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Plants that are badly infested with spider mites may also look dry or dusty, even when well-watered.

Cutworm caterpillars come in different colors and they usually target pepper seedlings and new transplants with tender stems.

Aphids and aphid damage on pepper.

Matt Magnusson / Flickr / CC BY 2.0

Companion Planting, Cornell University

Closeup of green aphids

Jasius / Getty Images

spider mites

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Cutworm or moth caterillar on leaf.

Dinesh Valke / Flick / CC BY-SA 2.0

Thrips and thrip damage on leaf.

Maxamillian Paradiz / Flickr / CC BY 2.0

Weevil pest on plant leaf.

dasWebweib / Flickr / CC BY-SA 2.0

Whitefly pest on leaf.

gbohne / Flickr / CC BY-SA 2.0

Pepper maggot fly

Judy Gallagher / Flickr / CC BY 2.0

Prodenia moth or cotton leafworm

Bernard Dupont / Flickr / CC BY-SA 2.0

Cabbage flea beetle (Phyllotreta cruciferae)

Stefan Sutka / Getty Images

Garden snail on the move

Andy Powell / Flickr / CC BY 2.0