Natural Function. Ladybugs are predator insects. These bugs feed on various other insects found on or near tomato plants, including aphids, spider mites and ants. ... These insects literally suck the sap from the plant, causing malnutrition and a weakened state.

Are ladybugs harmful to tomato plants?

Ladybugs, also called lady beetles or ladybirds, dine heartily on pests in flowerbeds and vegetable gardens yet never damage the plants, and the larvae are hungrier than the adults. ... In the vegetable garden, good lures include cucumbers, peppers, eggplants, and tomatoes. Buying ladybugs.

Are ladybugs bad for vegetable gardens?

Ladybugs, also known as lady beetles or ladybird beetles, are considered beneficial insects in the garden because they are predators for many known garden insect pests.