Insect Leaf Damage Decision Key
Select the best description of the leaf damage.
- Holes in leaves . . . go to Key A
- Mines in leaves . . . go to Key B
- Leaves silvered or bronzed . . . go to Tomato russet mite
- Black "sooty mold" on leaves . . . go to Aphids / Whiteflies
- Silverish, irregular spots on leaves . . . go to Garden fleahopper
Key A
Continue selecting the best description of the leaf damage.
- Leaves "windowpaned" i.e. lower surface scraped off leaving only upper surface . . . go to Armyworms; beet, southern and yellowstriped
- Tiny "shot" holes . . . go to Flea beetles
- Small, ragged holes of more or less uniform size over entire leaf surface . . . go to Cucumber beetle, banded and Cucumber beetle, striped
- Large, irregular holes . . . go to Armyworms; beet, southern and yellowstriped
Key B
Continue selecting the best description of the leaf damage.
- Long, winding "serpentine" mines narrow on one end and gradually widening, frass deposited in trails along mines . . . go to Leafminers
- Broad, irregular "blotch" mines, frass deposited at one end of mine . . . go to Tomato pinworm
