- They are various colors, typically black, brown, white or yellow.
- They are minute insects less than 1/10-inch long.
- They have piercing and sucking mouthparts.
- Adults have narrow wings completely fringed with small hairs.
Biology and Habits:
- They may overwinter in the soil as pre-emerged adults.
- Some species are killed off in the winter and subsequent populations immigrate in from southern climates.
- Adults and nymphs feed on plant juices and/or pollen.
- There are several generations per year.
- Deciduous plants, trees, shrubs, and perennials.
- Leaf feeders cause stippling (spotting) of the upper leaf surface.
- Blossom feeders cause white or brown spots and streaks to form on the flower.
- Thrips rarely cause significant plant damage.