
- Webbing may be present, especially when heavily infested
- Mites usually appear in late June to August; they are more prevalent in hot, dry weather
- Adult spider mites are small(approximately 1/50 inch long) and are hard to see; they are yellow to dark red with dark spots (need magnification to see)
- More information on two-spotted spider mites...
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- Light to moderate infestations show little or no symptoms
- Severe infestations can cause chlorotic, stunted foliage
- Dieback and cracked bark can result from heavy infestations
- Light to dark brown, elongated, 1/10 to 1/8 inch long oyster-shell shaped scales found on bark
- More information on Oystershell scale...